WTPN51 PGTW 181500 WARNING ATCG MIL 18W NWP 231218125157 2023121812 18W JELAWAT 007 01 280 07 SATL SYNP XTRP 025 T000 073N 1252E 025 T012 076N 1221E 020 T024 081N 1196E 020 AMP 000HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND 012HR DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER 024HR DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER SUBJ: TROPICAL DEPRESSION 18W (JELAWAT) WARNING NR 007 1. TROPICAL DEPRESSION 18W (JELAWAT) WARNING NR 007 01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 181200Z --- NEAR 7.3N 125.2E MOVEMENT PAST SIX HOURS - 280 DEGREES AT 07 KTS POSITION ACCURATE TO WITHIN 025 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE, SYNOPTIC DATA AND EXTRAPOLATION PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND REPEAT POSIT: 7.3N 125.2E --- FORECASTS: 12 HRS, VALID AT: 190000Z --- 7.6N 122.1E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER VECTOR TO 24 HR POSIT: 280 DEG/ 13 KTS --- 24 HRS, VALID AT: 191200Z --- 8.1N 119.6E MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 181500Z POSITION NEAR 7.4N 124.4E. 18DEC23. TROPICAL DEPRESSION 18W (JELAWAT), LOCATED APPROXIMATELY 18 NM EAST-NORTHEAST OF DAVAO, PHILIPPINES, HAS TRACKED WESTWARD AT 07 KNOTS OVER THE PAST SIX HOURS. TD 18W CONTINUES TO DECAY RAPIDLY AS THE ASSOCIATED CONVECTIVE ACTIVITY PROGRESSIVELY BECOMES MORE FRAGMENTED AND DISPERSED TO THE NORTH AND SOUTH OF THE ILL-DEFINED LOW LEVEL CIRCULATION. THE INITIAL POSITION IS PLACED WITH LOW CONFIDENCE BASED ON CURRENT TRAJECTORY AND STORM MOTION, SLOWED DOWN TO ACCOUNT FOR FRICTIONAL EFFECTS. THE INITIAL INTENSITY IS HELD AT 25 KNOTS, AT BEST. TD JELAWAT WILL CONTINUE TO TRACK WESTWARD UNDER THE STEERING INFLUENCE OF THE SUBTROPICAL RIDGE TO THE NORTH AND DISSIPATE BY TAU 12, LIKELY SOONER, DUE TO CONTINUED INTERACTION WITH THE RUGGED AND INCREASED VERTICAL WIND SHEAR. THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON WRNCEN PEARL HARBOR HI. THE SYSTEM WILL BE CLOSELY MONITORED FOR SIGNS OF REGENERATION. MINIMUM CENTRAL PRESSURE AT 181200Z IS 1007 MB.// 1823121206 26N1516E 15 1823121212 30N1500E 20 1823121218 30N1484E 20 1823121300 31N1470E 20 1823121306 32N1461E 15 1823121312 33N1453E 15 1823121318 36N1443E 15 1823121400 38N1432E 20 1823121406 39N1418E 20 1823121412 40N1407E 20 1823121418 42N1399E 20 1823121500 49N1394E 20 1823121506 54N1385E 20 1823121512 57N1377E 20 1823121518 59N1367E 20 1823121600 60N1355E 20 1823121606 63N1339E 20 1823121612 67N1324E 25 1823121618 69N1311E 30 1823121700 70N1300E 30 1823121706 71N1289E 35 1823121712 71N1282E 35 1823121718 71N1274E 35 1823121800 71N1266E 30 1823121806 72N1259E 25 1823121812 73N1252E 25 NNNN