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NOUS41 KWBC 041850
PNSWSH
PUBLIC INFORMATION STATEMENT 25-69
NATIONAL WEATHER SERVICE HEADQUARTERS SILVER SPRING MD
150 PM EST TUE NOV 4 2025
TO: SUBSCRIBERS:
-NOAA WEATHER WIRE SERVICE
-EMERGENCY MANAGERS WEATHER INFORMATION NETWORK
-NOAAPORT
OTHER NWS PARTNERS AND EMPLOYEES
FROM: DR. AVICHAL MEHRA
DEPUTY DIRECTOR, OCEAN PREDICTION CENTER
SUBJECT: SOLICITING COMMENTS ON THE NEW EXPERIMENTAL GRAPHICAL
MARINE WIND WARNINGS THROUGH NOVEMBER 1, 2026
THE NATIONAL WEATHER SERVICE (NWS) IS SOLICITING COMMENTS ON THE
EXPERIMENTAL GRAPHICAL MARINE WIND WARNINGS PRODUCED BY THE
NATIONAL HURRICANE CENTER'S (NHC) TROPICAL ANALYSIS AND FORECAST
BRANCH (TAFB) THROUGH NOVEMBER 1, 2026. EXPERIMENTAL GRAPHICAL
MARINE WIND WARNINGS ARE A GRAPHICAL DEPICTION OF OFFICIAL
MARINE WARNINGS, BASED ON CUMULATIVE WIND SPEED (GRIDDED)
FORECASTS WHERE THE RESULTANT WARNING REFLECTS SPECIFIC WIND
SPEED THRESHOLDS.
THIS SERVICE WILL OFFER SHAPEFILES AND STATIC IMAGES OF
GRAPHICAL MARINE WIND WARNINGS FOR THE NEXT 48 HOURS,
ENCOMPASSING ALL OF TAFB’S TROPICAL OCEANIC DOMAINS (ATLANTIC
OCEAN, CARIBBEAN SEA, GULF OF AMERICA, AND PACIFIC OCEAN). THIS
PROPOSAL ENABLES THE DISPLAY OF WIND-BASED WARNINGS IN THE HIGH
SEAS (AREAS OF 34 KT OR GREATER, 48 KT OR GREATER, AND 64 KT OR
GREATER) FOR BOTH THE 0-24 HOUR AND 24-48 HOUR FORECAST PERIODS
–- A CAPABILITY BEYOND THE PREVIOUS WIND SPEED-BASED WARNINGS.
THE EXPERIMENTAL PHASE WILL INVOLVE PROVIDING THIS INFORMATION
LIVE, UPDATED FOUR TIMES DAILY WITH EACH FORECAST CYCLE.
THE INTENT IS FOR THESE EXPERIMENTAL WARNING GRAPHICS TO BE
DISPLAYED IN A USER-FRIENDLY FORMAT FOR INTEGRATION INTO VARIOUS
NAVIGATIONAL SHIP SOFTWARE AND DISPLAYS, SUCH AS ELECTRONIC
CHART DISPLAY AND INFORMATION SYSTEMS (ECDIS). BY ACCESSING
THESE PRODUCTS THAT INDICATE ACTIVE TROPICAL STORM, HURRICANE,
GALE, OR STORM WARNINGS, CAPTAINS AND MATES CAN MAKE BETTER
HAZARDOUS WEATHER AVOIDANCE DECISIONS FOR THEIR VESSELS, CREW,
AND CARGO.
THE EXPERIMENTAL GRAPHICAL MARINE WIND WARNING WILL BE AVAILABLE
AT THE FOLLOWING LINK:
HTTPS://WWW.NHC.NOAA.GOV/GIS/MARINE/WARNINGS/
A DESCRIPTION OF THE EXPERIMENTAL GRAPHICAL MARINE WIND WARNINGS
CAN BE FOUND AT THE FOLLOWING LINK:
HTTPS://NSDESK.SERVICENOWSERVICES.COM/API/G_NOA/NWSPC/RES2/6183E
9E61B283A540D690F67624BCBAB
INPUT ON THE EXPERIMENTAL GRAPHICAL MARINE WIND WARNINGS IS
BEING SOUGHT FROM USERS.
HTTPS://WWW.SURVEYMONKEY.COM/R/EXPGRAPHICALMARINEWINDWARNINGS_20
25
ADDITIONAL COMMENTS MAY BE SENT TO:
CHRISTOPHER W. LANDSEA
CHIEF, NATIONAL HURRICANE CENTER/TROPICAL ANALYSIS AND FORECAST
BRANCH
NATIONAL WEATHER SERVICE
MIAMI, FL
EMAIL: CHRIS.LANDSEA@NOAA.GOV
NATIONAL PUBLIC INFORMATION STATEMENTS ARE ONLINE AT:
HTTPS://WWW.WEATHER.GOV/NOTIFICATION/
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