WTXS31 PGTW 080300 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 26S (TWENTYSIX) WARNING NR 005// RMKS/ 1. TROPICAL CYCLONE 26S (TWENTYSIX) WARNING NR 005 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 080000Z --- NEAR 18.0S 106.6E MOVEMENT PAST SIX HOURS - 245 DEGREES AT 12 KTS POSITION ACCURATE TO WITHIN 030 NM POSITION BASED ON CENTER LOCATED BY SATELLITE PRESENT WIND DISTRIBUTION: MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT 060 NM SOUTHEAST QUADRANT 075 NM SOUTHWEST QUADRANT 100 NM NORTHWEST QUADRANT REPEAT POSIT: 18.0S 106.6E --- FORECASTS: 12 HRS, VALID AT: 081200Z --- 18.4S 104.8E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER --- REMARKS: 080300Z POSITION NEAR 18.1S 106.2E. 08MAR26. TROPICAL CYCLONE 26S (TWENTYSIX), LOCATED APPROXIMATELY 495 NM WEST-NORTHWEST OF LEARMONTH, AUSTRALIA, HAS TRACKED WEST- SOUTHWESTWARD AT 12 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL SATELLITE IMAGERY (MSI) AND A 072310Z SSMIS 91 GHZ IMAGE SHOW REMAINING DEEP CONVECTION CONFINED TO THE WESTERN PERIPHERY OF A PARTIALLY EXPOSED LOW-LEVEL CIRCULATION. STRATOCUMULUS CLOUD LINES SEEN WRAPPING AROUND THE NORTHERN PERIPHERY OF THE CIRCULATION IN MSI TRACE SUSTAINED ENTRAINMENT OF DRIER AIR FROM THE SURROUNDING ENVIRONMENT INTO THE EASTERN PORTION OF THE CIRCULATION. THE CURRENT POSITION IS SET WITH HIGH CONFIDENCE WITH SUPPORT FROM THE 072310Z SSMIS IMAGERY. THE INITIAL INTENSITY IS HEDGED SLIGHTLY ABOVE AGENCY SUBJECTIVE DVORAK ESTIMATES (25-30 KTS), CONSISTENT WITH CIMSS AUTOMATED INTENSITY ESTIMATES RANGING FROM 32 TO 37 KNOTS. THE SYSTEM WILL CONTINUE TO TRACK WEST-SOUTHWESTWARD UNDER THE STEERING INFLUENCE OF A SUBTROPICAL RIDGE CENTERED OVER WESTERN AUSTRALIA FOR THE NEXT 12 HOURS, DURING WHICH TIME THE CYCLONE IS EXPECTED TO DISSIPATE UNDER THE ONGOING INFLUENCE OF SUSTAINED EASTERLY VERTICAL WIND SHEAR, ENTRAINMENT OF DRIER AIR, AND PASSAGE OVER MARGINAL SEA SURFACE TEMPERATURES (26 TO 27C). THEREFORE, 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 080000Z IS 996 MB. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 080000Z IS 13 FEET.// NNNN