MONTHLY BULLETIN FOR SERBIA April 2020 · 2020. 5. 27. · 1 Warm April in Belgrade, Banatski...

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MONTHLY BULLETIN FOR SERBIA April 2020 Belgrade, the 5 th of May 2020 Division for Climate Monitoring and Climate Forecast Department of National Center for Climate Change, Climate Model Development and Disaster Risk Assessment web: http://www.hidmet.gov.rs mail: [email protected] Republic Hydrometeorological Service of Serbia Kneza Viseslava 66 11000 Belgrade Republic of Serbia

Transcript of MONTHLY BULLETIN FOR SERBIA April 2020 · 2020. 5. 27. · 1 Warm April in Belgrade, Banatski...

Page 1: MONTHLY BULLETIN FOR SERBIA April 2020 · 2020. 5. 27. · 1 Warm April in Belgrade, Banatski Karlovac and Crni Vrh, elsewhere, mean April air temperature within the multiannual average

MONTHLY BULLETIN FOR SERBIA

April 2020

Belgrade, the 5th of May 2020

Division for Climate Monitoring and Climate Forecast Department of National Center for Climate Change, Climate Model Development and Disaster

Risk Assessment web: http://www.hidmet.gov.rs

mail: [email protected]

Republic Hydrometeorological Service of Serbia Kneza Viseslava 66

11000 Belgrade Republic of Serbia

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Contents

AIR TEMPERATURE ............................................................................................................... 1

Mean monthly air temperature ........................................................................................... 1

Maximum air temperature .................................................................................................. 3

Minimum air temperature ................................................................................................... 4

PRECIPITATION ...................................................................................................................... 6

CLOUD COVER, BRIGHT AND CLOUDY DAYS ............................................................. 12

SUNSHINE DURATION (INSOLATION) ............................................................................ 14

OVERVIEW OF THE SYNOPTIC SITUATION* ................................................................. 15

APPENDIX .............................................................................................................................. 16

Mean air temperature ....................................................................................................... 16

Maximum air temperature ................................................................................................ 20

Minimum air temperature ................................................................................................. 24

Precipitation ..................................................................................................................... 28

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Warm April in Belgrade, Banatski Karlovac and Crni Vrh,

elsewhere, mean April air temperature within the multiannual

average

6thdriest April for Serbia in the record-keeping period from

1951 to 2020, driest on record for Crni Vrh and Veliko

Gradiste, 2nd driest for Smederevska Palanka and Sremska

Mitrovica

Kikinda observed record low April air temperature

Heat wave lasting for 5 days in Banatski Karlovac

Cold wave in Kikinda, Belgrade, Pozega and Sjenica

AIR TEMPERATURE

Mean monthly air temperature

Mean April air temperature ranged from 9,9ºС in Dimitrovgrad to 14,2ºС in Belgrade, and on

the mountains from 3,0ºС at Kopaonik to 8,3ºС on Zlatibor (Figure 1).

Departure of the mean monthly air temperature from the normal1 for the 1981–2010 base

period ranged from -0,5ºС in Zajecar to 1,5ºС on Crni Vrh, in Belgrade 1,4ºС (Figure 2).

Mean April air temperature, based on the percentile method2 was in the normal category in

most of the country and warm category in Banatski Karlovac, Belgrade and Crni Vrh (Figure

3).

1 Term normal refers to climatological standard normal, that is, the average value of a particular climate

element, calculated for the period from February 1, 1981 to December 31, 2010 2 nth percentile of a variable refers to the value of the observed variable below which there is n percent of data

previously arranged in an ascending order

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Figure 1. Spatial distribution of mean monthly air

temperature (ºC)

Figure 2. Spatial distribution of mean monthly air

temperature anomaly (ºC) for the 1981–2010 base

period

Figure 3. Spatial distribution of the mean monthly air

temperature using percentile method

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Mean daily air temperature in Belgrade, based on the percentile method was in the normal

category most of the month. At the beginning of the first and middle of the second and third

decade, mean daily air temperature was in the categories from extremely cold to cold. Most of

the second decade and in the period at end of the month it was extremely warm (Figure 4).

