Dec 18 - NAM forecast for Pigeon
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  18z Text Description 21z Text Description
Thermal Updraft Velocity (fpm)
110
Very Weak Lift
117
Very Weak Lift
Surface Heating (W/m2)
25
More Heating, Better Thermals
15
More Heating, Better Thermals
Top of Usable Lift (MSL)
1195
-725 Feet Over Launch
1195
-725 Feet Over Launch
Thermal Tops (MSL)
1967
47 Feet Over Launch
2674
754 Feet Over Launch
Height Variability (Feet)
894
Thermal Tops 894 ft higher if 4° Warmer Than Forecast
231
Thermal Tops 231 ft higher if 4° Warmer Than Forecast
B/S Ratio
5
Mostly Workable Thermals
3
Very Rough
BL Wind Speed (mph)
5
Average Speed, Ground to Thermal Tops
7
Average Speed, Ground to Thermal Tops
BL Wind Direction (°)
239
Launch at Keel
234
Launch at Keel
Cumulus Potential
672
Good Cottonball Cumulus
805
Good Cottonball Cumulus
Cumulus Base (MSL)
1295
-625 Feet Over Launch
1869
-51 Feet Over Launch
Overdevelopment Potential
472
Mild Overdevelopment Risk
563
Mild Overdevelopment Risk
Max Relative Humidity (%) 98High Values Promote Extensive Clouds 97 High Values Promote Extensive Clouds
Convective Available Potential Energy (J/kg)
8
No Storm Potential
4
No Storm Potential
Surface Temperature at 2 meters (° F) 49Better Soaring If Warmer 51 Better Soaring If Warmer
forecast for Pigeon
  18z Text Description 21z Text Description
Thermal Updraft Velocity (fpm)
No Data
No Data
Surface Heating (W/m2)
More Heating, Better Thermals
More Heating, Better Thermals
Top of Usable Lift (MSL)
No Data
No Data
Thermal Tops (MSL)
No Data
No Data
Height Variability (Feet)
No Data
No Data
B/S Ratio
No Data
No Data
BL Wind Speed (mph)
0
Average Speed, Ground to Thermal Tops
0
Average Speed, Ground to Thermal Tops
BL Wind Direction (°)
No Data
No Data
Cumulus Potential
No Data
No Data
Cumulus Base (MSL)
No Data
No Data
Overdevelopment Potential
No Data
No Data
Max Relative Humidity (%) High Values Promote Extensive Clouds High Values Promote Extensive Clouds
Convective Available Potential Energy (J/kg)
No Storm Potential
No Storm Potential
Surface Temperature at 2 meters (° F) Better Soaring If Warmer Better Soaring If Warmer
Click Images for Larger Size
Skew-T, Updated 3:44 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 Analysis from RUC2 Forecast for Pigeon on Mon Dec 18

18z 21z
Altitude MSL (ft) Wind Direction (°) Wind Speed (mph) Temperature (F)
Altitude MSL (ft) Wind Direction (°) Wind Speed (mph) Temperature (F)