WTPS31 PGTW 192100 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE WARNING// RMKS/ 1. TROPICAL CYCLONE 09P (GITA) WARNING NR 044 01 ACTIVE TROPICAL CYCLONE IN SOUTHPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 191800Z --- NEAR 35.5S 167.0E MOVEMENT PAST SIX HOURS - 125 DEGREES AT 28 KTS POSITION ACCURATE TO WITHIN 060 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL RADIUS OF 050 KT WINDS - 035 NM NORTHEAST QUADRANT 030 NM SOUTHEAST QUADRANT 075 NM SOUTHWEST QUADRANT 080 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 200 NM NORTHEAST QUADRANT 180 NM SOUTHEAST QUADRANT 120 NM SOUTHWEST QUADRANT 125 NM NORTHWEST QUADRANT REPEAT POSIT: 35.5S 167.0E --- FORECASTS: 12 HRS, VALID AT: 200600Z --- 39.6S 171.3E MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL RADIUS OF 050 KT WINDS - 025 NM NORTHEAST QUADRANT 025 NM SOUTHEAST QUADRANT 060 NM SOUTHWEST QUADRANT 065 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 195 NM NORTHEAST QUADRANT 200 NM SOUTHEAST QUADRANT 170 NM SOUTHWEST QUADRANT 135 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 145 DEG/ 23 KTS --- 24 HRS, VALID AT: 201800Z --- 43.3S 174.8E MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL RADIUS OF 034 KT WINDS - 195 NM NORTHEAST QUADRANT 290 NM SOUTHEAST QUADRANT 180 NM SOUTHWEST QUADRANT 105 NM NORTHWEST QUADRANT --- REMARKS: 192100Z POSITION NEAR 36.5S 168.1E. TROPICAL CYCLONE (TC) 09P (GITA), LOCATED APPROXIMATELY 501 NM NORTHWEST OF WELLINGTON, NEW ZEALAND, HAS TRACKED SOUTHEASTWARD AT 28 KNOTS OVER THE PAST SIX HOURS. THE FIRST FEW FRAMES OF MULTI- SPECTRAL SATELLITE IMAGERY DEPICT A RAGGED AND ELONGATED LOW LEVEL CIRCULATION CENTER (LLCC) WITH DEEP CONVECTION DISPLACED WELL TO THE SOUTH DUE TO STRONG NORTHWESTERLY VERTICAL WIND SHEAR (VWS). GITA IS NOW ASSESSED AS FULLY EXTRA-TROPICAL. DUE TO A LACK OF RECENT MICROWAVE IMAGERY AND THE ASYMMETRIC LLCC STRUCTURE, THERE IS LOW CONFIDENCE IN THE INITIAL POSITION. DESPITE THE VWS AND LOSS OF DEEP CONVECTION, ROBUST POLEWARD OUTFLOW AND INTERACTION WITH THE MID- LATITUDE JET HAS HELPED MAINTAIN THE STRONG CORE WINDS DURING THE EXTRA-TROPICAL TRANSITION. THE INITIAL INTENSITY IS ASSESSED AT 55 KNOTS BASED ON THE LARGE SWATH OF 50-55 KNOT WINDS IN A 191125Z ASCAT PASS. TC 09P IS EXPECTED TO CONTINUE TRACKING SOUTHEASTWARD UNDER THE STEERING INFLUENCE OF A DEEP-LAYER SUB-TROPICAL RIDGE TO THE EAST, WITH A VERY GRADUAL DISSIPATION TREND. 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 191800Z IS 22 FEET.//