Hint: If the map does not fit on your monitor try "full screen mode", which is toggled
with the F11 key.
Model Forecast of Clouds and Radar
This weather map shows the latest cloud and precipitation forecast from the National
Weather Service (NWS) NAM computer model. The model is run every 6 hours starting
at 1 am EST, which is 2 am EDT. The maps are generated 3 hours after the start of each
model run to make sure that all data have been received.
Cloud cover exceeding 50 percent is indicated with gray shading.
Intensity of precipitation is idicated by the forecast radar intensity,
from light (light green) to heavy (purple) according to the scale.
Yellow and higher indicates heavy showers similar to that found in thunderstorms.
Precipitation type is stippled white for snow and stippled red for ice (sleet or
freezing rain). Rain is indicated by a radar forecast without any stippling.
Stippling without a radar forecast suggests just light precititation.
The animation controls are largely intuitive. Zooming requires clicking the
zoom button and then clicking on the map. One can zoom more than once by additional
clicks on the map. One can pan by dragging the map with the left mouse button.