NOUS41 KWBC 171859
PNSWSH

PUBLIC INFORMATION SERVICE
NATIONAL WEATHER SERVICE HEADQUARTERS WASHINGTON DC
200 PM EST THU DEC 17 2009

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

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

SUBJECT:  WEB PAGE SUPPORTING NATIONAL CHANGE IN MINIMUM
          HAIL SIZE CRITERION FOR ISSUING SEVERE THUNDERSTORM
          WARNING /SVR/ AND SEVERE WEATHER STATEMENT /SVS/
          PRODUCTS 

SERVICE CHANGE NOTICE 09-52 ANNOUNCED THE NATIONAL CHANGE IN THE 
MINIMUM HAIL SIZE CRITERION FOR SEVERE THUNDERSTORM WARNING /SVR/ 
AND SEVERE WEATHER STATEMENT /SVS/ PRODUCTS FROM 3/4 INCH /PENNY/ 
DIAMETER OR LARGER HAIL TO 1 INCH /QUARTER/ DIAMETER OR LARGER HAIL 
/USE LOWERCASE/:

HTTP://WWW.WEATHER.GOV/OS/NOTIFICATION/SCN09-52_1INCH_HAIL_OPER.TXT

THIS CHANGE IS EFFECTIVE JANUARY 5 2010.

A WEB PAGE ADDRESSING CONCERNS AND QUESTIONS FROM THE EXPERIMENTAL 
COMMENT PERIOD AND PROVIDING ADDITIONAL BACKGROUND ON THIS CHANGE 
IS ONLINE /USE LOWERCASE/:

HTTP://WEATHER.GOV/ONEINCHHAIL

FOR FURTHER INFORMATION REGARDING THIS CHANGE PLEASE CONTACT:

JOHN T FERREE
FIRE AND PUBLIC WEATHER SERVICES BRANCH
120 DAVID L. BOREN BLVD SUITE 2312
NORMAN OK 73072
405-325-2209
JOHN.FERREE@NOAA.GOV

NATIONAL PUBLIC INFORMATION STATEMENTS ARE ONLINE AT  
/USE LOWERCASE/:

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