Daily course of the mean daily air temperature and the accompanying percentiles for the

stations Sombor, Novi Sad, Loznica, Negotin, Kragujevac, Zlatibor, Nis and Vranje are given

in the Appendix.

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Mean daily air temperature in Belgrade

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmean normal Tmean

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Figure 4. Daily course of the mean daily air temperature and accompanying percentiles for Belgrade

Maximum air temperature

Mean maximum air temperature in April ranged from 18,2ºC in Dimitrovgrad to 21,0ºC in

Banatski Karlovac, and Belgrade observed mean maximum air temperature of 20,7ºC. In the

mountainous regions, mean maximum air temperature ranged from 7,6ºC at Kopaonik to

14,4ºC in Sjenica.

Based on the percentile method, mean maximum monthly air temperature was in the

following categories: warm category in most of the country, very warm category in northern

areas, Smederevska Palanka and Veliko Gradiste, and normal category in Vranje and

Dimitrovgrad.

The highest maximum daily air temperature of 29,5ºC was measured in Zajecar on April 19.

On the same day Belgrade observed the highest daily air temperature of 27,5ºC as well.

In April, Serbia saw only one heat wave lasting for 5 days in Banatski Karlovac, in the period

between April 10 and 14.

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Mountain regions observed one ice day3.

Summer days4 were registered in most of the country, except in mountainous areas. Number

of summer days ranged from 2 in Dimitrovgrad to 8 days in Zajecar. Figure 5 shows daily

course of the maximum daily air temperature and the accompanying percentiles for Belgrade

in April 2020. Daily course of the maximum daily air temperature and the accompanying

percentiles for the stations Sombor, Novi Sad, Loznica, Negotin, Kragujevac, Zlatibor, Nis

and Vranje is given in the Appendix.

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Maximum daily air temperature in Belgrade

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmax normal Тmax

аbsolute maximum: 32.4 С (30.04.2013.)

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Figure 5. Daily course of the maximum daily air temperature and accompanying percentiles for Belgrade

Minimum air temperature

Mean minimum air temperature in April ranged from 1,7ºC in Pozega to 7,8ºC in Belgrade. In

the mountain regions, mean minimum air temperature ranged from -1,2ºC at Kopaonik to

3,2ºC at Zlatibor.

Based on the percentile method, mean minimum monthly air temperature was in the following

categories: cold category in most of the country, cold category on Palic, Novi Sad, Valjevo,

Kursumlija, Cuprija, Nis and Vranje, and normal category in the hilly-mountainous regions.

The lowest minimum daily air temperature of -10,6ºC was measured at Kopaonik on April 1.

On the same day, the lowest daily air temperature of -6,3ºC was measured in the lowland, i.e.

in Kikinda thereby breaking the previous record of -5,9ºC set on April 7, 2003. On April 1 as

well, Belgrade observed air temperature of 0,8ºC.

3 Ice day is defined as the day with maximum air temperature below 0°С 4 Summer day refers to a day with maximum air temperature 25°C and above

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Cold waves were recorded in the following period: Kikinda in the period April 1-5, Belgrade

in the period March 31 – April 4, and Pozega and Sjenica in the period April 6-10.

In April, frost days5 were recorded across the entire country apart from Belgrade. Number of

frost days in the lowland ranged from 3 on Palic and Zrenjanin to 11 days in Zajecar. Number

of frost days on the mountains ranged from 8 days up to 16 days at Kopaonik. The recorded

number of frost days was 2 to 7 days above the April average in most of the country.

Kopaonik recorded one day with severe frost.

Figure 6 shows the assessment of the minimum and maximum air temperature for Serbia for

April based on tercile distribution relative to the 1981-2010 base period. It can be noted that

the maximum air temperature was significantly above the upper tercile, whilst the minimum

air temperature was below the lower tercile.

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Mean maximum air temperature (oC)

Serbia - April reference period 1981-2010.

1981-1990

1991-2000

2001-2010

2011-2020

Figure 6. Assessment of minimum and maximum air temperature in April for Serbia with the accompanying

terciles in relation to the 1981-2010 base period

Figure 7 shows daily course of the minimum daily air temperature and the accompanying

percentiles for Belgrade in April 2020, and for the stations Sombor, Novi Sad, Loznica,

Negotin, Kragujevac, Zlatibor, Nis and Vranje are given in the Appendix.

