599  
NOUS41 KBOX 041634  
PNSBOX  
CTZ002>004-MAZ002>024-026-RIZ001>008-050445-  
 
PUBLIC INFORMATION STATEMENT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1234 PM EDT TUE MAY 4 2021  
 
TO: SUBSCRIBERS:  
-NOAA WEATHER WIRE SERVICE  
-EMERGENCY MANAGERS WEATHER INFORMATION NETWORK  
-NOAAPORT  
OTHER NWS PARTNERS AND NWS EMPLOYEES  
 
FROM: ALLISON ALLEN, CHIEF  
MARINE, TROPICAL AND TSUNAMI SERVICES BRANCH  
 
SUBJECT: TROPICAL CYCLONE WATCH WARNING PRODUCT (TCV)  
COLLABORATION TESTING WEDNESDAY, MAY 5 2021  
 
THE NWS NATIONAL HURRICANE CENTER (NHC) AND WEATHER FORECAST  
OFFICES (WFOS) IN MIAMI, FLORIDA AND BOSTON/NORTON,  
MASSACHUSETTS WILL COMMENCE WITH INTERNAL SOFTWARE AND HARDWARE  
TESTING OF THE NATIONAL TROPICAL CYCLONE WATCH/WARNING (TCV)  
PRODUCT COLLABORATION PROCESS ON WEDNESDAY, MAY 5 2021.  
THURSDAY, MAY 6 2021 IS A DESIGNATED BACKUP DAY.  
 
INTERNAL TCV TEST PRODUCTS ARE NOT INTENDED TO BE RELEASED  
EXTERNALLY THROUGH NWS DISSEMINATION AND COMMUNICATION SYSTEMS.  
THE TEXT PRODUCTS AFFECTED BY COLLABORATION TESTING ARE THE  
NATIONAL TROPICAL CYCLONE WATCH/WARNING (TCV) PRODUCTS ISSUED  
UNDER THE FOLLOWING AWIPS PRODUCT IDENTIFIERS (PIL) AND WORLD  
METEOROLOGICAL ORGANIZATION (WMO) IDENTIFIERS (ID):  
 
TCV PRODUCT AWIPS PIL WMO ID  
------------ --------- -------  
PRELIMINARY TCV PTCAT/1-5/ WTNT/81-85/ KNHC  
NATIONAL TCV TCVAT/1-5/ WTNT/81-85/ KNHC  
 
IN ADDITION, THE FOLLOWING NATIONAL DIGITAL FORECAST DATABASE  
(NDFD) ELEMENTS WILL BE CREATED FOR THIS TEST:  
- TROPICAL CYCLONE WIND PROBABILITIES (INCREMENTAL AND  
CUMULATIVE) FOR 34 KT, 50 KT, AND 64 KT  
- HAZARD GRID (INCLUDING TROPICAL STORM, HURRICANE, AND  
STORM SURGE HAZARDS)  
 
THE NWS WILL CONTINUE PERIODIC INTERNAL TROPICAL SOFTWARE  
TESTING DURING THE REMAINDER OF THIS HURRICANE SEASON. THE  
NATIONAL TCV PRODUCT CONTAINS A SUMMARY OF COLLABORATED WIND  
AND/OR STORM SURGE WATCHES AND WARNINGS, DEPICTED BY NWS-DEFINED  
GEOGRAPHIC ZONES.  
 
FOR MORE INFORMATION, PLEASE CONTACT:  
 
JOE DELLICARPINI  
SCIENCE AND OPERATIONS OFFICER  
NATIONAL WEATHER SERVICE OFFICE  
NORTON, MA 02766  
JOSEPH.DELLICARPINI@NOAA.GOV  
508-622-3324  
 
NATIONAL PUBLIC INFORMATION STATEMENTS ARE ONLINE AT:  
 
HTTPS://WWW.WEATHER.GOV/NOTIFICATION/  
 

 
 
FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT  
WWW.WEATHER.GOV/BOSTON  
 
YOU CAN FOLLOW US ON FACEBOOK AT  
WWW.FACEBOOK.COM/NWSBOSTON  
 
YOU CAN FOLLOW US ON TWITTER AT  
@NWSBOSTON  
 
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