ZCZC MIAWRKPD3 LOC TTAA00 KNHC DDHHMM ...FOR INTERGOVERNMENTAL USE ONLY... TROPICAL STORM BLAS DISCUSSION NUMBER 4 NATIONAL WEATHER SERVICE MIAMI FL 2 AM PDT TUE JUN 23 1992 SATELLITE INTENSITY ESTIMATES FROM BOTH ANALYSIS CENTERS CONTINUE AT MINIMAL STORM STRENGTH. HOWEVER...INITIAL MOTION APPEARS TO BE TOWARD THE WEST AT 10 KNOTS NOW. THE OFFICIAL FORECAST TRACK IS ADJUSTED TO THE WEST OF THE PREVIOUS TRACK AS A RESULT OF THE MORE WESTERLY MOTION...AND JUST TO THE WEST OF BAMM AS A BLEND. ONLY SLIGHT ADDITIONAL INTENSIFICATION IS FORECAST SINCE THE STORM SHOULD BE CROSSING THE 26 DEGREE C ISOTHERM SHORTLY. MOREOVER... WATER VAPOR IMAGERY SHOWS STRONG UPPER WESTERLIES AHEAD OF THE SYSTEM ON THE EXPECTED TRACK. GERRISH FORECAST POSITIONS AND MAX WINDS INITIAL 23/0900Z 16.8N 114.5W 35 KTS 12HR VT 23/1800Z 17.2N 116.1W 40 KTS 24HR VT 24/0600Z 17.9N 117.9W 40 KTS 36HR VT 24/1800Z 18.7N 119.4W 35 KTS 48HR VT 25/0600Z 19.6N 120.7W 30 KTS 72HR VT 26/0600Z 21.0N 122.0W 25 KTS