WTPS31 PGTW 112100 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 11P (DOVI) WARNING NR 012// RMKS/ 1. TROPICAL CYCLONE 11P (DOVI) WARNING NR 012 01 ACTIVE TROPICAL CYCLONE IN SOUTHPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 111800Z --- NEAR 31.4S 166.1E MOVEMENT PAST SIX HOURS - 180 DEGREES AT 24 KTS POSITION ACCURATE TO WITHIN 040 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT WIND RADII VALID OVER OPEN WATER ONLY BECOMING EXTRATROPICAL RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 020 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 170 NM NORTHEAST QUADRANT 200 NM SOUTHEAST QUADRANT 230 NM SOUTHWEST QUADRANT 165 NM NORTHWEST QUADRANT REPEAT POSIT: 31.4S 166.1E --- FORECASTS: 12 HRS, VALID AT: 120600Z --- 35.4S 168.3E MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL RADIUS OF 050 KT WINDS - 030 NM NORTHEAST QUADRANT 070 NM SOUTHEAST QUADRANT 065 NM SOUTHWEST QUADRANT 060 NM NORTHWEST QUADRANT RADIUS OF 034 KT WINDS - 190 NM NORTHEAST QUADRANT 240 NM SOUTHEAST QUADRANT 240 NM SOUTHWEST QUADRANT 190 NM NORTHWEST QUADRANT VECTOR TO 24 HR POSIT: 130 DEG/ 21 KTS --- 24 HRS, VALID AT: 121800Z --- 38.1S 172.4E MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT WIND RADII VALID OVER OPEN WATER ONLY EXTRATROPICAL RADIUS OF 034 KT WINDS - 230 NM NORTHEAST QUADRANT 280 NM SOUTHEAST QUADRANT 310 NM SOUTHWEST QUADRANT 210 NM NORTHWEST QUADRANT --- REMARKS: 112100Z POSITION NEAR 32.4S 166.6E. 11FEB22. TROPICAL CYCLONE 11P (DOVI), LOCATED APPROXIMATELY 546 NM NORTHWEST OF AUCKLAND, NEW ZEALAND, HAS TRACKED SOUTHWARD AT 24 KNOTS OVER THE PAST SIX HOURS. TC 11P IS NEARING COMPLETION OF EXTRA- TROPICAL TRANSITION (ETT). THE FIRST FEW FRAMES OF ANIMATED MULTI- SPECTRAL IMAGERY (MSI) DEPICTS A RAPIDLY DETERIORATING LOW LEVEL CIRCULATION CENTER THAT HAS COMPLETELY DECOUPLED FROM THE UPPER LEVEL VORTEX. DEEP CONVECTION IS NOW PRIMARILY CONSTRAINED TO THE RIGHT FRONT QUADRANT. AN 111922Z GMI 37 GHZ PASS REFLECTS THE TRANSITION TO THE ASYMMETRIC EXTRA-TROPICAL STRUCTURE, AND PROVIDES GOOD SUPPORT FOR THE INITIAL POSITION IN ADDITION TO AGENCY FIXES. THE INITAL INTENSITY WAS ASSESSED AT 60 KNOTS BASED THE PGTW FINAL- T OF T3.5. THIS IS SLIGHTLY LOWER THAN ADT AND SATCON VALUES, TAKING INTO ACCOUNT THE RAPID WEAKENING TAKING PLACE. DOVI IS TRACKING ALONG THE EASTERN FLANK OF A DEEP LAYER TROUGH. THE GRADIENT FLOW IS RESULTING IN STRONG VERTICAL WIND SHEAR AS 50-PLUS KNOT UPPER LEVEL WINDS ARE COMPLETELY OUT OF PHASE WITH THE SURFACE FLOW OF EQUAL MAGNITUDE. TC 11P WILL COMPLETE ETT IN THE NEXT FEW HOURS AND CONTINUE TO ROUND THE SUB-TROPICAL STEERING RIDGE TO THE EAST. THE REMNANT LOW IS EXPECTED TO TRACK TOWARDS THE NORTH ISLAND OF NEW ZEALAND, WITH AN EXPANSIVE GALE FORCE WIND FIELD. HIGH FORECAST CONFIDENCE IS BASED ON GOOD AGREEMENT OF AVAILABLE GUIDANCE FOR BOTH THE TRACK AND INTENSITY SOLUTIONS. 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 111800Z IS 27 FEET. // NNNN