Texas Statewide Mesonet Network (TexMesonet)
Transcript of Texas Statewide Mesonet Network (TexMesonet)
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Texas Statewide Mesonet Network (TexMesonet)
Dr. Kantave Greene
11/15/17
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Why Mesonets? Observe weather features
▪ Thunderstorms ▪ Squall lines
▪ Dry-lines ▪ Sea breezes
Improve weather & flood forecasts
Drought monitoring
Assist crop productivity
▪ Irrigation scheduling
▪ Prescribe burn advisories
▪ Planting and harvesting
Near real-time data for school
Recreation
Under-sampling of urban, coastal, and mountainous regions leaves large populations at risk in areas where there is wide variability in local weather.
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Oklahoma Mesonet
Standard bearer: Oklahoma 121 stations – at least one station per 77 counties 10m towers with 5 mins obs Standard measurements include: temp, RH, winds,
press, rainfall, solar radiation & soil temp (cover/bare)
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West Texas Mesonet -Texas Tech University
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Established in 1999
Concentrated in the Texas Panhandle
109 sites in 61 counties & New Mexico
5 min obs
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- Rationale
Population growth: more lives at risk “Flash Flood Alley” in Central Texas
Memorial Day Floods - Houston 2015 & 2016
Hurricane Harvey 2017
Extreme Weather Events Shift in weather events
Increase frequency/intensity of events
Increase socio-economic impact to daily lives
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- Goals TWDB does surface & groundwater monitoring
Close the cycle to include atmospheric monitoring
Build on existing networks (LCRA, EAA, TCEQ, GCDs, Parks & Wildlife)
Integrate local and regional networks NWS, MesoWest
Develop a statewide mesonet Provide real-time, quality data
Forecasters
Modelers
General public
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THE ISSUE
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Observational Points in Texas
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831
76
275
14 1
149
44 63
0
100
200
300
400
500
600
700
800
900
# o
f si
tes
Mesonet
Network distribution in Texas (n=1453)
Federal system (ASOS/METAR) comprise 15% of the network University run network (WTMESO/MWEST) comprise 6% of
the network Largest network comprise of local citizens
Data reliability and usability to forecasters and modelers
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44
54
44
27
17
7 86 7 6 5
29
0
10
20
30
40
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0 1 2 3 4 5 6 7 8 9 10 >10
# o
f co
un
ties
# of sites
Distribution of the number of
sites per county in Texas
no sites17%
1-site21%
2-site17%
3-site11%
4-site7%
5-site3%
6-site3%
7-site2%
8-site3%
9-site2%
10-site2%
>10-site12%
Percent distribution of the number of
sites per county in Texas
44 counties or 17% of the state have no observational site 49% of the state has at least 3 obs. sites within a county Sites are concentrated within 29 counties or 12% of the state Counties with >10-sites are:
Metro areas (Austin, San Antonio, Dallas/Fort Worth, Houston)
Large flood monitoring networks (LCRA & HCFCD)
Why me?
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Site Distribution per County in Texas
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Is their significance for counties with no sites?
Is it due to population density?
Are these counties now significant to the evolving weather pattern?
Dallas/Fort Worth
Austin/San Antonio
El Paso
Houston
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Lack of Rainfall CoverageSource:
http://www.twdb.texas.gov/publications/reports/contracted_reports/doc/1600012027_aquaStrategies.pdf
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Location of Federal Sites within Texas
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TexMesonet
16 stations installed across 8 counties
Est. 4 more by end of year 2017Objective
1 primary station per County
(est. 20 mile separation between sites)Several secondary (rain gage) stations per County to get
denser rainfall measurement
(est. 11 mile separation between sites)
Full time staff Three field staff and two IT staff
- Current Status
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Network-of-Network
Web viewer utilizing ArcGIS serving surface and weather layers
Over 2200 existing stations from 13 mesonets
Over 1000 stations within Texas at any given time
Data ingestion via Mesowest
- Current Status
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TexMesonet Status Map –Nov 2017
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Counties
Operational 8
Approved 17
Pending 4
Contact 21
WTEXAS 46
No Contact 153
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Bell County Earth Observation Network
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Red: NWS/FAA Blue: RAWS Green: TexMesonet Yellow: Potential Sites
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TexMesonet Sites
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Colorado County Blanco County
Primary Site40 x 40 foot hog panel fenced area30 foot towerMonitoring at 30 feet and 5 feet
Secondary Site24 x 24 foot fenced area10 foot towerMonitoring at 5 feet
Monitoring: Temperature, winds, rainfall, and soil temperature/moisture* Optional: Pressure, solar radiation, well water depth
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HOW CAN WE HELP YOU??? Clearinghouse for statewide weather data
Repository for: Reliable, Accurate, Trustworthy data
Automate the collection, storage & dissemination of near,
real-time rainfall data
Reduce man hours collecting rainfall and in some cases
well data
Provide district wide, customizable, and downloadable
maps and data
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WHERE CAN WE
COLLABORATE???
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Find landowners willing to have a site on their property
Identify locations that will capture rainfall distributions in the county or district
Improve and or expand existing networks
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Leyon Greene Email Support
[email protected] [email protected]
512-475-0465 512-936-0871
Mark Olden Physical Address:
[email protected] P.O. Box 13231
512-468-8090 1700 N. Congress Ave.
Austin, TX 78711-3231
Maureen Sanders
512-475-0267
CONTACT US
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The End
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Hurricane Harvey at 10:26am CDT on August 26th 2017. Locate 115 MI SE of Corpus Christie. Max winds 110 MPH
Moving NW at 10 MPH with central pressure 947 millibars
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Tropical Storm Harvey at 7:00pm CDT August 27th 2017. Located 10 miles NE of Victoria, TX. Max winds 40 MPH
Moving SE at 3 MPH with Central pressure 1000 millibars
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