000 WTNT31 KNHC 301747 TCPAT1 BULLETIN TROPICAL STORM ARLENE INTERMEDIATE ADVISORY NUMBER 8A NWS NATIONAL HURRICANE CENTER MIAMI FL AL012011 100 PM CDT THU JUN 30 2011 ...ARLENE WEAKENS AS IT MOVES FARTHER INLAND... SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...21.5N 98.1W ABOUT 55 MI...90 KM SSW OF TAMPICO MEXICO ABOUT 60 MI...95 KM NNW OF TUXPAN MEXICO MAXIMUM SUSTAINED WINDS...50 MPH...80 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 7 MPH...11 KM/H MINIMUM CENTRAL PRESSURE...997 MB...29.44 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * LA PESCA MEXICO SOUTHWARD TO PALMA SOLA MEXICO FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 100 PM CDT...1800 UTC...THE CENTER OF TROPICAL STORM ARLENE WAS LOCATED NEAR LATITUDE 21.5 NORTH...LONGITUDE 98.1 WEST. ARLENE IS MOVING TOWARD THE WEST NEAR 7 MPH...11 KM/H...AND A GENERAL WESTWARD TO WEST-SOUTHWESTWARD MOTION IS FORECAST DURING THE NEXT 24 TO 36 HOURS. ON THE FORECAST TRACK...THE CENTER OF ARLENE WILL MOVE FARTHER INLAND OVER MAINLAND MEXICO THIS AFTERNOON. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 50 MPH... 80 KM/H...WITH HIGHER GUSTS. CONTINUED WEAKENING IS FORECAST DURING THE NEXT 24 TO 36 HOURS...AND ARLENE IS EXPECTED TO DISSIPATE OVER THE MOUNTAINS OF CENTRAL MEXICO BY FRIDAY OR FRIDAY NIGHT. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM MAINLY OVER WATER TO THE EAST OF THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 997 MB...29.44 INCHES. HAZARDS AFFECTING LAND ---------------------- RAINFALL...ARLENE IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 4 TO 8 INCHES OVER EASTERN AND NORTHEASTERN MEXICO...WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 15 INCHES OVER MOUNTAINOUS TERRAIN. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. WIND...TROPICAL STORM CONDITIONS WILL CONTINUE TO SPREAD INLAND THROUGH PORTIONS OF EASTERN MEXICO TODAY. STORM SURGE...A STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 1 TO 3 FEET ABOVE NORMAL TIDE LEVELS ALONG THE IMMEDIATE COAST NEAR AND TO THE NORTH OF CABO ROJO. NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DESTRUCTIVE WAVES. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...400 PM CDT. $$ FORECASTER BEVEN 000 WTNT31 KNHC 301747 TCPAT1 BULLETIN TROPICAL STORM ARLENE INTERMEDIATE ADVISORY NUMBER 8A NWS NATIONAL HURRICANE CENTER MIAMI FL AL012011 100 PM CDT THU JUN 30 2011 ...ARLENE WEAKENS AS IT MOVES FARTHER INLAND... SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...21.5N 98.1W ABOUT 55 MI...90 KM SSW OF TAMPICO MEXICO ABOUT 60 MI...95 KM NNW OF TUXPAN MEXICO MAXIMUM SUSTAINED WINDS...50 MPH...80 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 7 MPH...11 KM/H MINIMUM CENTRAL PRESSURE...997 MB...29.44 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * LA PESCA MEXICO SOUTHWARD TO PALMA SOLA MEXICO FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 100 PM CDT...1800 UTC...THE CENTER OF TROPICAL STORM ARLENE WAS LOCATED NEAR LATITUDE 21.5 NORTH...LONGITUDE 98.1 WEST. ARLENE IS MOVING TOWARD THE WEST NEAR 7 MPH...11 KM/H...AND A GENERAL WESTWARD TO WEST-SOUTHWESTWARD MOTION IS FORECAST DURING THE NEXT 24 TO 36 HOURS. ON THE FORECAST TRACK...THE CENTER OF ARLENE WILL MOVE FARTHER INLAND OVER MAINLAND MEXICO THIS AFTERNOON. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 50 MPH... 80 KM/H...WITH HIGHER GUSTS. CONTINUED WEAKENING IS FORECAST DURING THE NEXT 24 TO 36 HOURS...AND ARLENE IS EXPECTED TO DISSIPATE OVER THE MOUNTAINS OF CENTRAL MEXICO BY FRIDAY OR FRIDAY NIGHT. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM MAINLY OVER WATER TO THE EAST OF THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 997 MB...29.44 INCHES. HAZARDS AFFECTING LAND ---------------------- RAINFALL...ARLENE IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 4 TO 8 INCHES OVER EASTERN AND NORTHEASTERN MEXICO...WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 15 INCHES OVER MOUNTAINOUS TERRAIN. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. WIND...TROPICAL STORM CONDITIONS WILL CONTINUE TO SPREAD INLAND THROUGH PORTIONS OF EASTERN MEXICO TODAY. STORM SURGE...A STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 1 TO 3 FEET ABOVE NORMAL TIDE LEVELS ALONG THE IMMEDIATE COAST NEAR AND TO THE NORTH OF CABO ROJO. NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DESTRUCTIVE WAVES. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...400 PM CDT. $$ FORECASTER BEVEN