051  
WTNT35 KNHC 190534  
TCPAT5  
 
BULLETIN  
HURRICANE ERIN INTERMEDIATE ADVISORY NUMBER 31A  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL052025  
200 AM EDT TUE AUG 19 2025  
   
..ERIN SLOWING DOWN WHILE MOVING NORTHWESTWARD  
 
...DANGEROUS RIP CURRENTS EXPECTED ALONG U.S. EAST COAST BEACHES  
DURING THE NEXT SEVERAL DAYS...  
 
 
SUMMARY OF 200 AM EDT...0600 UTC...INFORMATION  
----------------------------------------------  
LOCATION...24.5N 71.8W  
ABOUT 685 MI...1105 KM SW OF BERMUDA  
ABOUT 770 MI...1240 KM SSE OF CAPE HATTERAS NORTH CAROLINA  
MAXIMUM SUSTAINED WINDS...120 MPH...195 KM/H  
PRESENT MOVEMENT...NW OR 320 DEGREES AT 7 MPH...11 KM/H  
MINIMUM CENTRAL PRESSURE...953 MB...28.15 INCHES  
 
 
WATCHES AND WARNINGS  
--------------------  
CHANGES WITH THIS ADVISORY:  
 
NONE.  
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:  
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...  
* TURKS AND CAICOS ISLANDS  
* SOUTHEAST BAHAMAS  
 
A STORM SURGE WATCH IS IN EFFECT FOR...  
* CAPE LOOKOUT TO DUCK, NORTH CAROLINA  
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...  
* CENTRAL BAHAMAS  
* BEAUFORT INLET TO DUCK, NORTH CAROLINA INCLUDING PAMLICO SOUND  
 
A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE  
EXPECTED SOMEWHERE WITHIN THE WARNING AREA.  
 
A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE  
POSSIBLE WITHIN THE WATCH AREA, GENERALLY WITHIN 48 HOURS.  
 
A STORM SURGE WATCH MEANS THERE IS A POSSIBILITY OF LIFE-  
THREATENING INUNDATION, FROM RISING WATER MOVING INLAND FROM THE  
COASTLINE, IN THE INDICATED LOCATIONS DURING THE NEXT 48 HOURS.  
FOR A DEPICTION OF AREAS AT RISK, PLEASE SEE THE NATIONAL WEATHER  
SERVICE STORM SURGE WATCH/WARNING GRAPHIC, AVAILABLE AT  
HURRICANES.GOV.  
 
INTERESTS IN THE NORTHWESTERN BAHAMAS, BERMUDA, AND OTHER PARTS  
OF THE SOUTHEASTERN COAST OF THE UNITED STATES SHOULD MONITOR THE  
PROGRESS OF ERIN.  
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA, 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 24.5 NORTH, LONGITUDE 71.8 WEST. ERIN IS MOVING  
TOWARD THE NORTHWEST NEAR 7 MPH (11 KM/H). A TURN TO THE NORTH IS  
FORECAST LATER TODAY OR TONIGHT. ON THE FORECAST TRACK, THE CORE OF  
ERIN IS EXPECTED TO MOVE AWAY FROM THE SOUTHEASTERN BAHAMAS AND THE  
TURKS AND CAICOS ISLANDS THIS MORNING AND MOVE EAST OF THE REMAINDER  
OF THE BAHAMAS LATER TODAY. THE HURRICANE IS THEN EXPECTED TO MOVE  
BETWEEN BERMUDA AND THE EAST COAST OF THE UNITED STATES BY THE  
MIDDLE OF THE WEEK.  
 
REPORTS FROM AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT INDICATE  
THAT MAXIMUM SUSTAINED WINDS HAVE DECREASED TO AN ESTIMATED 120 MPH  
(195 KM/H) WITH HIGHER GUSTS. ERIN IS A CATEGORY 3 HURRICANE ON THE  
SAFFIR-SIMPSON HURRICANE WIND SCALE. FLUCTUATIONS IN STRENGTH ARE  
EXPECTED DURING THE NEXT COUPLE OF DAYS. HOWEVER, ERIN IS LIKELY TO  
REMAIN A DANGEROUS MAJOR HURRICANE THROUGH THE MIDDLE OF THIS WEEK.  
 
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). A WIND GUST TO 53 MPH (85 KM/H) WAS RECENTLY  
REPORTED AT PROVIDENCIALES IN THE TURKS AND CAICOS ISLANDS.  
 
THE MINIMUM CENTRAL PRESSURE BASED ON DROPSONDE DATA IS 953 MB  
(28.15 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: ERIN WILL PRODUCE LOCALIZED AREAS OF HEAVY RAINFALL ACROSS  
PORTIONS OF THE SOUTHEASTERN BAHAMAS INTO WEDNESDAY. ADDITIONAL  
RAINFALL OF 2 TO 4 INCHES, WITH STORM TOTAL AMOUNTS TO 8 INCHES, IS  
POSSIBLE, WHICH COULD LEAD TO FLASH FLOODING AND URBAN FLOOD  
CONCERNS. PORTIONS OF HISPANIOLA, THE CENTRAL BAHAMAS, AND THE  
TURKS AND CAICOS SHOULD RECEIVE AN ADDITIONAL 1 TO 2 INCHES OF RAIN  
AS WELL.  
 
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 FOR A FEW MORE HOURS  
ACROSS THE TURKS AND CAICOS ISLANDS AND THE SOUTHEAST BAHAMAS.  
TROPICAL STORM CONDITIONS ARE POSSIBLE IN PORTIONS OF THE CENTRAL  
BAHAMAS TODAY. TROPICAL STORM CONDITIONS ARE POSSIBLE OVER PORTIONS  
OF THE NORTH CAROLINA OUTER BANKS BEGINNING LATE WEDNESDAY.  
 
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: MINOR COASTAL FLOODING IS POSSIBLE IN AREAS OF ONSHORE  
WINDS IN THE TURKS AND CAICOS ISLANDS AND THE SOUTHEAST BAHAMAS.  
NEAR THE COAST, THE SURGE WILL BE ACCOMPANIED BY LARGE WAVES.  
 
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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