CHOI-WAN WEAKENED SLIGHTLY BUT REMAINS DANGEROUS, THREATHENS IWO-JIMA ISLANDS

IMAGERY OF THE DAY
SEPTEMBER 17, 2009

WIND STRUCTURE OF CHOI-WAN

STRUCTURE OF CHOI-WAN

EYE AND EYEWALL OF CHOI-WAN

SUPER TYPHOON CHOI-WAN/15W (CATEGORY 4)

LOCATION: 20.78N, 140.47E
MSLP: 922MB
WINDSPEED: 135-165KT (250-306KPH)
MOVEMENT: NNW 8KT/15KPH
RAINRATE: 12MM/HR
EYE TEMP: +8C AT 13KM HIGH 55KM RADIUS
CENTER TEMP.: (DVORAK): +10.60C
CONVECTION: LEVEL 5 (-69.25C)
NEXT 12HRS: 130-135KT/241-250KPH

DVORAK
MSLP : 908.6MB VMAX: 132KT/244KPH

DIFFERENT AGENCIES:
(JTWC): MSLP : 908.6MB VMAX: 132KT/244KPH
(RSMC): MSLP : 908.6MB VMAX: 132KT/244KPH
(CIMSS): MSLP : 908.6MB VMAX: 132KT/244KPH
(RAMMB-CIRA): MSLP : 896.6MB VMAX: 144KT/269KPH
(PAGASA): MSLP : 0MB VMAX: 0KT/0KPH

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