5 Frost day is defined as the day with minimum air temperature lower than 0°С

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Minimum daily air temperature in Belgrade

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmin normal Tmin

аbsolute minimum: -6.1 С (01.04.1931.)

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Figure 7. Daily course of the minimum daily air temperature and accompanying percentiles for Belgrade

PRECIPITATION

In April, recorded precipitation sums ranged from 2,5 mm in Veliko Gradiste to 69,2 mm in

Kursumlija, whilst Belgrade observed 8,9 mm of precipitation (Figure 8).

Precipitation totals relative to the 1981-2010 base period ranged from 4 % in Veliko Gradiste

to 125% in Kuršumlija (Figure 9).

Based on the percentile method, precipitation sums were in the following categories: very dry

in most of the country, extremely dry in parts of northern and eastern Serbia, dry in Kraljevo

and Zlatibor, rainy in Kursumlija, and normal category in Kikinda, Krusevac, Leskovac,

Dimitrovgrad, Vranje and Sjenica (Figure 10).

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Figure 8. Spatial distribution of the monthly

precipitation sums (mm) according to data from 28

major meteorological, 26 climatological and 110 rain

gauge stations

Figure 9. Spatial distribution of the monthly

precipitation sums in the percentages of normal for the

1981–2010 base period.

Figure 10. Monthly precipitation sums according to the

percentile method

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April 2020 ranks as the driest on record for Veliko Gradiste with the precipitation sum of 2,5

mm thereby breaking the previous record of 6,0 mm of precipitation set in April 2007 (Figure

11). Similarly, Crni Vrh observed record dry April with the precipitation sum of 17,4 mm

thereby besting the previous record of 18 mm of precipitation set in April 2007 (Figure 12).

April 2020 ranks as the 2nd driest April on record for Smederevska Palanka, Sremska

Mitrovica and Banatski Karlovac, and 3rd driest for Palic and Belgrade.

April 2020 ranks as the 6th driest on record for Serbia in the period from 1951 to 2020 (Figure

13).

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April precipitation sums

Veliko Gradiste - 1926-2020 period

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2010-2019

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1930-1949

1926-1929

Figure 11. The lowest precipitation in Veliko Gradiste for the period 1926-2020

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April precipitation sums

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2020-2029

2010-2019

2000-2009

1990-1999

1970-1989

1967-1969

Figure 12. The highest precipitation in Crni Vrh for the period 1967-2020

2020

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2007 2009 1952 1968 2011 2020 1971 1969 1983 1993 1956 2013 2003 2018 2000 1975 1953 2015 1959 1998

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Rank of the wettest and driest April in Serbia for the 1951-2020 period

relative to the 1981-2010 base period

wettest April driest April

Figure 13. Rank of the wettest and driest April for Serbia for the 1951-2020 base period

The highest daily precipitation sum of 23,2 mm was registered in Kursumlija on April 22. On

April 15, Belgrade observed the highest daily precipitation sum of 6,2 mm.

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Number of days with precipitation in April ranged from 2 to 8 days, on the mountains up to

11 days (Figure 14). The observed number of days with precipitation was 5 to 10 days below

the average in most of Serbia (Figure 15).

One day with precipitation sums of 20 mm and above was recorded in Kuršumlija.

Figure 14. Spatial distribution of number of days with

precipitation

Figure 15. Spatial distribution of deviation of number

of days with precipitation

Snow cover was recorded at the beginning of April in parts of central, eastern, southern and

southwestern Serbia. The highest snow depth of 62 cm was measured at Kopaonik on April 1.

In the low-lying areas, the highest snow depth of 21 cm was measured in Dimitrovgrad on

April 2.

In the low-lying areas, there were 3 days with snow cover in Dimitrovgrad and Kursumlija,

elsewhere 1 to 2 days were observed. The exception to that were northern and western parts of

the country as well as parts of central Serbia where snow wasn’t registered at all. In the hilly-

mountainous regions, the highest number of days with snow cover, total of 19 days, was

registered at Kopaonik.

