Subtropical Storm Andrea Forms Off of the East Coast

000
WTNT31 KNHC 091443
TCPAT1
BULLETIN
SUBTROPICAL STORM ANDREA ADVISORY NUMBER 1
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL012007
1100 AM EDT WED MAY 09 2007

...EARLY-SEASON SUBTROPICAL STORM FORMS OFF THE SOUTHEAST U.S. COAST...

SATELLITE IMAGERY AND AIRCRAFT DATA INDICATE THAT THE LOW PRESSURE SYSTEM OFF THE SOUTHEAST U.S. COAST HAS ACQUIRED SUBTROPICAL CHARACTERISTICS.

AT 11 AM EDT...1500 UTC...A TROPICAL STORM WATCH HAS BEEN ISSUED ALONG THE SOUTHEAST COAST OF THE UNITED STATES FROM ALTAMAHA SOUND GEORGIA SOUTHWARD TO FLAGLER BEACH FLORIDA. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN THE NEXT 36 HOURS.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE.

AT 1100 AM EDT...1500Z...THE CENTER OF SUBTROPICAL STORM ANDREA WAS LOCATED NEAR LATITUDE 30.8 NORTH...LONGITUDE 79.3 WEST OR ABOUT 140 MILES...225 KM...SOUTHEAST OF SAVANNAH GEORGIA AND ABOUT 150 MILES ...240 KM...NORTHEAST OF DAYTONA BEACH FLORIDA.

ANDREA IS MOVING GENERALLY TOWARD THE WEST NEAR 3 MPH. A CONTINUED SLOW MOTION AND A GRADUAL TURN TOWARD THE SOUTHWEST ARE EXPECTED DURING THE NEXT 24 HOURS. ALONG THIS TRACK...THE CENTER OF ANDREA IS EXPECTED TO REMAIN OFFSHORE OF THE U.S. COAST THROUGH AT LEAST THURSDAY MORNING.

MAXIMUM SUSTAINED WINDS ARE NEAR 45 MPH...75 KM/HR...WITH HIGHER GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 24 HOURS.

WINDS OF 40 MPH EXTEND OUTWARD UP TO 115 MILES...185 KM...MAINLY TO THE EAST OF THE CENTER.

THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RESERVE RECONNAISSANCE AIRCRAFT WAS 1003 MB...29.62 INCHES.

SINCE THE HEAVIEST RAINS ASSOCIATED WITH ANDREA ARE EXPECTED TO REMAIN OFFSHORE DURING THE NEXT 24 HOURS... ANDREA IS NOT EXPECTED TO PRODUCE SIGNIFICANT RAINFALL OVER ANY LAND AREAS THROUGH AT LEAST THURSDAY MORNING.

REPEATING THE 1100 AM EDT POSITION...30.8 N...79.3 W. MOVEMENT TOWARD...WEST NEAR 3 MPH. MAXIMUM SUSTAINED WINDS...45 MPH. MINIMUM CENTRAL PRESSURE...1003 MB.

AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 200 PM EDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 500 PM EDT.

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FORECASTER KNABB