000 WTNT31 KNHC 300550 TCPAT1 BULLETIN TROPICAL STORM ARLENE INTERMEDIATE ADVISORY NUMBER 6A NWS NATIONAL HURRICANE CENTER MIAMI FL AL012011 100 AM CDT THU JUN 30 2011 ...ARLENE NEARING THE COAST OF MEXICO WITH NO CHANGE IN STRENGTH... SUMMARY OF 100 AM CDT...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...21.6N 97.0W ABOUT 50 MI...80 KM NNE OF TUXPAN MEXICO ABOUT 70 MI...115 KM SE OF TAMPICO MEXICO MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...996 MB...29.41 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * THE COAST OF EASTERN MEXICO FROM BARRA DE NAUTLA NORTHWARD TO LA CRUZ A TROPICAL STORM WARNING IS IN EFFECT FOR... * LA CRUZ NORTHWARD TO LA PESCA MEXICO * PALMA SOLA SOUTHWARD TO VERACRUZ MEXICO A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 12 HOURS. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD ALREADY HAVE BEEN COMPLETED. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 100 AM CDT...0600 UTC...THE CENTER OF TROPICAL STORM ARLENE WAS LOCATED NEAR LATITUDE 21.6 NORTH...LONGITUDE 97.0 WEST. THIS POSITION IS ABOUT 20 MILES EAST OF CABO ROJO MEXICO. ARLENE IS MOVING TOWARD THE WEST NEAR 9 MPH...15 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE UNTIL LANDFALL. ON THE FORECAST TRACK...THE CENTER WILL CROSS THE COAST IN THE WARNING AREA DURING THE NEXT FEW HOURS. MAXIMUM SUSTAINED WINDS REMAIN NEAR 60 MPH...95 KM/H...WITH HIGHER GUSTS. SOME STRENGTHENING IS STILL POSSIBLE PRIOR TO LANDFALL. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM FROM THE CENTER. ISLA LOBOS MEXICO RECENTLY REPORTED A WIND GUST TO 42 MPH...68 KM/H. ESTIMATED MINIMUM CENTRAL PRESSURE IS 996 MB...29.41 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 HAVE REACHED PORTIONS OF THE WARNING AREA AND WILL CONTINUE TO SPREAD ONSHORE THROUGH THIS MORNING. ALTHOUGH HURRICANE CONDITIONS ARE POSSIBLE WITHIN PORTIONS OF THE WARNING AREA DURING THE NEXT FEW HOURS...THE LIKELIHOOD OF ARLENE BECOMING A HURRICANE PRIOR TO LANDFALL IS DECREASING. STORM SURGE...A STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 2 TO 4 FEET ABOVE NORMAL TIDE LEVELS ALONG THE IMMEDIATE COAST NEAR AND TO THE NORTH OF WHERE THE CENTER MAKES LANDFALL. NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DESTRUCTIVE WAVES. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...400 AM CDT. $$ FORECASTER BLAKE/FRANKLIN 000 WTNT31 KNHC 300550 TCPAT1 BULLETIN TROPICAL STORM ARLENE INTERMEDIATE ADVISORY NUMBER 6A NWS NATIONAL HURRICANE CENTER MIAMI FL AL012011 100 AM CDT THU JUN 30 2011 ...ARLENE NEARING THE COAST OF MEXICO WITH NO CHANGE IN STRENGTH... SUMMARY OF 100 AM CDT...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...21.6N 97.0W ABOUT 50 MI...80 KM NNE OF TUXPAN MEXICO ABOUT 70 MI...115 KM SE OF TAMPICO MEXICO MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...996 MB...29.41 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * THE COAST OF EASTERN MEXICO FROM BARRA DE NAUTLA NORTHWARD TO LA CRUZ A TROPICAL STORM WARNING IS IN EFFECT FOR... * LA CRUZ NORTHWARD TO LA PESCA MEXICO * PALMA SOLA SOUTHWARD TO VERACRUZ MEXICO A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 12 HOURS. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD ALREADY HAVE BEEN COMPLETED. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 100 AM CDT...0600 UTC...THE CENTER OF TROPICAL STORM ARLENE WAS LOCATED NEAR LATITUDE 21.6 NORTH...LONGITUDE 97.0 WEST. THIS POSITION IS ABOUT 20 MILES EAST OF CABO ROJO MEXICO. ARLENE IS MOVING TOWARD THE WEST NEAR 9 MPH...15 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE UNTIL LANDFALL. ON THE FORECAST TRACK...THE CENTER WILL CROSS THE COAST IN THE WARNING AREA DURING THE NEXT FEW HOURS. MAXIMUM SUSTAINED WINDS REMAIN NEAR 60 MPH...95 KM/H...WITH HIGHER GUSTS. SOME STRENGTHENING IS STILL POSSIBLE PRIOR TO LANDFALL. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM FROM THE CENTER. ISLA LOBOS MEXICO RECENTLY REPORTED A WIND GUST TO 42 MPH...68 KM/H. ESTIMATED MINIMUM CENTRAL PRESSURE IS 996 MB...29.41 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 HAVE REACHED PORTIONS OF THE WARNING AREA AND WILL CONTINUE TO SPREAD ONSHORE THROUGH THIS MORNING. ALTHOUGH HURRICANE CONDITIONS ARE POSSIBLE WITHIN PORTIONS OF THE WARNING AREA DURING THE NEXT FEW HOURS...THE LIKELIHOOD OF ARLENE BECOMING A HURRICANE PRIOR TO LANDFALL IS DECREASING. STORM SURGE...A STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 2 TO 4 FEET ABOVE NORMAL TIDE LEVELS ALONG THE IMMEDIATE COAST NEAR AND TO THE NORTH OF WHERE THE CENTER MAKES LANDFALL. NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DESTRUCTIVE WAVES. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...400 AM CDT. $$ FORECASTER BLAKE/FRANKLIN