Figure 16 shows assessment of the air temperature and precipitation sums for Serbia for April

based on the tercile distribution relative to the 1981-2010 base period. It can be noted that

April 2020 was marked by air temperature within the domain of multiannual average and

precipitation sums significantly above the multiannual average.

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Temperature (oC)

Serbia - April reference period 1981-2010.

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1991-2000

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Figure 16. Assessment of air temperature and precipitation in April for Serbia with the accompanying terciles in

relation to the 1981-2010 base period

Figure 17 show daily and cumulative precipitations sums with averaged normal 1981-2010

for April in Belgrade, and for the stations Sombor, Novi Sad, Loznica, Negotin, Kragujevac,

Zlatibor, Nis and Vranje precipitation sums are given in Appendix.

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daily precipitation (mm) cumulative precipitation for 1981-2010. (mm) base period cumulative precipitation (%)

monthly absolute maximum: 157.9 mm (2001.)

daily absolute maximum: 75.6 mm (22.04.1892.)

cu

mu

lati

ve p

recip

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(%

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Figure 17. Daily and cumulative precipitation in Belgrade

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CLOUD COVER, BRIGHT AND CLOUDY DAYS

Mean April cloud cover in Serbia was below the average, ranging from 3/10 to 5/10. Figures

18, 19 and 20 show an average daily cloud cover in April for Belgrade, Kopaonik and Palic.

Number of bright days ranged from 9 days in Zajecar to 16 days in Belgrade and Loznica.

The observed number of bright days was 5 to 12 days above the April average in most of the

country.

In April, Serbia saw 1 to 7 cloudy days, which is 1 to 7 days below the April average.

Belgrade observed 2 cloudy days.

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Average cloud cover in April 2020

Normal of average cloud cover in April for 1981 - 2010 base period

Figure 18. Mean daily cloud cover in Belgrade

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Normal of average cloud cover in April for 1981 - 2010 base period

Figure 19. Mean daily cloud cover on Kopaonik

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Normal of average cloud cover in April for 1981 - 2010 base period

Figure 20. Mean daily cloud cover on Palic

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SUNSHINE DURATION (INSOLATION)

Sunshine duration in April ranged from 204,1 hours in Zajecar to 315,7 hours in Kikinda

(Figure 21).

April insolation ranged from 123% in Zajecar to 179% in Pozega compared to the normal for

the 1981-2010 base period (Figure 22).

Figure 21. Insolation, expressed in hours Figure 22. Insolation expressed in the percentages of

normal

* Note: Climate analysis of meteorological elements was done based on the preliminary data

obtained from 28 main meteorological stations.

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OVERVIEW OF THE SYNOPTIC SITUATION*

A few deeper disruptions, incursions of the cold air through influence of cyclone activity

from the north of the continent, occasionally with cyclone activity in western and central

Mediterranean; prevalence of anticyclone and period of dry and very warm weather.

Period at the beginning of the month was characterized by cutoff of the upper air cyclone

across the Balkans and its transfer toward central, then eastern Mediterranean and the Aegean

Sea. This process maintained changeable, cold and wet weather, precipitation was observed in

eastern and southeastern parts of the country, in the low-lying areas with scattered snow.

Period in the middle of the first decade was marked by establishment of northeasterly upper

air circulation due to the pertaining upper air depression in the Levant area along with ridge

across the Balkans.

Brief disruption of the ridge at the end of the first decade and shallow ill formation in the field

of geopotential brought slight oscillations of the maximum air temperature and light rain in

northwest of the country. Hence, weather remained settled, dry, gradually warmer and

predominantly sunny until the middle of the month.

As of April 14, new incursion from the north took place followed by significant ill formation

in meridional direction, deepening of upper air trough as well as influence and passage of the

cold front within the spatial cyclone from the north of the continent. Weather was cloudy and

rainy, in low-lying areas with rain, on the mountains of southwestern and central Serbia with

snow.

