739  
ABNT20 KNHC 182343  
TWOAT  
 
TROPICAL WEATHER OUTLOOK  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
800 PM EDT THU JUN 18 2026  
 
FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF AMERICA:  
 
OFFSHORE THE EAST COAST OF THE UNITED STATES (REMNANTS OF ARTHUR):  
SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A TROUGH OF LOW PRESSURE  
(THE REMNANTS OF ARTHUR) ARE LOCATED OVER THE SOUTHEASTERN UNITED  
STATES. THE SYSTEM IS EXPECTED TO EMERGE OFFSHORE THE EAST COAST OF  
THE UNITED STATES ON FRIDAY. ENVIRONMENTAL CONDITIONS THEN APPEAR TO  
BE MARGINALLY CONDUCIVE FOR SOME SUBTROPICAL OR TROPICAL DEVELOPMENT  
ON FRIDAY OR SATURDAY AS THE SYSTEM MOVES NORTHEASTWARD AT 15 TO 20  
MPH ACROSS THE WESTERN ATLANTIC OCEAN.  
 
REGARDLESS OF DEVELOPMENT, HEAVY RAINFALL WITH THE POTENTIAL FOR  
WIDESPREAD AND LIFE-THREATENING FLASH FLOODING IS LIKELY ACROSS  
PORTIONS OF THE SOUTHEAST UNITED STATES DURING THE NEXT DAY OR TWO.  
ADDITIONAL INFORMATION ON THE RAINFALL POTENTIAL CAN BE FOUND IN  
RAINFALL FORECASTS AND EXCESSIVE RAINFALL OUTLOOKS FROM THE WEATHER  
PREDICTION CENTER ONLINE AT WWW.WPC.NCEP.NOAA.GOV. MORE INFORMATION  
ON THIS SYSTEM, INCLUDING GALE WARNINGS, IS AVAILABLE IN HIGH SEAS  
FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE UNDER AWIPS HEADER  
NFDHSFAT1, WMO HEADER FZNT01 KWBC, AND ONLINE AT  
OCEAN.WEATHER.GOV/SHTML/NFDHSFAT1.PHP  
FORMATION CHANCE THROUGH 48 HOURS...LOW...10 PERCENT.  
FORMATION CHANCE THROUGH 7 DAYS...LOW...10 PERCENT.  
 
 
FORECASTER BEVEN  
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