WTIO31 PGTW 160900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE 01B (MAHASEN) WARNING NR 025//
RMKS/
1. TROPICAL CYCLONE 01B (MAHASEN) WARNING NR 025
   01 ACTIVE TROPICAL CYCLONE IN NORTHIO
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   160600Z --- NEAR 23.0N 91.0E
     MOVEMENT PAST SIX HOURS - 025 DEGREES AT 22 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
   REPEAT POSIT: 23.0N 91.0E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   161800Z --- 25.8N 93.9E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
    ---
REMARKS:
160900Z POSITION NEAR 23.7N 91.7E.
TROPICAL CYCLONE 01B (MAHASEN), LOCATED APPROXIMATELY 53 NM
SOUTHEASTWARD OF DHAKA, BANGLADESH, HAS TRACKED NORTH-NORTHEASTWARD
AT 22 KNOTS OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL
SATELLITE IMAGERY (MSI) REVEALS TC MAHASEN HAS MADE LANDFALL
NORTHWEST OF CHITTAGONG, BANGLADESH AND IS RAPIDLY FALLING APART AS
THE SYSTEM HAS BECOME DISORGANIZED. RADAR IMAGERY FROM KOLKATA,
INDIA ADDITIONALLY SHOWS THE RAPID WEAKENING AS CONVECTION HAS
SHALLOWED. TC 01B IS FORECAST TO ACCELERATE INTO THE MID-LATITUDE
WESTERLIES AND TRACK ACROSS NORTHEASTERN INDIA WHILE CONTINUALLY
WEAKENING AS IT ENCOUNTERS RUGGED TERRAIN AND HIGH (30 TO 40 KNOTS)
VERTICAL WIND SHEAR. TC 01B WILL DISSIPATE BELOW 35 KNOTS IN THE
NEXT 12 HOURS DUE TO THESE UNFAVORABLE CONDITIONS. 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.//