000 WTNT32 KNHC 310836 TCPAT2 BULLETIN TROPICAL STORM KATIA ADVISORY NUMBER 9 NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011 500 AM AST WED AUG 31 2011 ...KATIA GRADUALLY STRENGTHENING AS IT MOVES QUICKLY WEST-NORTHWESTWARD... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...13.9N 39.1W ABOUT 985 MI...1585 KM W OF THE SOUTHERNMOST CAPE VERDE ISLANDS MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...WNW OR 285 DEGREES AT 21 MPH...33 KM/H MINIMUM CENTRAL PRESSURE...994 MB...29.35 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 500 AM AST...0900 UTC...THE CENTER OF TROPICAL STORM KATIA WAS LOCATED NEAR LATITUDE 13.9 NORTH...LONGITUDE 39.1 WEST. KATIA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 21 MPH...33 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE WITH A GRADUAL DECREASE IN FORWARD SPEED DURING THE NEXT COUPLE OF DAYS. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 65 MPH...100 KM/H... WITH HIGHER GUSTS. ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND KATIA COULD BECOME A HURRICANE LATER TODAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 994 MB...29.35 INCHES. HAZARDS AFFECTING LAND ---------------------- NONE. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 AM AST. $$ FORECASTER BEVEN