ZCZC MIATCDEP4 ALL TTAA00 KNHC DDHHMM TROPICAL DEPRESSION CELIA DISCUSSION NUMBER 40 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP042010 800 PM PDT MON JUN 28 2010 CELIA HAS BEEN DEVOID OF DEEP CONVECTION FOR MORE THAN 12 HOURS NOW...THE COOL WATERS HAVING REDUCED IT TO A SWIRL OF LOW CLOUDS. EVEN THOUGH CELIA IS BEING DECLARED A REMNANT LOW...SATELLITE PICTURES AND AN EARLIER ASCAT PASS INDICATED THAT THE ASSOCIATED CIRCULATION REMAINS FAIRLY VIGOROUS. THE INITIAL WIND SPEED ESTIMATE IS HELD AT 30 KT...BUT A GRADUAL DECREASE IN INTENSITY IS EXPECTED OVER THE NEXT DAY OR SO BECAUSE THE CYCLONE WILL CONTINUE MOVING OVER COOL WATERS. CELIA HAS BEEN DRIFTING EASTWARD AND THE INITIAL MOTION ESTIMATE IS 080/2...THOUGH RECENT SATELLITE PICTURES SUGGEST A MORE EAST- NORTHEASTWARD MOTION. THE REMNANT LOW OF CELIA IS BEING STEERED BY ANOMALOUS LOW-LEVEL WESTERLY FLOW THAT PREVAILS OVER THE EASTERN PACIFIC WEST OF ABOUT 125 WEST LONGITUDE. EMBEDDED WITHIN THIS FLOW...THE LOW SHOULD CONTINUE ON A GENERAL EAST-NORTHEASTWARD COURSE UNTIL DISSIPATION DURING THE NEXT DAY OR TWO. THIS IS THE LAST ADVISORY ON CELIA. FOR ADDITIONAL INFORMATION ON THE REMNANT LOW PLEASE SEE HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE...UNDER AWIPS HEADER NFDHSFEPI AND WMO HEADER FZPN02 KWBC. FORECAST POSITIONS AND MAX WINDS INITIAL 29/0300Z 15.2N 123.5W 30 KT 12HR VT 29/1200Z 15.3N 123.3W 25 KT...POST-TROP/REMNT LOW 24HR VT 30/0000Z 15.4N 123.0W 20 KT...POST-TROP/REMNT LOW 36HR VT 30/1200Z...DISSIPATED $$ FORECASTER KIMBERLAIN NNNN
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