Author Topic: Winter Storm Severity Index (WSSI) goes live this season  (Read 618 times)

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Offline Jasiu

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Winter Storm Severity Index (WSSI) goes live this season
« on: August 26, 2020, 11:57:17 AM »

Effective September 29, 2020 at 1400 Coordinated Universal Time (UTC), the NWS will transition the experimental Winter Storm Severity Index (WSSI) for 116 Weather Forecast Offices (WFO) across the Contiguous United States (CONUS) to operational status.The purpose of the WSSI is to provide NWS forecasters,partners, and the public with an indication of the severity of winterweather hazards and the potential for related societal impacts.The WSSI does not depict official warnings and shouldalways be used in context with official NWS forecasts and warnings. The WSSI will be updated every 2 hours at approximately 0100 Coordinated Universal Time (UTC), 0300 UTC, 0500 UTC, etc.  No communication system changes arerequired to view this web-based information.Additional information is provided in the Product Description Document (PDD) at the link below:

Index levels are No, Limited, Minor, Moderate, Major, and Extreme Impacts.

Seems like a good thing and maybe a model to follow for severe thunderstorms.

Offline Notsorusty

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Re: Winter Storm Severity Index (WSSI) goes live this season
« Reply #1 on: August 26, 2020, 05:00:39 PM »
A much better system than the naming of winter storms. Winter storm Betty really seems lame.
Station Name: Silver Creek
Latitude / Longitude: 41.925 N, -87.872 W
Elevation: 633
City: Franklin Park
State: IL
Hardware: Ambient Weather WS-2902
Software: AMBWeatherV4.0.0