Mesonet and Drought Update
description
Transcript of Mesonet and Drought Update
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Mesonet and Drough
t Update
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What’s What’s new?new?
What’s the
current drought situation
?
What’s next?
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The new National Weather Center
is Oklahoma’s new Weather
Center
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Two OSU Cowboys at OU
120 David L Boren Boulevard
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Officed at Oklahoma Climatological
Survey
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Derek Arndt Acting State Climatologist
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OCS Computer Lab
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NWC Auditorium
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NWCAtrium
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National Weather Center
Highway 9 and Jenkins Ave, Norman, Oklahoma
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What’s new?
What’s the
current drought situation
?
What’s next?
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2006ThrewMany
$500 MillionFarm Loss
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2006 Farm Loss (Mark Hodges, Loss Mitigation,
10/18/06) Cotton $17,678,000
Hay $139,975,000
Peanuts $7,148,000
Rye $2,644,000
Sorghum $5,035,000
Soybeans $28,348,000
Wheat - Grain $204,540,000
Wheat - Grazing $101,500,000
TOTAL FARM LOSS ($519,978,000)
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US Drought Monitor Categories
Category Description Possible Impacts
D0 Abnormally Dry Going into drought: short-term dryness slowing planting, growth of crops or pastures. Coming out of drought: some lingering water deficits; pastures or crops not fully recovered
D1 Moderate Drought
Some damage to crops, pastures; streams, reservoirs, or wells low, some water shortages developing or imminent; voluntary water-use restrictions requested
D2 Severe Drought
Crop or pasture losses likely; water shortages common; water restrictions imposed
D3 Extreme Drought
Major crop/pasture losses; widespread water shortages or restrictions
D4 Exceptional Drought
Exceptional and widespread crop/pasture losses; shortages of water in reservoirs, streams, and wells creating water emergencies
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Rainfall - Last 30 Days
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Available Water
• Rooting depth
• Soil type• Soil compaction
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Available Water (inches)
Soil Type Water in
1 foot of soil Water in
2 feet of soil Water in
3 feet of soil Sand 0.96 1.98 2.94
Loamy Sand 1.22 2.44 3.66
Sandy Loam 1.44 2.88 4.32
Loam 1.80 3.60 5.40
Silt Loam 2.16 4.32 6.48
Silty Clay Loam 1.92 3.84 5.76
Clay Loam 1.80 3.60 5.40
Sandy Clay Loam 1.68 3.36 5.04
Silty Clay 1.56 3.12 4.68
Clay 1.44 2.88 4.32
Sandy Clay 1.22 2.44 3.66
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Fractional Water Index
10-inch --- Jan 1, 2007
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Fractional Water Index
FWI Low
FWI High
Soil and Plant Impact over Extended Periods
0.95 1.00 Saturated soil
0.75 0.95 Optimum water for plant growth
0.50 0.75 Limited plant growth
0.30 0.50 Plant wilting
0.10 0.30 Plant death
0.00 0.10 Bone dry
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10” depthFWIJan 1 2007
24” depth FWIJan 1 2007
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10” depthFWI
Oct 13 2006
24” depth FWI
Oct 13 2006
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2-inch
10-inch
24-inch
30-inch
Stillwater, Fractional Water Index 11/10/06 to 12/10/06
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Marshall - 10/16/05 to 12/15/05
OSU Variety Trial Average - 28 bushels
2-inch
10-inch
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Lahoma - 10/16/05 to 12/15/05
OSU Variety Trial Average - 67 bushels
2-inch
10-inch
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Jan 1 2007
Jan 1 2006
Jan 1 2005
FractionalWaterIndex10-inch
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What’s What’s new?new?
What’s the
current drought situation
?
What’s next?
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Climate Trends
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Average Annual Precipitation (1895-2005)
28.79
47.99
33.93
0
10
20
30
40
50
60
Annual
Div#2-NW
Div#9-SE
State
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Average Monthly Precipitation (1895-2005)
0
1
2
3
4
5
6
7
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Rain
fall in
in
ch
es
Div#2-NW
Div#9-SE
State
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May Rainfall - Division 2
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January Rainfall - Division 2
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Looking ahead - Forecasts
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Developing El Niño
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Air Temperature Forecast
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Wind Forecast
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Precipitation Forecast
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agweather.mesonet.org
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Oklahoma Mesonet“Oklahoma’s Weather
Network”
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StillwaterMesonet
Tower
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Oklahoma Mesonet
Established 1994
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• Air temperature
• Rainfall
• Relative humidity
• Soil moisture
• Soil temperature
• Solar radiation
• Station pressure
• Wind direction
• Wind speed
Mesonet measurements
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--- Before Agweather data can be viewed, you must first download the WxScope program ---
WxScope download
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Plan for
tough times!
Make the
most of good
times!