WTPS31 PGTW 210900 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 26P (GINA) WARNING NR 012// RMKS/ 1. TROPICAL CYCLONE 26P (GINA) 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: 210600Z --- NEAR 20.7S 169.7E MOVEMENT PAST SIX HOURS - 145 DEGREES AT 10 KTS POSITION ACCURATE TO WITHIN 035 NM POSITION BASED ON CENTER LOCATED BY A COMBINATION OF SATELLITE AND SYNOPTIC DATA PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY SUBTROPICAL RADIUS OF 034 KT WINDS - 000 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 055 NM SOUTHWEST QUADRANT 005 NM NORTHWEST QUADRANT REPEAT POSIT: 20.7S 169.7E --- FORECASTS: 12 HRS, VALID AT: 211800Z --- 21.5S 170.0E MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY SUBTROPICAL RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT 090 NM SOUTHEAST QUADRANT 000 NM SOUTHWEST QUADRANT 000 NM NORTHWEST QUADRANT --- REMARKS: 210900Z POSITION NEAR 20.9S 169.8E. 21MAY22. TROPICAL CYCLONE (TC) 26P (GINA), LOCATED APPROXIMATELY 197 NM SOUTH-SOUTHEAST OF PORT VILA, VANUATU, HAS TRACKED SOUTHEASTWARD AT 10 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY (MSI) SHOWS THE MAIN CONVECTION HAS SHEARED AND STRETCHED FURTHER SOUTHEASTWARD FROM THE LOW LEVEL CIRCULATION (LLC) THAT HAS BECOME MORE EXPOSED AND ELONGATED. THE MSI LOOP ALSO SHOWS TRANSVERSE BANDING ALONG THE SOUTHERN PERIPHERIES, AN INDICATION OF STRONG VERTICAL WIND SHEAR. THE INITIAL POSITION IS PLACED WITH HIGH CONFIDENCE BASE ON THE PARTIALLY EXPOSED LLC THAT LINED UP WELL WITH A DEFINED LLC FEATURE IN THE 210512Z SSMIS 91GHZ IMAGE. THE INITIAL INTENSITY OF 35KTS IS HELD HIGHER THAN AGENCY DVORAK ESTIMATES OF T2.0/30KTS TO REFLECT ELEVATED WINDS FURTHER AWAY (60NM) POLEWARD FROM THE CENTER, TYPICAL OF SUBTROPICAL SYSTEMS, AS INDICATED IN RECENT SCATTEROMETER PASSES. A TC PHASE CLASSIFICATION WORKSHEET INDICATES THE SYSTEM HAS BECOME SUBTROPICAL. 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 210600Z IS 12 FEET.// NNNN