WTPS31 PGTW 012100 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 15P (ANA) WARNING NR 012// RMKS/ 1. TROPICAL CYCLONE 15P (ANA) WARNING NR 012 02 ACTIVE TROPICAL CYCLONES IN SOUTHPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 011800Z --- NEAR 23.1S 179.6E MOVEMENT PAST SIX HOURS - 160 DEGREES AT 08 KTS POSITION ACCURATE TO WITHIN 030 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY SUBTROPICAL RADIUS OF 034 KT WINDS - 245 NM NORTHEAST QUADRANT 165 NM SOUTHEAST QUADRANT 185 NM SOUTHWEST QUADRANT 115 NM NORTHWEST QUADRANT REPEAT POSIT: 23.1S 179.6E --- FORECASTS: 12 HRS, VALID AT: 020600Z --- 24.9S 178.4W MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY SUBTROPICAL RADIUS OF 034 KT WINDS - 180 NM NORTHEAST QUADRANT 170 NM SOUTHEAST QUADRANT 140 NM SOUTHWEST QUADRANT 110 NM NORTHWEST QUADRANT --- REMARKS: 012100Z POSITION NEAR 23.5S 179.9W. 01FEB21. TROPICAL CYCLONE 15P (ANA), LOCATED APPROXIMATELY 304 NM WEST-SOUTHWEST OF TONGA, HAS TRACKED SOUTH-SOUTHEASTWARD AT 08 KNOTS OVER THE PAST SIX HOURS. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY SHOWS FLARING DEEP CONVECTION THAT IS SHEARED 150+ NM SOUTHEASTWARD FROM A GROSSLY ELONGATED, EXPOSED LOW LEVEL CIRCULATION (LLC). ADDITIONALLY, A STEADY STREAM OF LOW LEVEL STRATOCUMULUS CLOUD LINES ASSOCIATED WITH COLD AIR, ARE WRAPPING INTO THE LLC. MOST RECENT WIND ANALYSIS INDICATES THE MAXIMUM WINDS ARE MORE THAN 60NM AWAY FROM THE LLCC. TC ANA HAS BECOME SUBTROPICAL AND NO LONGER MEETS JTWC WARNING CRITERIA. 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. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 011800Z IS 20 FEET. REFER TO TROPICAL CYCLONE 17P (LUCAS) WARNINGS (WTPS33 PGTW) FOR SIX-HOURLY UPDATES.// NNNN