ZCZC MIATCDEP5 ALL TTAA00 KNHC DDHHMM CCA TROPICAL DEPRESSION FIVE-E DISCUSSION NUMBER 1 CORRECTED NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP052008 200 PM PDT SAT JUL 05 2008 ..CORRECTION TO AWIPS BIN NUMBER... VISIBLE SATELLITE IMAGES INDICATE THAT THE AREA OF DISTURBED WEATHER SOUTH OF ACAPULCO HAS DEVELOPED ENOUGH CIRCULATION AND DEEP CONVECTION TO BE CLASSIFIED AS A 25-KT TROPICAL DEPRESSION. THERE IS SOME SHEAR OVER THE DEPRESSION AND DEVELOPMENT IS EXPECTED TO BE SLOW. NEVERTHELESS...THE DEPRESSION IS FORECAST TO BECOME A TROPICAL STORM IN 24 HOURS OR SO. THE CENTER IS VERY DIFFICULT TO LOCATE AT THIS TIME AND APPEARS TO BE ON THE EASTERN SIDE OF THE CONVECTION. THE INITIAL MOTION IS UNCERTAIN BUT IT APPEARS TO BE TOWARD THE NORTHWEST AT 4 KNOTS. SINCE THE DEPRESSION IS EMBEDDED WITHIN VERY WEAK STEERING CURRENTS...ONLY A SLOW NORTHWESTWARD DRIFT...3 TO 4 KNOTS...IS EXPECTED DURING THE NEXT FEW DAYS. THIS FORECAST WOULD KEEP THE CYCLONE MOVING VERY CLOSE TO THE SOUTHWESTERN COAST OF MEXICO FOR ABOUT 4 TO 5 DAYS...AND ONLY A SMALL DEVIATION TO THE NORTH WOULD BRING THE CENTER TO THE COAST OR EVEN INLAND. IN FACT...SOME THE GLOBAL MODELS BRING THE DEPRESSION INLAND OVER SOUTHWESTERN MEXICO IN A FEW DAYS. THEREFORE...A TROPICAL STORM WARNING HAS BEEN ISSUED FOR A PORTION OF THE COAST...AND THIS WARNING WILL PROBABLY HAVE TO BE REVISED LATER ON. FORECAST POSITIONS AND MAX WINDS INITIAL 05/2100Z 14.5N 99.2W 25 KT 12HR VT 06/0600Z 14.7N 99.6W 30 KT 24HR VT 06/1800Z 15.3N 100.0W 35 KT 36HR VT 07/0600Z 16.0N 100.5W 40 KT 48HR VT 07/1800Z 16.5N 101.5W 40 KT 72HR VT 08/1800Z 17.5N 103.0W 40 KT 96HR VT 09/1800Z 18.5N 105.0W 40 KT 120HR VT 10/1800Z 20.0N 108.5W 40 KT $$ FORECASTER AVILA NNNN
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Page last modified: Tuesday, 21-Apr-2009 12:09:32 UTC