000 WTNT31 KNHC 081459 TCPAT1 BULLETIN TROPICAL STORM IGOR ADVISORY NUMBER 1 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010 1100 AM AST WED SEP 08 2010 ...IGOR FORMS IN THE FAR EASTERN TROPICAL ATLANTIC OCEAN...TROPICAL STORM WATCH ISSUED FOR SOUTHERN CAPE VERDE ISLANDS... SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION ----------------------------------------------- LOCATION...13.7N 23.5W ABOUT 95 MI...155 KM SE OF THE SOUTHERNMOST CAPE VERDE ISLANDS MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/HR PRESENT MOVEMENT...W OR 265 DEGREES AT 8 MPH...13 KM/HR MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE GOVERNMENT OF THE CAPE VERDE ISLANDS HAS ISSUED A TROPICAL STORM WATCH FOR THE SOUTHERN CAPE VERDE ISLANDS...INCLUDING MAIO...SAO TIAGO...FOGO..AND BRAVA. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WATCH IS IN EFFECT FOR... * THE SOUTHERN CAPE VERDE ISLANDS...INCLUDING MAIO...SAO TIAGO... FOGO...AND BRAVA A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN THE NEXT 12 TO 24 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1100 AM AST...1500 UTC...THE CENTER OF TROPICAL STORM IGOR WAS LOCATED NEAR LATITUDE 13.7 NORTH...LONGITUDE 23.5 WEST. IGOR IS MOVING TOWARD THE WEST NEAR 8 MPH...13 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS WITH SOME INCREASE IN FORWARD SPEED. ON THE FORECAST TRACK...THE CENTER OF IGOR SHOULD PASS SOUTH OF THE CAPE VERDE ISLANDS BY TOMORROW. DATA FROM A MICROWAVE SATELLITE INDICATE THAT MAXIMUM SUSTAINED WINDS ARE NEAR 40 MPH...65 KM/HR...WITH HIGHER GUSTS. SLOW STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 50 MILES...85 KM FROM THE CENTER. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1005 MB...29.68 INCHES. HAZARDS AFFECTING LAND ---------------------- WINDS... TROPICAL STORM CONDITIONS ARE POSSIBLE IN THE SOUTHERN CAPE VERDE ISLANDS LATER TODAY AND OVERNIGHT. RAINFALL...IGOR COULD PRODUCE RAINFALL ACCUMULATIONS OF 1 TO 3 INCHES OVER PORTIONS OF THE CAPE VERDE ISLANDS. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...200 PM AST. NEXT COMPLETE ADVISORY...500 PM AST. $$ FORECASTER BLAKE/PASCH