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*Prototype Display* Rolling 24 Hour Winter Storm Severity Index (WSSI)
This display shows the WSSI for a period of 24 hours. Each time-step forward is 6 hours. As you move forward in time using the slider bar you can see how the WSSI is changing every six hours out to the end of the day 3 timeframe.

Select WSSI Impact Type:

Drag the slider to display the 24 hour forecast forecast for impacts.

Forecast Initialized:     | Forecast HR: |    Valid at

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Map Overlays
NWS County Warning Area Boundaries River Forecast Center Boundaries
FEMA Boundaries Counties Boundaries
State Boundaries NWS Public Forecast Zones
Urban Areas ARTCC/FIR