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PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
857 AM CDT THU APR 11 2024
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 11, 2024 AND APRIL 25, 2024
THE NATIONAL WEATHER SERVICE (NWS) WEATHER FORECAST OFFICES (WFOS) IN
HONOLULU, SAN JUAN, SAN DIEGO, AND LOS ANGELES ALONG WITH WFOS IN THE
NWS SOUTHERN REGION WEST OF THE MISSISSIPPI RIVER WILL COMMENCE WITH
HURRICANE THREATS AND IMPACTS (HTI) THREAT GRID MOSAIC TESTING ON
THURSDAY, APRIL 11. A SECOND TEST THAT WILL INCLUDE WFOS EAST OF THE
MISSISSIPPI RIVER IS PLANNED FOR APRIL 25.
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.
FOR THE TEST, HTI GRIDS WILL BE CREATED FOR HURRICANE WIND THREAT,
STORM SURGE THREAT, FLOODING RAIN THREAT, AND TORNADO THREAT 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 THE TROPICAL CYCLONE. THESE WEBPAGES USE THE
FOLLOWING URL FORMAT, WHERE “WFO” SHOULD BE REPLACED WITH THE 3
DIGIT IDENTIFIER FOR THE WFO OF INTEREST:
NWS SOUTHERN AND WESTERN REGION (SAN DIEGO AND LOS ANGELES) WFOS:
HTTPS://WWW.WEATHER.GOV/SRH/TROPICAL?OFFICE=WFO#HTI
WFO HONOLULU:
HTTPS://WWW.WEATHER.GOV/HFO/HTI
MORE 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 2024.
FOR MORE INFORMATION, PLEASE CONTACT:
JESSICA SCHAUER
NATIONAL TROPICAL SERVICES PROGRAM MANAGER
MIAMI, FL
TROPICAL.PROGRAM@NOAA.GOV
NATIONAL PUBLIC INFORMATION STATEMENTS ARE ONLINE AT:
HTTPS://WWW.WEATHER.GOV/NOTIFICATION/
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