1. TYPHOON (TY) 09W (RAMMASUN) WARNING NR 028

02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE

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WARNING POSITION:

050000Z5 --- NEAR 32.1N6 124.1E8
MOVEMENT PAST SIX HOURS - 360 DEGREES AT 14 KTS
POSITION ACCURATE TO WITHIN 040 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE

PRESENT WIND DISTRIBUTION:

MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
RADIUS OF 050 KT WINDS - 085 NM NORTHEAST QUADRANT
085 NM SOUTHEAST QUADRANT
055 NM SOUTHWEST QUADRANT
055 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 210 NM NORTHEAST QUADRANT OVER WATER
210 NM SOUTHEAST QUADRANT
160 NM SOUTHWEST QUADRANT
160 NM NORTHWEST QUADRANT
REPEAT POSIT: 32.1N6 124.1E8

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FORECASTS:

12 HRS, VALID AT:

051200Z8 --- 34.7N4 124.9E6
MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
RADIUS OF 050 KT WINDS - 065 NM NORTHEAST QUADRANT
065 NM SOUTHEAST QUADRANT
045 NM SOUTHWEST QUADRANT
045 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 190 NM NORTHEAST QUADRANT OVER WATER
190 NM SOUTHEAST QUADRANT
OVER WATER
150 NM SOUTHWEST QUADRANT
150 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 030 DEG/ 07 KTS

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24 HRS, VALID AT:

060000Z6 --- 36.0N9 125.8E6
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT OVER WATER
150 NM SOUTHEAST QUADRANT
OVER WATER
110 NM SOUTHWEST QUADRANT
110 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 030 DEG/ 07 KTS

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36 HRS, VALID AT:

061200Z9 --- 37.3N3 126.7E6
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
RADIUS OF 034 KT WINDS - 075 NM NORTHEAST QUADRANT OVER WATER
120 NM SOUTHEAST QUADRANT
OVER WATER
080 NM SOUTHWEST QUADRANT
OVER WATER
080 NM NORTHWEST QUADRANT
OVER WATER
VECTOR TO 48 HR POSIT: 040 DEG/ 06 KTS

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EXTENDED OUTLOOK:

48 HRS, VALID AT:

070000Z7 --- 38.2N3 127.7E7
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND

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REMARKS:

050300Z8 POSITION NEAR 32.8N3 124.3E0.

TYPHOON (TY) 09W (RAMMASUN), LOCATED APPROXIMATELY 70 NM EAST- NORTHEAST OF SHANGHAI, HAS TRACKED NORTHWARD AT 14 KNOTS OVER THE PAST 6 HOURS. THE WARNING POSITION IS BASED ON 042330Z2 MULTISPECTRAL SATELLITE IMAGERY. THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY ESTIMATES OF 65 KNOTS. ANIMATED VISIBLE SATELLITE IMAGERY DEPICTS A RAPIDLY WEAKENING SYSTEM AS IT INTERACTS WITH THE LONG WAVE SITUATED OVER THE CHINA COAST AND CONTINUES TO TRACK OVER INCREASINGLY COOLER WATERS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 050000Z5 IS 30 FEET. REFER TO WWPW30 RJTX FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 050900Z4, 051500Z1, 052100Z8 AND 060300Z9. REFER TO TYPHOON 08W (CHATAAN) WARNINGS (WTPN31 PGTW) FOR SIX-HOURLY UPDATES.//