In the subsequent period, at the beginning of the second half of April, weather was more

settled with establishment of the ridge along with periphery of anticyclone emanating from

the western Europe. Simultaneously, new surface depression was developed in the north of

the continent along with frontal system, which occasionally disrupted ridge with shallow

waves, whereas the main cloudy system waved across the central parts and the Pannonia

Plain. Additionally, cyclone circulation strengthened and maintained in the western and

central Mediterranean producing warm airwave from the southwest. Consequently, at the end

of the second decade, it was very warm at times.

The ensuing days, until the middle of the third decade, mostly dry weather remained in the

north but somewhat colder compared to the previous period given the passage of the shallow

ill formation in the upper air circulation and weakly pronounced atmospheric fronts across our

territory. Elsewhere, it was rather rainy owing to the influence of the cyclone from

Mediterranean.

Period from the middle of the third decade until the end of the month was characterized by

influence and passage of another cold atmospheric front from the north followed by weak

gradient cyclone field, unsettled and relatively warm air mass as well as rainy weather with

intermittent patches of rain and isolated showers.

* National Center for Hydrometeorlogical Early Warning System

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APPENDIX

Mean air temperature

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Mean daily air temperature in Sombor

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmean normal Tmean

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Appendix 1. Daily course of the mean daily air temperature and accompanying percentile for Sombor

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Mean daily air temperature in Novi Sad

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmean normal Tmean

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Appendix 2. Daily course of the mean daily air temperature and accompanying percentile for Novi Sad

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Mean daily air temperature in Loznica

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmean normal Tmean

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Appendix 3. Daily course of the mean daily air temperature and accompanying percentile for Loznica

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15

20

25

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

Т (

о С

)

date

Mean daily air temperature in Kragujevac

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmean normal Tmean

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Appendix 4. Daily course of the mean daily air temperature and accompanying percentile for Kragujevac

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18

0

5

10

15

20

25

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

Т (

о С

)

date

Mean daily air temperature in Negotin

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmean normal Tmean

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Appendix 5. Daily course of the mean daily air temperature and accompanying percentile for Negotin

-10

-5

0

5

10

15

20

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

Т (

о С

)

date

Mean daily air temperature at Zlatibor

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmean normal Tmean

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Appendix 6. Daily course of the mean daily air temperature and accompanying percentile for Zlatibor

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19

-5

0

5

10

15

20

25

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

Т (

о С

)

date

Mean daily air temperature in Nis

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmean normal Tmean

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Appendix 7. Daily course of the mean daily air temperature and accompanying percentile for Nis

-5

0

5

10

15

20

25

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

Т (

о С

)

date

Mean daily air temperature in Vranje

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmean normal Tmean

extremly warm

very warmwarm

cold

very cold

еxtremly cold

Appendix 8. Daily course of the mean daily air temperature and accompanying percentile for Vranje

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20

Maximum air temperature

0

5

10

15

20

25

30

35

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

Т(о

С)

date

Maximum daily air temperature in Sombor

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmax normal Тmax

аbsolute maximum: 30.8 С (29.04.2018.)

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Appendix 9. Daily course of the maximum daily air temeperature and the accompanying percentile for Sombor

0

5

10

15

20

25

30

35

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

Т (

о С

)

date

Maximum daily air temperature in Novi Sad

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmax normal Тmax

аbsolute maximum: 31.4 С (30.04.2013.)

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Appendix 10. Daily course of the maximum daily air temeperature and the accompanying percentile for Novi

Sad

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21

0

5

10

15

20

25

30

35

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

Т (

о С

)

date

Maximum daily air temperature in Loznica

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmax normal Тmax

аbsolute maximum: 32.0 С (30/17.04.2003/2016.)

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Appendix 11. Daily course of the maximum daily air temeperature and the accompanying percentile for Loznica

0

5

10

15

20

25

30

35

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

Т (

о С

)

date

Maximum daily air temperature in Kragujevac

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmax normal Тmax

аbsolute maximum: 32.0 С (30.04.2013.)

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Appendix 12. Daily course of the maximum daily air temeperature and the accompanying percentile for

Kragujevac

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22

0

5

10

15

20

25

30

35

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

Т (

о С

)

date

Maximum daily air temperature in Negotin

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmax normal Тmax

аbsolute maximum: 32.0 С (18.04.2016.)

