393
WTNT35 KNHC 200544
TCPAT5
BULLETIN
HURRICANE ERIN INTERMEDIATE ADVISORY NUMBER 35A
NWS NATIONAL HURRICANE CENTER MIAMI FL AL052025
200 AM EDT WED AUG 20 2025
...SWIMMING AT MOST U.S. EAST COAST BEACHES WILL REMAIN DANGEROUS
OVER THE NEXT FEW DAYS DUE TO LIFE-THREATENING RIP CURRENTS...
SUMMARY OF 200 AM EDT...0600 UTC...INFORMATION
----------------------------------------------
LOCATION...28.3N 73.2W
ABOUT 570 MI...920 KM WSW OF BERMUDA
ABOUT 495 MI...795 KM SSE OF CAPE HATTERAS NORTH CAROLINA
MAXIMUM SUSTAINED WINDS...100 MPH...155 KM/H
PRESENT MOVEMENT...NNW OR 345 DEGREES AT 13 MPH...20 KM/H
MINIMUM CENTRAL PRESSURE...954 MB...28.17 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
NONE.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A STORM SURGE WARNING IS IN EFFECT FOR...
* CAPE LOOKOUT TO DUCK, NORTH CAROLINA
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* BEAUFORT INLET, NORTH CAROLINA TO DUCK, NORTH CAROLINA INCLUDING
PAMLICO AND ALBEMARLE SOUNDS.
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* NORTH OF DUCK, NORTH CAROLINA TO CHINCOTEAGUE, VIRGINIA
* BERMUDA
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE
EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN THE NEXT 36 HOURS.
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE
POSSIBLE WITHIN THE WATCH AREA, GENERALLY WITHIN 48 HOURS.
A STORM SURGE WARNING MEANS THERE IS A DANGER OF LIFE-THREATENING
INUNDATION, FROM RISING WATER MOVING INLAND FROM THE COASTLINE,
DURING THE NEXT 36 HOURS IN THE INDICATED LOCATIONS. FOR A DEPICTION
OF AREAS AT RISK, PLEASE SEE THE NATIONAL WEATHER SERVICE STORM
SURGE WATCH/WARNING GRAPHIC, AVAILABLE AT HURRICANES.GOV. THIS IS A
LIFE-THREATENING SITUATION. PERSONS LOCATED WITHIN THESE AREAS
SHOULD TAKE ALL NECESSARY ACTIONS TO PROTECT LIFE AND PROPERTY FROM
RISING WATER AND THE POTENTIAL FOR OTHER DANGEROUS CONDITIONS.
PROMPTLY FOLLOW EVACUATION AND OTHER INSTRUCTIONS FROM LOCAL
OFFICIALS.
INTERESTS ALONG THE U.S MID-ATLANTIC COAST, THE SOUTHERN NEW
ENGLAND COAST, AND ATLANTIC CANADA SHOULD MONITOR THE PROGRESS OF
ERIN.
FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED STATES,
INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS, PLEASE MONITOR
PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST
OFFICE. FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE OF THE
UNITED STATES, PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL
METEOROLOGICAL SERVICE.
DISCUSSION AND OUTLOOK
----------------------
AT 200 AM EDT (0600 UTC), THE CENTER OF HURRICANE ERIN WAS LOCATED
NEAR LATITUDE 28.3 NORTH, LONGITUDE 73.2 WEST. ERIN IS MOVING
TOWARD THE NORTH-NORTHWEST NEAR 13 MPH (20 KM/H). A TURN TOWARD
THE NORTH IS EXPECTED TODAY, FOLLOWED BY A NORTHEASTWARD MOTION ON
THURSDAY. ON THE FORECAST TRACK, THE CENTER OF ERIN WILL MOVE OVER
THE WESTERN ATLANTIC BETWEEN THE U.S. EAST COAST AND BERMUDA TODAY
THROUGH EARLY FRIDAY, AND THEN PASS SOUTH OF ATLANTIC CANADA FRIDAY
AND SATURDAY.
MAXIMUM SUSTAINED WINDS ARE NEAR 100 MPH (155 KM/H) WITH HIGHER
GUSTS. SLOW STRENGTHENING IS EXPECTED THROUGH THURSDAY NIGHT.
ERIN IS A LARGE HURRICANE. HURRICANE-FORCE WINDS EXTEND OUTWARD UP
TO 80 MILES (130 KM) FROM THE CENTER AND TROPICAL-STORM-FORCE WINDS
EXTEND OUTWARD UP TO 230 MILES (370 KM).
