000 WTNT31 KNHC 012033 TCPAT1 BULLETIN TROPICAL STORM ALEX ADVISORY NUMBER 25 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL012010 400 PM CDT THU JUL 01 2010 ...ALEX MOVING OVER CENTRAL MEXICO...LARGE AREA OF HEAVY RAIN OCCURRING... SUMMARY OF 400 PM CDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...23.2N 101.2W ABOUT 220 MI...355 KM W OF LA PESCA MEXICO ABOUT 95 MI...155 KM ENE OF ZACATECAS MEXICO MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/HR PRESENT MOVEMENT...W OR 270 DEGREES AT 13 MPH...20 KM/HR MINIMUM CENTRAL PRESSURE...990 MB...29.23 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 400 PM CDT...2100 UTC...THE CENTER OF TROPICAL STORM ALEX WAS LOCATED NEAR LATITUDE 23.2 NORTH...LONGITUDE 101.2 WEST. ALEX IS MOVING TOWARD THE WEST NEAR 13 MPH...20 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE UNTIL THE SYSTEM DISSIPATES OVERNIGHT. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 40 MPH...65 KM/HR...WITH HIGHER GUSTS. FURTHER WEAKENING IS FORECAST DURING THE NEXT 24 HOURS AND ALEX IS EXPECTED TO DISSIPATE OVER THE HIGH TERRAIN OF MEXICO OVERNIGHT. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 120 MILES...195 KM FROM THE CENTER. 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 ACROSS PORTIONS OF NORTHERN AND CENTRAL MEXICO. ISOLATED STORM-TOTAL AMOUNTS OF 20 INCHES ARE POSSIBLE OVER THE HIGHER ELEVATIONS OF NORTHEASTERN MEXICO. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES...ESPECIALLY IN MOUNTAINOUS TERRAIN. ALEX IS EXPECTED TO PRODUCE ADDITIONAL RAINFALL ACCUMULATIONS OF 2 TO 4 INCHES OVER PORTIONS OF SOUTHERN TEXAS...WITH ISOLATED MAXIMUM STORM-TOTAL AMOUNTS OF AROUND 12 INCHES. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS. WIND...TROPICAL STORM CONDITIONS ARE OCCURRING IN A SMALL AREA INLAND NEAR THE CENTER. THESE WINDS WILL GRADUALLY DECREASE TODAY. TORNADOES...ISOLATED TORNADOES ARE POSSIBLE OVER PORTIONS OF EXTREME SOUTHERN TEXAS THROUGH TONIGHT. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1000 PM CDT. $$ FORECASTER BLAKE