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Experimental Probabilistic Winter Storm Severity Index (PWSSI)
 
This display shows the Probabilistic WSSI for a period of 24 hours. Each time-step forward is 6 hours starting at 24 hours and extending to 168 hours. As you move forward in time using the slider bar you can see how the PWSSI is changing every six hours out to the end of the end of day 7 (168 hours). Select the tab with the element name of interest and then select the impact level radio button you are interested in.

USER GUIDE | HERE.
Comments? Provide feedback on the PWSSI



Select PWSSI Impact Level:

Keyboard HotKeys for slider: > next < previous

Drag the slider or click the arrow buttons to display the probability forecast of impacts from

Forecast Initialized:     | Forecast HR: 24  |    Valid at  |            





Click Legend for a detailed description of the impact levels


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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

Click image to enlarge



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