000 WTNT32 KNHC 042031 TCPAT2 BULLETIN TROPICAL STORM BERTHA ADVISORY NUMBER 7 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL022008 500 PM AST FRI JUL 04 2008 ...BERTHA MOVING WEST-NORTHWESTWARD OVER THE OPEN WATERS OF THE TROPICAL ATLANTIC... AT 500 PM AST...2100Z...THE CENTER OF TROPICAL STORM BERTHA WAS LOCATED NEAR LATITUDE 15.5 NORTH...LONGITUDE 31.6 WEST OR ABOUT 505 MILES...815 KM...WEST OF THE CAPE VERDE ISLANDS. BERTHA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 18 MPH...30 KM/HR. THIS GENERAL MOTION IS EXPECTED TO CONTINUE DURING THE NEXT COUPLE OF DAYS. MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH...85 KM/HR...WITH HIGHER GUSTS. LITTLE CHANGE IN INTENSITY IS FORECAST TONIGHT...BUT SOME GRADUAL STRENGTHENING IS POSSIBLE OVER THE NEXT DAY OR TWO. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 INCHES. REPEATING THE 500 PM AST POSITION...15.5 N...31.6 W. MOVEMENT TOWARD...WEST-NORTHWEST NEAR 18 MPH. MAXIMUM SUSTAINED WINDS...50 MPH. MINIMUM CENTRAL PRESSURE...1000 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 1100 PM AST. $$ FORECASTER BROWN