000 WTNT34 KNHC 212034 TCPAT4 BULLETIN TROPICAL STORM LISA ADVISORY NUMBER 4 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL142010 500 PM EDT TUE SEP 21 2010 ...LISA GETTING BETTER ORGANIZED AS IT DRIFTS NORTHWARD OVER THE FAR EASTERN TROPICAL ATLANTIC... SUMMARY OF 500 PM EDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...18.3N 31.6W ABOUT 525 MI...845 KM WNW OF THE CAPE VERDE ISLANDS MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/HR PRESENT MOVEMENT...N OR 360 DEGREES AT 2 MPH...4 KM/HR MINIMUM CENTRAL PRESSURE...1002 MB...29.59 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 500 PM EDT...2100 UTC...THE CENTER OF TROPICAL STORM LISA WAS LOCATED NEAR LATITUDE 18.3 NORTH...LONGITUDE 31.6 WEST. LISA IS MOVING TOWARD THE NORTH NEAR 2 MPH...4 KM/HR...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS. A TURN TOWARD THE NORTH-NORTHWEST IS EXPECTED BY LATE WEDNESDAY... FOLLOWED BY A TURN TOWARD THE WEST-NORTHWEST ON THURSDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 45 MPH...75 KM/HR...WITH HIGHER GUSTS. SOME STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS... AND LISA COULD POSSIBLY BECOME A HURRICANE BY THURSDAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 40 MILES...65 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1002 MB...29.59 INCHES. HAZARDS AFFECTING LAND ---------------------- NONE. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 PM EDT. $$ FORECASTER STEWART