000 WTNT31 KNHC 082037 TCPAT1 BULLETIN TROPICAL STORM IGOR ADVISORY NUMBER 2 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010 500 PM AST WED SEP 08 2010 ...IGOR CREEPING WESTWARD...SLIGHTLY STRONGER... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...13.9N 23.9W ABOUT 75 MI...120 KM SSW OF PRAIA IN THE CAPE VERDE ISLANDS MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/HR PRESENT MOVEMENT...W OR 275 DEGREES AT 6 MPH...9 KM/HR MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. 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 500 PM AST...2100 UTC...THE CENTER OF TROPICAL STORM IGOR WAS LOCATED NEAR LATITUDE 13.9 NORTH...LONGITUDE 23.9 WEST. IGOR IS MOVING TOWARD THE WEST NEAR 6 MPH...9 KM/HR. A TURN TOWARD THE WEST-NORTHWEST WITH AN INCREASE IN FORWARD SPEED IS EXPECTED ON THURSDAY. ON THE FORECAST TRACK...THE CENTER OF IGOR IS EXPECTED TO PASS SOUTH OF THE CAPE VERDE ISLANDS. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 45 MPH...75 KM/HR...WITH HIGHER GUSTS. SLOW STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND IGOR COULD BECOME A HURRICANE BY THE WEEKEND. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 50 MILES...85 KM FROM THE CENTER. 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 TONIGHT AND EARLY THURSDAY MORNING. RAINFALL...IGOR COULD PRODUCE RAINFALL ACCUMULATIONS OF 1 TO 3 INCHES OVER PORTIONS OF THE CAPE VERDE ISLANDS. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...800 PM AST. NEXT COMPLETE ADVISORY...1100 PM AST. $$ FORECASTER BLAKE/PASCH