Dec 19 - NAM forecast for Whitwell
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  18z Text Description 21z Text Description
Thermal Updraft Velocity (fpm)
56
Unuseable
50
Unuseable
Surface Heating (W/m2)
4
More Heating, Better Thermals
3
More Heating, Better Thermals
Top of Usable Lift (MSL)
1391
-909 Feet Over Launch
1391
-909 Feet Over Launch
Thermal Tops (MSL)
2052
-248 Feet Over Launch
1971
-329 Feet Over Launch
Height Variability (Feet)
225
Thermal Tops 225 ft higher if 4° Warmer Than Forecast
235
Thermal Tops 235 ft higher if 4° Warmer Than Forecast
B/S Ratio
4
Rough and Broken
1
Exceptionally Rough
BL Wind Speed (mph)
3
Average Speed, Ground to Thermal Tops
9
Average Speed, Ground to Thermal Tops
BL Wind Direction (°)
212
Launch at Keel
173
Whitwell Day
Cumulus Potential
46
Haze Domes Possible
16
Haze Domes Possible
Cumulus Base (MSL)
2006
-294 Feet Over Launch
1955
-345 Feet Over Launch
Overdevelopment Potential
-6895
No Overdevelopment Risk
-6553
No Overdevelopment Risk
Max Relative Humidity (%) 98High Values Promote Extensive Clouds 99 High Values Promote Extensive Clouds
Convective Available Potential Energy (J/kg)
1
No Storm Potential
1
No Storm Potential
Surface Temperature at 2 meters (° F) 48Better Soaring If Warmer 48 Better Soaring If Warmer

   RUC Data Not Yet Available
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Skew-T, Updated 8:17 AM Sun Dec 17
Visible Satellite, updated 16:15 PM Mon May 9
Visible Animated Loop
IR Satellite, updated 16:00 PM Mon May 9
IR Animated Loop

   Altitude Data Not Yet Available