ZCZC MIATCDEP4 ALL TTAA00 KNHC DDHHMM TROPICAL DEPRESSION CELIA DISCUSSION NUMBER 12 NATIONAL WEATHER SERVICE MIAMI FL 2 AM PDT MON JUL 20 1998 CELIA RETAINS A DISTINCT CIRCULATION OF LOW- TO MIDDLE-LEVEL CLOUDS. THE CENTER IS A LITTLE DIFFICULT TO PINPOINT ON IR IMAGES...HOWEVER ...WITH CURRENT ESTIMATES SHOWING A SLOWING TO ABOUT 7 KT ON A NEARLY DUE WESTWARD HEADING. THIS TRACK SHOULD CONTINUE. DEEP CONVECTION IS LIMITED TO AN OCCASIONAL THUNDERSTORM. WITH DVORAK T/CI NUMBERS NOW 1.5/2.0 FROM BOTH TAFB AND SAB...THE CYCLONE IS DOWNGRADED TO A 30 KT DEPRESSION ON THIS ADVISORY. THE REMAINING CIRCULATION IS EXPECTED TO GRADUALLY UNWIND WITH DISSIPATION LIKELY TO BE DECLARED IN THE NEXT DAY OR SO. RAPPAPORT FORECAST POSITIONS AND MAX WINDS INITIAL 20/0900Z 22.1N 118.4W 30 KTS 12HR VT 20/1800Z 22.1N 119.5W 25 KTS 24HR VT 21/0600Z 22.2N 121.2W 20 KTS...DISSIPATING 36HR VT 21/1800Z 22.2N 122.9W 20 KTS...DISSIPATING NNNN