000 WTNT31 KNHC 291742 TCPAT1 BULLETIN TROPICAL STORM ARLENE INTERMEDIATE ADVISORY NUMBER 4A NWS NATIONAL HURRICANE CENTER MIAMI FL AL012011 100 PM CDT WED JUN 29 2011 ...ARLENE MOVING CLOSER TO THE COAST OF MEXICO... SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...21.1N 95.9W ABOUT 95 MI...155 KM E OF TUXPAN MEXICO ABOUT 150 MI...240 KM ESE OF TAMPICO MEXICO MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 8 MPH...13 KM/H MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE GOVERNMENT OF MEXICO HAS EXTENDED THE HURRICANE WATCH SOUTHWARD TO BARRA DE NAUTLA...AND EXTENDED THE TROPICAL STORM WARNING SOUTHWARD TO PALMA SOLA. THE GOVERNMENT OF MEXICO HAS DISCONTINUED THE TROPICAL STORM WARNING NORTH OF LA PESCA. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WATCH 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... * THE COAST OF EASTERN MEXICO FROM PALMA SOLA NORTHWARD TO LA PESCA A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 24 HOURS. 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 21.1 NORTH...LONGITUDE 95.9 WEST. ARLENE IS MOVING TOWARD THE WEST NEAR 8 MPH...13 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT DAY OR TWO. ON THE FORECAST TRACK...THE CENTER WILL CROSS THE COAST WITHIN THE WARNING AREA EARLY THURSDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH...85 KM/H...WITH HIGHER GUSTS. STRENGTHENING IS FORECAST...AND ARLENE COULD APPROACH HURRICANE STRENGTH PRIOR TO LANDFALL. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM FROM THE CENTER. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 INCHES. HAZARDS AFFECTING LAND ---------------------- RAINFALL...ARLENE IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 4 TO 8 INCHES OVER THE MEXICAN STATES OF TAMAULIPAS...VERACRUZ...EASTERN SAN LUIS POTOSI...AND EASTERN NUEVO LEON...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 ARE EXPECTED TO REACH THE COAST WITHIN THE WARNING AREA BY THIS EVENING...WHICH COULD MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. 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 PM CDT. $$ FORECASTER PASCH/BEVEN 000 WTNT31 KNHC 291742 TCPAT1 BULLETIN TROPICAL STORM ARLENE INTERMEDIATE ADVISORY NUMBER 4A NWS NATIONAL HURRICANE CENTER MIAMI FL AL012011 100 PM CDT WED JUN 29 2011 ...ARLENE MOVING CLOSER TO THE COAST OF MEXICO... SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...21.1N 95.9W ABOUT 95 MI...155 KM E OF TUXPAN MEXICO ABOUT 150 MI...240 KM ESE OF TAMPICO MEXICO MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...W OR 270 DEGREES AT 8 MPH...13 KM/H MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE GOVERNMENT OF MEXICO HAS EXTENDED THE HURRICANE WATCH SOUTHWARD TO BARRA DE NAUTLA...AND EXTENDED THE TROPICAL STORM WARNING SOUTHWARD TO PALMA SOLA. THE GOVERNMENT OF MEXICO HAS DISCONTINUED THE TROPICAL STORM WARNING NORTH OF LA PESCA. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WATCH 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... * THE COAST OF EASTERN MEXICO FROM PALMA SOLA NORTHWARD TO LA PESCA A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 24 HOURS. 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 21.1 NORTH...LONGITUDE 95.9 WEST. ARLENE IS MOVING TOWARD THE WEST NEAR 8 MPH...13 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT DAY OR TWO. ON THE FORECAST TRACK...THE CENTER WILL CROSS THE COAST WITHIN THE WARNING AREA EARLY THURSDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH...85 KM/H...WITH HIGHER GUSTS. STRENGTHENING IS FORECAST...AND ARLENE COULD APPROACH HURRICANE STRENGTH PRIOR TO LANDFALL. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM FROM THE CENTER. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 INCHES. HAZARDS AFFECTING LAND ---------------------- RAINFALL...ARLENE IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 4 TO 8 INCHES OVER THE MEXICAN STATES OF TAMAULIPAS...VERACRUZ...EASTERN SAN LUIS POTOSI...AND EASTERN NUEVO LEON...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 ARE EXPECTED TO REACH THE COAST WITHIN THE WARNING AREA BY THIS EVENING...WHICH COULD MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. 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 PM CDT. $$ FORECASTER PASCH/BEVEN