WTXS31 PGTW 280300 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/TROPICAL CYCLONE 27P (NARELLE) WARNING NR 041// RMKS/ 1. TROPICAL CYCLONE 27P (NARELLE) WARNING NR 041 01 ACTIVE TROPICAL CYCLONE IN SOUTHIO MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE WIND RADII VALID OVER OPEN WATER ONLY --- WARNING POSITION: 280000Z --- NEAR 30.0S 117.2E MOVEMENT PAST SIX HOURS - 150 DEGREES AT 33 KTS POSITION ACCURATE TO WITHIN 040 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 BECOMING SUBTROPICAL RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT 040 NM SOUTHEAST QUADRANT 040 NM SOUTHWEST QUADRANT 050 NM NORTHWEST QUADRANT REPEAT POSIT: 30.0S 117.2E --- FORECASTS: 12 HRS, VALID AT: 281200Z --- 34.6S 120.6E MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT WIND RADII VALID OVER OPEN WATER ONLY SUBTROPICAL --- REMARKS: 280300Z POSITION NEAR 31.1S 118.1E. 28MAR26. TROPICAL CYCLONE 27P (NARELLE), LOCATED APPROXIMATELY 491 NM SOUTH-SOUTHEAST OF LEARMONTH, AUSTRALIA, HAS TRACKED SOUTH-SOUTHEASTWARD AT 33 KNOTS OVER THE PAST SIX HOURS. TROPICAL CYCLONE (TC) 27P (NARELLE) HAS CONTINUED TO RAPIDLY DETERIORATE, LOSING TROPICAL CHARACTERISTICS AS EVIDENCED BY ITS SHEARED CONVECTION SOUTHEASTWARD, SHALLOW VORTEX, AND WEAK PRESENTATION, DEPICTED BY ANIMATED MULTI-SPECTRAL IMAGERY (MSI). THE SYSTEM WILL NOW TRACK SOUTHEASTWARD AROUND THE SOUTHERN PORTION OF THE DEEP-LAYER ANTICYCLONE CENTERED OVER NORTHWESTERN AUSTRALIA. THE TRACK WILL PUSH THE REMAINDER OF 27P EASTWARD UNTIL TAU 12, WITH GROWING INFLUENCE FROM MID-LATITUDE WESTERLY FLOW. THE CURRENTLY ASSESSED SUBTROPICAL TRANSITION WILL BE COMPLETE BY TAU 12, AS WHAT REMAINS OF THE LLCC EJECTS INTO THE SOUTHERN OCEAN. A HIGHLY UNFAVORABLE ENVIRONMENT FOR CONTINUED DEVELOPMENT OF 27P EXISTS IN THE SOUTHERN OCEAN, CHARACTERIZED BY COOL SEA SURFACE TEMPERATURES, HIGH VERTICAL WIND SHEAR, AND DRY AIR. 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 280000Z IS 995 MB.// NNNN