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Appendix 13. Daily course of the maximum daily air temeperature and the accompanying percentile for Negotin

-5

0

5

10

15

20

25

30

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

Т (

о С

)

date

Maximum daily air temperature at Zlatibor

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmax normal Тmax

аbsolute maximum: 26.4 С (30.04.2013.)

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Appendix 14. Daily course of the maximum daily air temeperature and the accompanying percentile for Zlatibor

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23

-5

0

5

10

15

20

25

30

35

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

Т (

о С

)

date

Maximum daily air temperature in Nis

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmax normal Тmax

аbsolute maximum: 33.0 С (10.04.1985.)

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Appendix 15. Daily course of the maximum daily air temeperature and the accompanying percentile for Nis

-5

0

5

10

15

20

25

30

35

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

Т (

о С

)

date

Maximum daily air temperature in Vranje

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmax normal Тmax

аbsolute maximum: 31.5 С (10.04.1985.)

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Appendix 16. Daily course of the maximum daily air temeperature and the accompanying percentile for Vranje

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24

Minimum air temperature

-10

-5

0

5

10

15

20

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

Т (

о С

)

date

Minimum daily air temperature in Sombor

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmin normal Tmin

аbsolute minimum: -5.6 С (08/10.04.2002/2012.)

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Appendix 17. Daily course of the minimum daily air temperature and the accompanying percentile for Sombor

-10

-5

0

5

10

15

20

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

Т (

о С

)

date

Minimum daily air temperature in Novi Sad

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmin normal Tmin

аbsolute minimum: -6.2 С (07.04.2003.)

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Appendix 18. Daily course of the minimum daily air temperature and the accompanying percentile for Novi Sad

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25

-10

-5

0

5

10

15

20

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

Т (

о С

)

date

Minimum daily air temperature in Loznica

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmin normal Tmin

аbsolute minimum: -5.4 С (09.04.2003.)

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Appendix 19. Daily course of the minimum daily air temperature and the accompanying percentile for Loznica

-10

-5

0

5

10

15

20

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

Т (

о С

)

date

Minimum daily air temperature in Kragujevac

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmin normal Tmin

аbsolute minimum: -6.6 С (01.04.1931.)

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Appendix 20. Daily course of the minimum daily air temperature and the accompanying percentile for

Kragujevac

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26

-10

-5

0

5

10

15

20

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

Т (

о С

)

date

Minimum daily air temperature in Negotin

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmin normal Tmin

аbsolute minimum: -4.9 С (09.04.2003.)

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Appendix 21. Daily course of the minimum daily air temperature and the accompanying percentile for Negotin

-15

-10

-5

0

5

10

15

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

Т (

о С

)

date

Minimum daily air temperature at Zlatibor

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmin normal Tmin

аbsolute minimum: -8.8 С (08.04.2003.)

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Appendix 22. Daily course of the minimum daily air temperature and the accompanying percentile for Zlatibor

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27

-15

-10

-5

0

5

10

15

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

Т (

о С

)

date

Minimum daily air temperature at Zlatibor

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmin normal Tmin

аbsolute minimum: -8.8 С (08.04.2003.)

extremly warm

very warm

warm

cold

very cold

еxtremly cold

Appendix 23. Daily course of the minimum daily air temperature and the accompanying percentile for Nis

-10

-5

0

5

10

15

20

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

Т (

о С

)

date

Minimum daily air temperature in Vranje

April 2020

> 98. percentile 91-98. percentile 76-90. percentile 25-75. percentile 10-24. percentile

2-9. percentile < 2. percentile Тmin normal Tmin

аbsolute minimum: -6.6 С (09.04.2003.)

extremly warm

very warmwarm

cold

very cold

еxtremly cold

Appendix 24. Daily course of the minimum daily air temperature and the accompanying percentile for Vranje

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28

Precipitation

25 %

0

10

20

30

40

50

60

70

80

90

100

0

10

20

30

40

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

precip

itati

on

(m

m)

date

Daily and cumulative precipitation in Sombor

daily precipitation (mm) cumulative precipitation for 1981-2010. (mm) base period cumulative precipitation (%)

monthly absolute maximum: 171.8 mm (1942.)

