[nws-changes] 20090923: hail comments : ADMIN NOTICE NOUS41 KWBC]

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-------- Original Message --------
668 NOUS41 KWBC 231839 
PNSWSH
PUBLIC INFORMATION STATEMENT...COMMENT REQUEST NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC 
240 PM EDT WED SEP 23 2009

TO:      SUBSCRIBERS:
        -FAMILY OF SERVICES
        -NOAA WEATHER WIRE SERVICE
        -EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
        -NOAAPORT
        OTHER NWS PARTNERS...USERS AND EMPLOYEES

FROM:    ELI JACKS
        CHIEF...FIRE AND PUBLIC WEATHER SERVICES BRANCH

SUBJECT: CURRENTLY SOLICITING COMMENTS BY NOVEMBER 30 2009
        REGARDING CHANGING THE MINIMUM HAIL SIZE CRITERION FOR
        ISSUING SEVERE THUNDERSTORM WARNINGS AND SEVERE
        WEATHER STATEMENTS
THE NWS IS CONSIDERING CHANGING THE MINIMUM HAIL SIZE CRITERION IT USES FOR ISSUING SEVERE THUNDERSTORM WARNING /SVR/ AND SEVERE WEATHER STATEMENT /SVS/ PRODUCTS FROM 3/4 INCH /PENNY/ DIAMETER OR LARGER TO 1 INCH /QUARTER/ DIAMETER OR LARGER. NO CHANGE IS BEING PROPOSED TO THE SEVERE THUNDERSTORM WIND CRITERION: WIND GUSTS EQUAL TO OR IN EXCESS OF 50 KNOTS /58 MPH/.
COMMENTS REGARDING THIS PROPOSED CHANGE SHOULD BE BY NOVEMBER 30 2009 TO: 

HTTP://WWW.WEATHER.GOV/SURVEY/NWS-SURVEY.PHP?CODE=1INCHA-WR
WITH THE EXCEPTION OF CENTRAL AND WESTERN REGION WEATHER FORECAST OFFICES /WFO/... THE NWS CURRENTLY ISSUES SVR AND SVS PRODUCTS WHENEVER A THUNDERSTORM IS FORECAST TO CONTAIN HAIL SIZE 3/4 INCH /PENNY/ DIAMETER OR LARGER.
ON AN EXPERIMENTAL BASIS...CENTRAL AND WESTERN REGION WFOS ARE USING THE PROPOSED 1 INCH /QUARTER/ DIAMETER OR LARGER MINIMUM HAIL SIZE CRITERION TO ISSUE SVR AND SVS PRODUCTS UNTIL OCTOBER 31 2009 AND NOVEMBER 30 2009... RESPECTIVELY.
PRODUCT DESCRIPTION DOCUMENTS /PDD/ FOR THESE EXPERIMENTAL PRODUCTS ARE AVAILABLE AT /USE LOWERCASE/: 

 HTTP://PRODUCTS.WEATHER.GOV/VIEWLISTE.PHP
SERVICE CHANGE NOTICES /SCN/ ANNOUNCING THE CR AND WR EXPERIMENTAL PRODUCTS ARE ALSO ONLINE AT /USE LOWERCASE/: 

HTTP://WWW.NWS.NOAA.GOV/OM/NOTIFICATION/SCN09-36WR_HAIL_EXP.TXT

 AND

HTTP://WWW.NWS.NOAA.GOV/OM/NOTIFICATION/SCN09-19HAIL_CHANGE.TXT
UPON THE COMPLETION OF THESE EXPERIMENTAL PERIODS AND THE CLOSE OF THIS PUBLIC INFORMATION STATEMENT /PNS/ COMMENT PERIOD...THE NWS WILL EVALUATE ALL RECEIVED COMMENTS TO DETERMINE WHETHER OR NOT TO PROCEED WITH THE SEVERE THUNDERSTORM MINIMUM HAIL SIZE CRITERION CHANGE.
IF THE PROPOSED SEVERE THUNDERSTORM MINIMUM HAIL SIZE CRITERION CHANGE IS APPROVED...ALL NWS WFOS IN THE CONTINENTAL UNITED STATES /CONUS/ AND OUTSIDE CONTINENTAL UNITED STATES /OCONUS/ WILL BEGIN ISSUING SVR AND SVS PRODUCTS FOR THUNDERSTORMS FORECAST TO CONTAIN MINIMUM HAIL SIZE 1 INCH /QUARTER/ DIAMETER OR LARGER AS SOON AS POSSIBLE AFTER TUESDAY JANUARY 5 2010.
A SERVICE CHANGE NOTICE WILL BE ISSUED WITH A MINIMUM 30 DAY ADVANCE LEAD TIME ANNOUNCING THIS CHANGE. IF YOU HAVE COMMENTS OR QUESTIONS REGARDING THIS PUBLIC INFORMATION STATEMENT...PLEASE CONTACT: 
 JOHN FERREE
 NATIONAL WEATHER SERVICE
 FIRE AND PUBLIC WEATHER BRANCH
 120 DAVID L. BOREN BLVD, SUITE 2312
 NORMAN OK 73072
 405-325-2209
 JOHN.FERREE@xxxxxxxx
NATIONAL PUBLIC INFORMATION STATEMENTS ARE ONLINE AT /USE LOWERCASE/: 

 HTTP://WWW.WEATHER.GOV/OS/NOTIF.HTM


$$
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