943
NOUS41 KALY 231652
PNSALY
CTZ001-013-MAZ001-025-NYZ032-033-038>043-047>054-058>061-063>066-
082>084-VTZ013>015-241630-
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
1252 PM EDT WED APR 23 2025
TO: SUBSCRIBERS:
-NOAA WEATHER WIRE SERVICE
-EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
-NOAAPORT
OTHER NWS PARTNERS AND NWS EMPLOYEES
FROM: GREG SCHOOR, CHIEF
MARINE, TROPICAL AND TSUNAMI SERVICES BRANCH
SUBJECT: HURRICANE THREATS AND IMPACTS (HTI) MOSAIC TESTING ON
APRIL 24, 2025 (BACKUP DATE: APRIL 29, 2025)
THE NATIONAL WEATHER SERVICE (NWS) WEATHER FORECAST OFFICES (WFOS)
IN HONOLULU, HAWAII, SAN JUAN, PUERTO RICO, AND ALL WFOS IN THE
CONTIGUOUS UNITED STATES THAT ISSUE TROPICAL STORM AND HURRICANE
HAZARDS WILL COMMENCE WITH HURRICANE THREATS AND IMPACTS (HTI)
THREAT GRID MOSAIC TESTING ON THURSDAY, APRIL 24, 2025. TESTING
WILL BEGIN AT APPROXIMATELY 1500 UTC. TEST ACTIVITIES WILL TAKE
APPROXIMATELY 1 HOUR. HOWEVER, NWS DISSEMINATION SYSTEMS MAY
TAKE UP TO AN HOUR AND A HALF TO PURGE ALL TEST DATA. ALL TEST
DATA IS EXPECTED TO BE CLEARED BY 1730 UTC.
IN THE EVENT THAT THE COMMENCEMENT DATE IS DECLARED A CRITICAL WEATHER
DAY (CWD), AN ENHANCED CAUTION EVENT, OR OTHER EVENT IS
OCCURRING OR IS ANTICIPATED TO OCCUR, THE TESTING WILL COMMENCE
AT THE AFFECTED OFFICES ON APRIL 29, 2025.
FOR THE TEST, HTI GRIDS WILL BE CREATED FOR HURRICANE WIND THREAT,
FLOODING RAIN THREAT, TORNADO THREAT, AND STORM SURGE THREAT (WHERE APPLICABLE)
AT EACH PARTICIPATING WFO. THOSE GRIDS ARE STITCHED TOGETHER INTO STORM-SCALE
HTI GRAPHICS. THE HTI MOSAIC GRAPHICS ARE AVAILABLE IN KEYHOLE MARKUP LANGUAGE
(KML) FORMAT ON THE FOLLOWING WEBPAGE:
HTTPS://WWW.WEATHER.GOV/HTI
THE MOSAICS ARE ALSO AVAILABLE THROUGH THE NATIONAL DIGITAL FORECAST DATABASE
AND ON WEB PAGES HOSTED BY THE WEATHER FORECAST OFFICES (WFOS) AFFECTED BY
TROPICAL CYCLONES. THESE WEBPAGES INCLUDE WFO TROPICAL WEBPAGES AND GRAPHICAL
HAZARDOUS WEATHER OUTLOOK (GHWO) WEBPAGES.
THE GHWO WEBPAGE FOR THE NATIONAL WEATHER SERVICE OFFICE IN
ALBANY, NY IS AT:
HTTPS://WWW.WEATHER.GOV/ERH/GHWO?WFO=ALY
THE TROPICAL THREATS AND IMPACTS WEBPAGE FOR THE NATIONAL WEATHER
SERVICE OFFICE IN ALBANY, NY IS AT:
HTTPS://WWW.WEATHER.GOV/ALY/TROPICAL#HTI
USER INFORMATION ABOUT HTI CAN BE FOUND HERE:
HTTPS://WWW.WEATHER.GOV/MEDIA/SRH/TROPICAL/HTI_EXPLANATION.PDF
MORE SPECIFIC DETAILS ON HTI CAN BE FOUND IN THE PRODUCT DESCRIPTION DOCUMENT:
HTTPS://WWW.WEATHER.GOV/MEDIA/SRH/TROPICAL/PDD_HTI.PDF
PERIODIC SOFTWARE AND HARDWARE TESTING IN PREPARATION FOR TROPICAL CYCLONE EVENTS
WILL CONTINUE DURING THE REMAINDER OF 2025.
FOR MORE INFORMATION, PLEASE CONTACT:
CHRISTOPHER GITRO
METEOROLOGIST IN CHARGE
NATIONAL WEATHER SERVICE OFFICE
ALBANY, NY
CHRISTOPHER.GITRO@NOAA.GOV
NATIONAL PUBLIC INFORMATION STATEMENTS ARE ONLINE AT:
HTTPS://WWW.WEATHER.GOV/NOTIFICATION/
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