NOUS41 KWBC 231600



Public Information Statement 17-03

National Weather Service Headquarters Silver Spring, MD

1200 PM EST Mon Jan 23 2017     


TO:      Subscribers:

         -NOAA Weather Wire Service

         -Emergency Managers Weather Information Network


         Other NWS Partners and NWS Employees


FROM:    Michelle Hawkins

         Chief, Severe, Fire, Public, and Winter Weather

           Services Branch


SUBJECT: Soliciting comments on the Prototype Winter Storm

         Severity Index (WSSI) until April 30, 2017


The NWS is soliciting comments on a Winter Storm Severity Index

(WSSI) prototype until April 30, 2017.  Prototype WSSI values

will be produced for 15 NWS selected Weather Forecast Offices

(WFOs) across the contiguous 48 states. 


The purpose of the WSSI prototype is to provide NWS forecasters

and partners with an indication of the severity of winter

weather hazards and its potential related societal impacts.  The

WSSI prototype does not depict official warnings and should

always be used in context with official NWS forecasts and



The WSSI prototype is available for comment via a link from 

15 select NWS Weather Forecast Offices:


Albany, NY:

Albuquerque, NM:

Amarillo, TX:

Binghamton, NY:

Burlington, VT:

Dodge City, KS:

Elko, NV:

Gaylord, MI:

Grand Junction, CO:

Grand Rapids, MI:

Medford, OR:

Omaha, NE:

Paducah, KY:

Philadelphia, PA:

Wichita, KS:


The WSSI prototype will be updated at least four times daily at

approximately 0100 Coordinated Universal Time (UTC), 0700 UTC,

1300 UTC and 1900 UTC. No communication system changes are

required to view this web-based information.


Additional information and an example of the prototype product

are in the Product Description Document (PDD) at the link below:


Comments may be submitted via the survey link below. The survey

link will also be available on the WFO web pages:


If comments and prototype evaluation are favorable, NWS may

expand the demonstration for the 2017/2018 winter season. NWS

will provide additional opportunity for comment/review on the

experimental product before any operational decision. If you

have questions, please contact:


David Soroka

National Winter Weather Program Lead

NWS Severe, Fire, Public and Winter Services Branch

Silver Spring, MD


NWS Public Information Statements are online at: