000 WTNT31 KNHC 110233 TCPAT1 BULLETIN TROPICAL STORM IGOR ADVISORY NUMBER 11 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL112010 1100 PM AST FRI SEP 10 2010 ...IGOR GRADUALLY INTENSIFYING OVER THE EASTERN TROPICAL ATLANTIC... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...17.1N 34.9W ABOUT 725 MI...1170 KM W OF THE CAPE VERDE ISLANDS MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/HR PRESENT MOVEMENT...WNW OR 285 DEGREES AT 21 MPH...33 KM/HR MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1100 PM AST...0300 UTC...THE CENTER OF TROPICAL STORM IGOR WAS LOCATED NEAR LATITUDE 17.1 NORTH...LONGITUDE 34.9 WEST. IGOR IS MOVING TOWARD THE WEST-NORTHWEST NEAR 21 MPH...33 KM/HR. A TURN TO THE WEST AND A DECREASE IN FORWARD SPEED IS EXPECTED OVER THE WEEKEND. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO 50 MPH...85 KM/HR...WITH HIGHER GUSTS. ADDITIONAL STRENGTHENING IS EXPECTED DURING THE NEXT 48 HOURS AND IGOR IS FORECAST TO BECOME A HURRICANE BY SUNDAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 INCHES. HAZARDS AFFECTING LAND ---------------------- NONE. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...500 AM AST. $$ FORECASTER KIMBERLAIN/MUSHER