500  
WTNT35 KNHC 181152  
TCPAT5  
 
BULLETIN  
HURRICANE ERIN INTERMEDIATE ADVISORY NUMBER 28A  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL052025  
800 AM EDT MON AUG 18 2025  
 
...LARGE AND POWERFUL HURRICANE ERIN LOCATED JUST EAST OF THE  
SOUTHEAST BAHAMAS...  
...LIFE-THREATENING SURF AND RIP CURRENTS LIKELY ACROSS THE U.S.  
EASTERN SEABOARD THIS WEEK...  
 
 
SUMMARY OF 800 AM EDT...1200 UTC...INFORMATION  
----------------------------------------------  
LOCATION...23.1N 70.5W  
ABOUT 115 MI...190 KM NNE OF GRAND TURK ISLAND  
ABOUT 890 MI...1430 KM SSE OF CAPE HATTERAS NORTH CAROLINA  
MAXIMUM SUSTAINED WINDS...130 MPH...215 KM/H  
PRESENT MOVEMENT...NW OR 305 DEGREES AT 13 MPH...20 KM/H  
MINIMUM CENTRAL PRESSURE...933 MB...27.55 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 TROPICAL STORM WATCH IS IN EFFECT FOR...  
* CENTRAL BAHAMAS  
 
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, IN THIS CASE WITHIN 12 TO 24 HOURS.  
 
INTERESTS IN THE NORTHWESTERN BAHAMAS, THE NORTH CAROLINA OUTER  
BANKS, AND BERMUDA 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 800 AM EDT (1200 UTC), THE CENTER OF HURRICANE ERIN WAS LOCATED  
NEAR LATITUDE 23.1 NORTH, LONGITUDE 70.5 WEST. ERIN IS MOVING TOWARD  
THE NORTHWEST NEAR 13 MPH (20 KM/H). A GRADUAL TURN TO THE  
NORTH IS EXPECTED LATER TODAY AND ON TUESDAY. ON THE FORECAST  
TRACK, THE CORE OF ERIN IS EXPECTED TO PASS TO THE EAST OF THE  
SOUTHEASTERN BAHAMAS TODAY AND MOVE BETWEEN BERMUDA AND THE EAST  
COAST OF THE UNITED STATES BY THE MIDDLE OF THE WEEK.  
 
MAXIMUM SUSTAINED WINDS ARE NEAR 130 MPH (215 KM/H) WITH HIGHER  
GUSTS. ERIN IS A CATEGORY 4 HURRICANE ON THE SAFFIR-SIMPSON  
HURRICANE WIND SCALE. SOME ADDITIONAL STRENGTHENING IS EXPECTED  
TODAY. ERIN WILL 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).  
 
THE MINIMUM CENTRAL PRESSURE ESTIMATED FROM HURRICANE HUNTER  
OBSERVATIONS IS 933 MB (27.55 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: OUTER BANDS OF ERIN WILL PRODUCE LOCALIZED AREAS OF HEAVY  
RAINFALL ACROSS PORTIONS OF HISPANIOLA THROUGH TODAY AND THROUGH  
TUESDAY FOR THE TURKS AND CAICOS AND PORTIONS OF THE SOUTHEAST  
AND CENTRAL BAHAMAS. ADDITIONAL RAINFALL OF 2 TO 4 INCHES, WITH  
LOCALLY HIGHER AMOUNTS TO 6 INCHES, ARE FORECAST.  
 
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 TODAY ACROSS THE TURKS  
AND CAICOS ISLANDS AND THE SOUTHEAST BAHAMAS. TROPICAL STORM  
CONDITIONS ARE POSSIBLE IN PORTIONS OF THE CENTRAL BAHAMAS LATE  
TODAY THROUGH TUESDAY.  
 
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 WILL LIKELY 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.  
 
 
NEXT ADVISORY  
-------------  
NEXT COMPLETE ADVISORY AT 1100 AM EDT.  
 

 
FORECASTER PASCH/ROBERTS  
 
 
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