SPC Activity Chart
Current Severe Weather Map Analysis
SPC Activity Chart, showing a 1 hour radar loop, the current Day1 convective outlook, and all active watches.|
Updated every 15 minutes.
|What this Map is Illustrating:
The first data you will note is a one hour animated loop of all US Radar. The time of each Radar image is shown in the lower left box. All times are GMT; subtract 4 hours for EDT, 5 hours for EST.
The current "convective outlook" is displayed by the solid lines. Orange outlines general thunderstorms (non-severe). Green: Slight Risk, Red: Moderate Risk, Purple: High Risk.
Any active Watches and Warning are also shown. Blue outline box: Severe Thunderstorm Watch, Red outline box: Tornado Watch.