Subject: Indian-N: 01 Active Tropical Cyclone In Northio

From: SIU Weather Processor <[email-masked]>
Date: Fri, 25 May 2001 09:18:55 -0500

WTIO32 PGTW 251500
1. TROPICAL CYCLONE 01A WARNING NR 016
   01 ACTIVE TROPICAL CYCLONE IN NORTHIO
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   251200Z0 --- NEAR 17.4N2 67.8E1
     MOVEMENT PAST SIX HOURS - 360 DEGREES AT 02 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT
   RADIUS OF 050 KT WINDS - 045 NM
   RADIUS OF 035 KT WINDS - 090 NM NORTHEAST QUADRANT
                            090 NM SOUTHEAST QUADRANT
                            100 NM SOUTHWEST QUADRANT
                            100 NM NORTHWEST QUADRANT
   REPEAT POSIT: 17.4N2 67.8E1
    ---
   FORECASTS:
   12 HRS, VALID AT:
   260000Z8 --- 18.2N1 67.7E0
   MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT
   RADIUS OF 050 KT WINDS - 045 NM
   RADIUS OF 035 KT WINDS - 090 NM NORTHEAST QUADRANT
                            090 NM SOUTHEAST QUADRANT
                            100 NM SOUTHWEST QUADRANT
                            100 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 340 DEG/ 04 KTS
    ---
   24 HRS, VALID AT:
   261200Z1 --- 19.0N0 67.4E7
   MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT
   RADIUS OF 050 KT WINDS - 040 NM
   RADIUS OF 035 KT WINDS - 090 NM NORTHEAST QUADRANT
                            090 NM SOUTHEAST QUADRANT
                            090 NM SOUTHWEST QUADRANT
                            070 NM NORTHWEST QUADRANT
   VECTOR TO 36 HR POSIT: 335 DEG/ 04 KTS
    ---
   36 HRS, VALID AT:
   270000Z9 --- 19.8N8 67.0E3
   MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
   RADIUS OF 050 KT WINDS - 040 NM
   RADIUS OF 035 KT WINDS - 090 NM NORTHEAST QUADRANT
                            090 NM SOUTHEAST QUADRANT
                            080 NM SOUTHWEST QUADRANT
                            070 NM NORTHWEST QUADRANT
   VECTOR TO 48 HR POSIT: 340 DEG/ 04 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   271200Z2 --- 20.5N7 66.7E9
   MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
   RADIUS OF 050 KT WINDS - 035 NM
   RADIUS OF 035 KT WINDS - 090 NM NORTHEAST QUADRANT
                            090 NM SOUTHEAST QUADRANT
                            080 NM SOUTHWEST QUADRANT
                            080 NM NORTHWEST QUADRANT
   VECTOR TO 72 HR POSIT: 340 DEG/ 04 KTS
    ---
   72 HRS, VALID AT:
   281200Z3 --- 22.1N5 66.1E3
   MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
   RADIUS OF 050 KT WINDS - 035 NM
   RADIUS OF 035 KT WINDS - 090 NM NORTHEAST QUADRANT
                            090 NM SOUTHEAST QUADRANT
                            080 NM SOUTHWEST QUADRANT
                            080 NM NORTHWEST QUADRANT
    ---
REMARKS:
251500Z3 POSITION NEAR 17.6N4 67.8E1.
TROPICAL CYCLONE 01A HAS TRACKED NORTHWARD AT 02 KTS DURING THE PAST
SIX HOURS. THE WARNING POSITION IS BASED ON 251130Z2 INFRARED
SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED UPON CURRENT
INTENSITY ESTIMATES OF 77 KNOTS AND 90 KNOTS. ANIMATED INFRARED
IMAGERY INDICATES DISSIPATING CONVECTION CYCLING AROUND A LOW LEVEL
CIRCULATION CENTER. UW-CIMSS ANALYSIS PRODUCTS INDICATES THE
SOUTHERN QUADRANTS OF THE SYSTEM ARE IN A STRONG VERTICAL WIND SHEAR
ENVIRONMENT OF 30 KNOTS. TC 01A IS FORECAST TO TRACK SLOWLY
NORTHWEST AS A MID-LEVEL RIDGE TO THE EAST OF THE SYSTEM BUILDS
THROUGH THE PERIOD. TC 01A IS EXPECTED TO WEAKEN THROUGH THE
FORECAST PERIOD. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 251200Z0 IS 26
FEET. REFER TO WWIO31 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION.
NEXT WARNINGS AT 252100Z0, 260300Z1, 260900Z7 AND 261500Z4.//

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