
WTIO31 PGTW 010900
MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL CYCLONE 01B (NARGIS) WARNING NR 016
01 ACTIVE TROPICAL CYCLONE IN NORTHIO
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
---
WARNING POSITION:
010600Z --- NEAR 15.8N 89.8E
MOVEMENT PAST SIX HOURS - 070 DEGREES AT 08 KTS
POSITION ACCURATE TO WITHIN 015 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 020 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 095 NM NORTHEAST QUADRANT
105 NM SOUTHEAST QUADRANT
095 NM SOUTHWEST QUADRANT
085 NM NORTHWEST QUADRANT
REPEAT POSIT: 15.8N 89.8E
---
FORECASTS:
12 HRS, VALID AT:
011800Z --- 16.3N 91.6E
MAX SUSTAINED WINDS - 080 KT, GUSTS 100 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 020 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 045 NM NORTHEAST QUADRANT
045 NM SOUTHEAST QUADRANT
045 NM SOUTHWEST QUADRANT
045 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT
110 NM SOUTHEAST QUADRANT
100 NM SOUTHWEST QUADRANT
090 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 070 DEG/ 08 KTS
---
24 HRS, VALID AT:
020600Z --- 16.8N 93.2E
MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 025 NM NORTHEAST QUADRANT
025 NM SOUTHEAST QUADRANT
025 NM SOUTHWEST QUADRANT
025 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 105 NM NORTHEAST QUADRANT
110 NM SOUTHEAST QUADRANT
105 NM SOUTHWEST QUADRANT
095 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 065 DEG/ 08 KTS
---
36 HRS, VALID AT:
021800Z --- 17.5N 94.8E
MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
RADIUS OF 050 KT WINDS - 045 NM NORTHEAST QUADRANT
045 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 085 NM NORTHEAST QUADRANT
095 NM SOUTHEAST QUADRANT
105 NM SOUTHWEST QUADRANT
095 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 050 DEG/ 08 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
030600Z --- 18.5N 96.0E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
---
REMARKS:
010900Z POSITION NEAR 15.9N 90.2E.
TROPICAL CYCLONE (TC) 01B (NARGIS), LOCATED APPROXIMATELY 370 NM
WEST OF YANGON, MYANMAR HAS TRACKED EAST-NORTHEASTWARD AT 08 KNOTS
OVER THE PAST 06 HOURS. TC 01B IS TRACKING EAST-NORTHEASTWARD ALONG
THE PERIPHERY OF A MID-LEVEL STEERING RIDGE LOCATED SOUTHEAST OF THE
STORM. THIS RIDGE WILL REMAIN THE PRIMARY STEERING INFLUENCE THROUGH-
OUT THE FORECAST PERIOD. TC 01B WILL SLIGHTLY INTENSIFY THROUGH TAU
12 DUE TO GOOD OUTFLOW ALOFT AND FAVORABLE OCEAN HEAT CONTENT. THE
STORM WILL MAKE LANDFALL AROUND TAU 36 AND DISSIPATE AS A SIGNIFICANT
TROPICAL STORM BY TAU 48. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 010600Z
IS 27 FEET. NEXT WARNINGS AT 011500Z, 012100Z, 020300Z AND 020900Z.
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