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#355882 (Received by flhurricane at: 7:55 PM 28.Jun.2010) TCPAT1 BULLETIN TROPICAL STORM ALEX INTERMEDIATE ADVISORY NUMBER 13A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL012010 700 PM CDT MON JUN 28 2010 ...ALEX MOVING LITTLE... SUMMARY OF 700 PM CDT...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...20.6N 91.6W ABOUT 420 MI...675 KM ESE OF TAMPICO MEXICO ABOUT 525 MI...845 KM SE OF BROWNSVILLE TEXAS MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/HR PRESENT MOVEMENT...STATIONARY MINIMUM CENTRAL PRESSURE...990 MB...29.23 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WATCH IS IN EFFECT FOR... * THE COAST OF TEXAS SOUTH OF BAFFIN BAY TO THE MOUTH OF THE RIO GRANDE * THE COAST OF MEXICO FROM THE MOUTH OF THE RIO GRANDE TO LA CRUZ A TROPICAL STORM WATCH IN IN EFFECT FOR... * THE COAST OF TEXAS FROM BAFFIN BAY TO PORT OCONNOR A HURRICANE WARNING COULD BE REQUIRED FOR A PORTION OF THE HURRICANE WATCH AREA TONIGHT. A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED STATES...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE. FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 700 PM CDT...0000 UTC...THE CENTER OF TROPICAL STORM ALEX WAS LOCATED NEAR LATITUDE 20.6 NORTH...LONGITUDE 91.6 WEST. ALEX HAS BEEN NEARLY STATIONARY OVER THE PAST FEW HOURS...BUT IS EXPECTED TO RESUME A NORTH-NORTWESTWARD MOTION NEAR 5 MPH...7 KM/HR...TONIGHT. AN INCREASE IN FORWARD SPEED AND A TURN TOWARD THE NORTHWEST ARE EXPECTED ON TUESDAY...FOLLOWED BY A TURN TOWARD THE WEST-NORTHWEST ON WEDNESDAY. ON THE FORECAST TRACK...ALEX WILL MOVE ACROSS THE SOUTHERN GULF OF MEXICO AND APPROACH THE COAST WITHIN THE HURRICANE WATCH AREA LATE WEDNESDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 60 MPH...95 KM/HR...WITH HIGHER GUSTS. SOME STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS... AND ALEX IS EXPECTED TO BECOME A HURRICANE ON TUESDAY. A HURRICANE HUNTER PLANE IS CURRENTLY APPROACHING THE CENTER OF ALEX. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM FROM THE CENTER. AN AUTOMATED STATION FROM THE MEXICAN NAVY AT CAYO ARCAS...LOCATED JUST TO THE SOUTHWEST OF THE CENTER OF ALEX... RECENTLY REPORTED A SUSTAINED WIND OF 38 MPH...61 KM/HR...AND A GUST OF 45 MPH...73 KM/HR. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 990 MB...29.23 INCHES. HAZARDS AFFECTING LAND ---------------------- RAINFALL...ALEX IS EXPECTED TO PRODUCE ADDITIONAL RAINFALL ACCUMULATIONS OF 3 TO 6 INCHES OVER SOUTHERN MEXICO AND THE YUCATAN PENINSULA THROUGH TUESDAY. ISOLATED MAXIMUM AMOUNTS OF 10 INCHES ARE POSSIBLE OVER MOUNTAINOUS AREAS. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. HEAVY RAINS COULD REACH THE COASTAL AREAS OF TAMAULIPAS AND NORTHERN VERACRUZ OF MEXICO AND SOUTH TEXAS TUESDAY NIGHT AND WEDNESDAY. WIND...TROPICAL STORM CONDITIONS ARE EXPECTED TO APPROACH THE COAST WITHIN THE HURRICANE AND TROPICAL STORM WATCH AREAS ON WEDNESDAY... MAKING OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1000 PM CDT. $$ FORECASTER PASCH/KIMBERLAIN |