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North America - Forecast Models


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Model NAM RUC GFS
Model Fields Forecast Hour Animation Options Forecast Hour Animation Options Forecast Hour Animation Options
MSLP,
1000-500mb
Thickness,
& Precipitation
GIF JAVA JavaScript
GIF JAVA JavaScript
GIF JAVA JavaScript
2M Temperature,
2M Relative Humidity,
& 10M Wind
GIF JAVA JavaScript
GIF JAVA JavaScript
GIF JAVA JavaScript
850mb Temperature,
RH & Wind Flags
GIF JAVA JavaScript
GIF JAVA JavaScript
GIF JAVA JavaScript
700mb Vertical Velocity,
Winds &
Total Cloud Cover
GIF JAVA JavaScript
GIF JAVA JavaScript
GIF JAVA JavaScript
500mb Heights,
Winds &
Vorticity
GIF JAVA JavaScript
GIF JAVA JavaScript
GIF JAVA JavaScript
200mb Heights,
Isotachs & Wind
GIF JAVA JavaScript
GIF JAVA JavaScript
GIF JAVA JavaScript
Convective Available
Potential Energy
(CAPE)
GIF JAVA JavaScript
GIF JAVA JavaScript
GIF JAVA JavaScript
Standard Lifted Index
GIF JAVA JavaScript
GIF JAVA JavaScript
GIF JAVA JavaScript
Snow, Rain,
Ice Pellets, &
Freezing Rain
GIF JAVA JavaScript
GIF JAVA JavaScript N/A
Total Cloud Cover
GIF JAVA JavaScript N/A
GIF JAVA JavaScript
Model Fields Forecast Hour Animation Options Forecast Hour Animation Options Forecast Hour Animation Options
Model NAM RUC GFS

Forecast models Courtesy of NOAA ARL using data from the National Center for Environmental Prediction (NCEP).


 

 

 

 

Interesting Weather Facts
DEW POINT
Dew point is the temperature to which air must be cooled for saturation (100% relative humidity) to occur. The dew point is an important measurement used to predict the formation of dew, frost, and fog. If dew point and temperature are close together in the late afternoon when the air begins to turn colder, fog is likely during the night. Dew point is also a good indicator of the air's actual water vapor content, unlike relative humidity, which takes the air's temperature into account. High dew point indicates high vapor content; low dew point indicates low vapor content. In addition a high dew point indicates a better chance of rain and severe thunderstorms. You can even use dew point to predict the minimum overnight temperature. Provided no fronts or other weather pattern changes are expected overnight, the afternoon's dew point gives you an idea of what minimum temperature to expect overnight.