286
WTNT34 KNHC 010241
TCPAT4
BULLETIN
HURRICANE IMELDA ADVISORY NUMBER 18
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092025
1100 PM EDT TUE SEP 30 2025
..IMELDA FORECAST TO ACCELERATE TOWARD BERMUDA
...EXPECTED TO BRING HURRICANE CONDITIONS TO THE ISLAND
WEDNESDAY EVENING...
SUMMARY OF 1100 PM EDT...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...29.7N 73.9W
ABOUT 565 MI...915 KM WSW OF BERMUDA
MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H
PRESENT MOVEMENT...ENE OR 70 DEGREES AT 15 MPH...24 KM/H
MINIMUM CENTRAL PRESSURE...977 MB...28.85 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
NONE.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A HURRICANE WARNING IS IN EFFECT FOR...
* BERMUDA
A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED
SOMEWHERE WITHIN THE WARNING AREA. PREPARATIONS TO PROTECT LIFE
AND PROPERTY SHOULD BE RUSHED TO COMPLETION.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA, PLEASE MONITOR
PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE.
DISCUSSION AND OUTLOOK
----------------------
AT 1100 PM EDT (0300 UTC), THE CENTER OF HURRICANE IMELDA WAS
LOCATED NEAR LATITUDE 29.7 NORTH, LONGITUDE 73.9 WEST. IMELDA IS
MOVING TOWARD THE EAST-NORTHEAST NEAR 15 MPH (24 KM/H). A MUCH
FASTER EAST-NORTHEAST TO NORTHEAST MOTION IS EXPECTED OVER THE NEXT
COUPLE OF DAYS. ON THE FORECAST TRACK, THE CORE OF THE HURRICANE
WILL BE NEAR BERMUDA WEDNESDAY EVENING.
MAXIMUM SUSTAINED WINDS ARE NEAR 85 MPH (140 KM/H) WITH HIGHER
GUSTS. SOME ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT
DAY OR SO. IMELDA IS THEN EXPECTED TO BECOME AN EXTRATROPICAL LOW
IN A COUPLE OF DAYS.
HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 60 MILES (95 KM) FROM THE
CENTER AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 160 MILES
(260 KM).
THE ESTIMATED MINIMUM CENTRAL PRESSURE BASED ON DATA FROM THE AIR
FORCE HURRICANE HUNTERS IS 977 MB (28.85 INCHES).
HAZARDS AFFECTING LAND
----------------------
KEY MESSAGES FOR HURRICANE IMELDA CAN BE FOUND IN THE TROPICAL
CYCLONE DISCUSSION UNDER AWIPS HEADER MIATCDAT4 AND WMO HEADER
WTNT44 KNHC.
WIND: HURRICANE CONDITIONS ARE EXPECTED OVER BERMUDA BY WEDNESDAY
EVENING, WITH TROPICAL STORM CONDITIONS LIKELY BY WEDNESDAY
AFTERNOON.
RAINFALL: ACROSS BERMUDA, 2 TO 4 INCHES (50 TO 100 MM) OF RAINFALL
ARE EXPECTED FROM WEDNESDAY INTO THURSDAY, WHICH COULD LEAD TO
FLASH FLOODING.
STORM SURGE: IN BERMUDA, A DANGEROUS STORM SURGE IS EXPECTED TO
PRODUCE COASTAL FLOODING IN AREAS OF ONSHORE WINDS. THE SURGE WILL
BE ACCOMPANIED BY LARGE AND DAMAGING WAVES.
SURF: SWELLS GENERATED BY HURRICANE IMELDA AND HURRICANE HUMBERTO
ARE AFFECTING THE BAHAMAS, BERMUDA, AND MUCH OF THE U.S. EAST COAST.
THESE SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF AND RIP
CURRENT CONDITIONS. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER
OFFICE.
A DEPICTION OF RIP CURRENT RISK FOR THE UNITED STATES CAN BE FOUND
AT: HURRICANES.GOV/GRAPHICS_AT4.SHTML?RIPCURRENTS
NEXT ADVISORY
-------------
NEXT INTERMEDIATE ADVISORY AT 200 AM EDT.
NEXT COMPLETE ADVISORY AT 500 AM EDT.
FORECASTER CANGIALOSI
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