daily absolute maximum: 56.9 mm (12.04.2006.)

cu

mu

lati

ve p

recip

itati

on

(%)

Appendix 25. Daily and cumulative precipitation sums for Sombor

22 %

0

10

20

30

40

50

60

70

80

90

100

0

10

20

30

40

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

precip

itati

on

(m

m)

date

Daily and cumulative precipitation in Novi Sad

daily precipitation (mm) cumulative precipitation for 1981-2010. (mm) base period cumulative precipitation (%)

monthly absolute maximum: 156.0 mm (2001.)

daily absolute maximum: 40.2 mm (13.04.2001.)

cu

mu

lati

ve p

recip

itati

on

(%

)

Appendix 26. Daily and cumulative precipitation sums for Novi Sad

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29

28 %

0

10

20

30

40

50

60

70

80

90

100

0

10

20

30

40

50

60

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

precip

itati

on

(m

m)

date

Daily and cumulative precipitation in Loznica

daily precipitation (mm) cumulative precipitation for 1981-2010. (mm) base period cumulative precipitation (%)

monthly absolute maximum: 167.2 mm (2014.)

daily absolute maximum: 42.9 mm (01.04.1960.)

cu

mu

lati

ve p

recip

itati

on

(%

)

Appendix 27. Daily and cumulative precipitation sums for Loznica

33 %

0

10

20

30

40

50

60

70

80

90

100

0

10

20

30

40

50

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

precip

itati

on

(m

m)

date

Daily and cumulative precipitation in Kragujevac

daily precipitation (mm) cumulative precipitation for 1981-2010. (mm) base period cumulative precipitation (%)

monthly absolute maximum: 155.3 mm (2001.)

daily absolute maximum: 41.9 mm (28.04.1961.)

cu

mu

lati

ve p

recip

itati

on

(%)

Appendix 28. Daily and cumulative precipitation sums for Kragujevac

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30

37 %

0

10

20

30

40

50

60

70

80

90

100

0

10

20

30

40

50

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

precip

itati

on

(m

m)

date

Daily and cumulative precipitation in Negotin

daily precipitation (mm) cumulative precipitation for 1981-2010. (mm) base period cumulative precipitation (%)

monthly absolute maximum: 191.0 mm (1961.)

daily absolute maximum: 64.8 mm (04.11.1959.)

cu

mu

lati

ve p

recip

itati

on

(%

)

Appendix 29. Daily and cumulative precipitation sums for Negotin

59 %

0

10

20

30

40

50

60

70

80

90

100

0

10

20

30

40

50

60

70

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

precip

itati

on

(m

m)

date

Daily and cumulative precipitation at Zlatibor

daily precipitation (mm) cumulative precipitation for 1981-2010. (mm) base period cumulative precipitation (%)

monthly absolute maximum: 225.8 mm (2014.)

daily absolute maximum: 56.1 mm (27.04.1979.)

cu

mu

lati

ve p

recip

itati

on

(%

)

Appendix 30. Daily and cumulative precipitation sums for Zlatibor

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31

37 %

0

10

20

30

40

50

60

70

80

90

100

0

10

20

30

40

50

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

precip

itati

on

(m

m)

date

Daily and cumulative precipitation in Nis

daily precipitation (mm) cumulative precipitation for 1981-2010. (mm) base period cumulative precipitation (%)

monthly absolute maximum: 133.4 mm (2001.)

daily absolute maximum: 34.3 mm (23.04.1933.)

cu

mu

lati

ve p

recip

itati

on

(%

)

Appendix 31. Daily and cumulative precipitation sums for Nis

93 %

0

10

20

30

40

50

60

70

80

90

100

0

10

20

30

40

50

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29

precip

itati

on

(m

m)

date

Daily and cumulative precipitation in Vranje

daily precipitation (mm) cumulative precipitation for 1981-2010. (mm) base period cumulative precipitation (%)

monthly absolute maximum: 161.8 mm (2014.)

daily absolute maximum: 36.0 mm (20.04.1938.)

cu

mu

lati

ve p

recip

itati

on

(%

)

Appendix 32. Daily and cumulative precipitation sums for Vranje