SUBJ: TROPICAL CYCLONE WARNING REF/A/NAVPACMETOCCEN PEARL HARBOR HI/120251Z JUL 00// AMPN/TROPICAL CYCLONE FORMATION ALERT// WTPN31 PGTW 130300 1. TROPICAL DEPRESSION 07W WARNING NR 001 01 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE --- WARNING POSITION: 130000Z4 --- NEAR 15.7N3 124.0E7 MOVEMENT PAST SIX HOURS - 290 DEGREES AT 14 KTS POSITION ACCURATE TO WITHIN 045 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT REPEAT POSIT: 15.7N3 124.0E7 --- FORECASTS: 12 HRS, VALID AT: 131200Z7 --- 16.3N0 122.1E6 MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT VECTOR TO 24 HR POSIT: 290 DEG/ 08 KTS --- 24 HRS, VALID AT: 140000Z5 --- 16.9N6 120.5E8 MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT VECTOR TO 36 HR POSIT: 295 DEG/ 09 KTS --- 36 HRS, VALID AT: 141200Z8 --- 17.7N5 118.7E7 MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT VECTOR TO 48 HR POSIT: 295 DEG/ 09 KTS --- EXTENDED OUTLOOK: 48 HRS, VALID AT: 150000Z6 --- 18.4N3 116.9E7 MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT VECTOR TO 72 HR POSIT: 305 DEG/ 07 KTS --- 72 HRS, VALID AT: 160000Z7 --- 19.9N9 114.5E1 MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT --- REMARKS: 130300Z7 POSITION NEAR 15.8N4 123.5E1. TROPICAL DEPRESSION (TD) 07W, LOCATED 140 NM EAST OF BALER, LUZON, HAS TRACKED WEST-NORTHWESTWARD AT 14 KNOTS DURING THE PAST 6 HOURS. THE WARNING POSITION IS BASED ON 122330Z1 VISIBLE SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON CURRENT SATELLITE INTENSITY ESTIMATES OF 25 KNOTS. ANIMATED INFRARED SATELLITE IMAGERY DEPICTS RAPIDLY WEAKENING CONVECTION WEST OF THE LOW-LEVEL CIRCULATION CENTER (LLCC) OVER SOUTHERN LUZON. ANIMATED VISIBLE SATELLITE IMAGERY DEPICTS A FULLY-EXPOSED WELL-DEFINED LLCC WITH ISOLATED CONVECTION DEVELOPING SOUTHWEST AND SOUTHEAST OF THE LLCC. THE 200 MB ANALYSIS INDICATES 15-20 KNOTS OF NORTHEASTERLY WINDS OVER THE SYSTEM. UW-CIMSS ANALYSIS INDICATES MODERATE VERTICAL WIND SHEAR. THE LOW/MID LEVEL HIGH IS CENTERED NEAR 27N9 131E5, WITH RIDGING EXTENDING WESTWARD OVER TAIWAN. TD 07W IS FORECAST TO TRACK GENERALLY WEST-NORTHWESTWARD SOUTH OF THE LOW/MID LEVEL RIDGE. TROPICAL DEPRESSION (TD) 07W IS FORECAST TO MAINTAIN MINIMAL TD STRENGTH AS IT CROSSES LUZON. AFTERWARD, TD 07W SHOULD BECOME A MINIMAL TROPICAL STORM UNDER A SLIGHTLY MORE FAVORABLE SHEAR ENVIRONMENT. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 130000Z4 IS 8 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. THIS WARNING SUPERSEDES AND CANCELS REF A, NAVPACMETOCCEN 120251Z JUL 00 TROPICAL CYCLONE FORMATION ALERT (WTPN21 PGTW 120300) NEXT WARNINGS AT 130900Z3 (DTG 130751Z7), 131500Z0 (DTG 131351Z4), 132100Z7 (DTG 131951Z0) AND 140300Z8 (DTG 140151Z2).// NNNN