DROPSONDE DATA FROM AN AIR FORCE RESERVE HURRICANE HUNTER FLIGHT
INDICATE THAT THE MINIMUM CENTRAL PRESSURE HAS FALLEN TO 954 MB
(28.17 INCHES).
HAZARDS AFFECTING LAND
----------------------
KEY MESSAGES FOR ERIN CAN BE FOUND IN THE TROPICAL CYCLONE
DISCUSSION UNDER AWIPS HEADER MIATCDAT5 AND WMO HEADER WTNT45 KNHC.
RAINFALL: RAINFALL WILL BE DIMINISHING ACROSS THE BAHAMAS THIS
MORNING. HEAVY RAINFALL IS POSSIBLE ON THE OUTER BANKS OF NORTH
CAROLINA TONIGHT INTO THURSDAY, WITH THE POTENTIAL FOR 1 TO 2
INCHES.
FOR A COMPLETE DEPICTION OF FORECAST RAINFALL AND FLASH FLOODING
ASSOCIATED WITH ERIN, PLEASE SEE THE NATIONAL WEATHER SERVICE STORM
TOTAL RAINFALL GRAPHIC, AVAILABLE AT
HURRICANES.GOV/GRAPHICS_AT5.SHTML?RAINQPF
WIND: TROPICAL STORM CONDITIONS ARE EXPECTED OVER PORTIONS OF THE
NORTH CAROLINA OUTER BANKS BEGINNING LATE TODAY OR TONIGHT.
TROPICAL STORM CONDITIONS ARE POSSIBLE IN THE WATCH AREA NORTH OF
DUCK, NORTH CAROLINA TO CAPE CHARLES LIGHT BEGINNING THURSDAY.
TROPICAL STORM CONDITIONS ARE POSSIBLE IN BERMUDA BEGINNING
THURSDAY.
SURF: SWELLS GENERATED BY ERIN WILL AFFECT THE BAHAMAS, BERMUDA,
THE EAST COAST OF THE UNITED STATES, AND ATLANTIC CANADA DURING THE
NEXT SEVERAL DAYS. THESE ROUGH OCEAN CONDITIONS ARE EXPECTED TO
CAUSE LIFE-THREATENING SURF AND RIP CURRENTS. PLEASE CONSULT
PRODUCTS FROM YOUR LOCAL WEATHER FORECAST OFFICE FOR MORE
INFORMATION.
A DEPICTION OF RIP CURRENT RISK FOR THE UNITED STATES CAN BE FOUND
AT: HURRICANES.GOV/GRAPHICS_AT5.SHTML?RIPCURRENTS
STORM SURGE: THE COMBINATION OF A DANGEROUS STORM SURGE AND THE
TIDE WILL CAUSE NORMALLY DRY AREAS NEAR THE COAST TO BE FLOODED BY
RISING WATERS MOVING INLAND FROM THE SHORELINE. THE WATER COULD
REACH THE FOLLOWING HEIGHTS ABOVE GROUND SOMEWHERE IN THE INDICATED
AREAS IF THE PEAK SURGE OCCURS AT THE TIME OF HIGH TIDE...
CAPE LOOKOUT TO DUCK, NORTH CAROLINA...2 TO 4 FT
THE DEEPEST WATER WILL OCCUR ALONG THE IMMEDIATE COAST WHERE THE
SURGE WILL BE ACCOMPANIED BY LARGE AND DANGEROUS WAVES.
SURGE-RELATED FLOODING DEPENDS ON THE RELATIVE TIMING OF THE SURGE
AND THE TIDAL CYCLE, AND CAN VARY GREATLY OVER SHORT DISTANCES. FOR
INFORMATION SPECIFIC TO YOUR AREA, PLEASE SEE PRODUCTS ISSUED BY
YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE.
FOR A COMPLETE DEPICTION OF AREAS AT RISK OF STORM SURGE INUNDATION,
PLEASE SEE THE NATIONAL WEATHER SERVICE PEAK STORM SURGE GRAPHIC,
AVAILABLE AT HURRICANES.GOV/GRAPHICS_AT5.SHTML?PEAKSURGE.
NEXT ADVISORY
-------------
NEXT COMPLETE ADVISORY AT 500 AM EDT.
FORECASTER BERG
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