Winter Storm Severity Index (WSSI)
The WSSI does not depict official warnings and should always be used in context with official NWS forecasts and warnings. For a users guide and more information about the WSSI, please select from the dropdown menu below.
Probabilistic WSSI (WSSI-P) Display Located here
Overall Impact: Maximum impact from any of the components.
Snow Amount: Potential impact from snow amount and snow rate.
Snow Load: Potential impact from the weight of snow on structures.
Ice Accumulation: Potential impact from the ice accumulation and wind.
Flash Freeze: Potential impact from rapid decreases in temperature from above to below freezing with the presence of liquid water.
Blowing Snow: Potential impact from falling snow combined with wind.
Ground Blizzard: Potential impact from snow on the ground combined with wind.
|
---|
Change image opacity:
|
|
|
|
|