ZCZC MIAWRKPD2 LOC TTAA00 KNHC DDHHMM ...FOR INTERGOVERNMENTAL USE ONLY... TROPICAL STORM FRANK DISCUSSION NUMBER 35 NATIONAL WEATHER SERVICE MIAMI FL 8 PM PDT TUE JUL 21 1992 THE STORM CONTINUES TO WEAKEN UNDER THE INFLUENCE OF STRONG VERTICAL WIND SHEAR. THIS TREND IS EXPECTED TO CONTINUE AND FRANK WILL LIKELY BE DECLARED DISSIPATED IN A COUPLE OF DAYS. FRANK IS MOVING WEST NORTHWEST AROUND 12 KNOTS. THIS GENERAL DIRECTION OF MOTION IS FORECAST TO CONTINUE UNTIL DISSIPATION. THE OFFICIAL FORECAST CALLS FOR SOME SLOWING OF THE FORWARD SPEED...IN ACCORDANCE WITH THE OBJECTIVE GUIDANCE. ANIMATION OF WATER VAPOR IMAGERY SHOWS A WEAK MIDDLE TO UPPER TROPOSPHERIC VORTEX SITUATED ABOUT 10 DEGREES NORTH NORTHEAST OF THE HAWAIIAN ISLANDS. THE PRESENCE OF THIS FEATURE MAKES IT UNLIKELY THAT THE CYCLONE WILL TURN BACK TOWARD THE WEST...IN THE SHORT TERM. HOWEVER IT MAY EVENTUALLY DO THAT AFTER IT DEGENERATES INTO AN INSIGNIFICANT LOW CLOUD SWIRL. SINCE FRANK IS NOW ENTERING THE CENTRAL PACIFIC BASIN...FORECAST AND WARNING RESPONSIBILITIES FOR THIS STORM ARE BEING TRANSFERRED TO THE CENTRAL PACIFIC HURRICANE CENTER IN HONOLULU...BEGINNING WITH THE NEXT ADVISORY. FUTURE TROPICAL CYCLONE DISCUSSIONS WILL BE CONTAINED UNDER WMO HEADER WTPA42 (PHNL) AND UNDER AFOS HEADER TCDCP2. PASCH FORECAST POSITIONS AND MAX WINDS INITIAL 22/0300Z 23.8N 140.1W 50 KTS 12HR VT 22/1200Z 24.5N 142.0W 45 KTS 24HR VT 23/0000Z 25.2N 144.0W 35 KTS 36HR VT 23/1200Z 26.0N 145.5W 25 KTS 48HR VT 24/0000Z 26.5N 146.5W...DISSIPATING