Subject: Pacific-NW: 1. Typhoon Keith (29w) Warning Nr 043

From: SIU Weather Processor <[email-masked]>
Date: Fri, 7 Nov 1997 03:14:25 -0600

966
WTPN31 PGTW 070900
1. TYPHOON KEITH (29W) WARNING NR 043
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   070600Z3 --- 25.7N4 141.4E0
     MOVEMENT PAST SIX HOURS - 055 DEGREES AT 20 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT
   RADIUS OF 050 KT WINDS - 090 NM EAST SEMICIRCLE
                            075 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 250 NM EAST SEMICIRCLE
                            205 NM ELSEWHERE
   REPEAT POSIT: 25.7N4 141.4E0
    ---
   FORECASTS:

PAGE 03 RUHGSGG8150 UNCLAS
   12 HRS, VALID AT:
   071800Z6 --- 28.4N4 145.7E7
   MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT
   RADIUS OF 050 KT WINDS - 075 NM EAST SEMICIRCLE
                            060 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 250 NM EAST SEMICIRCLE
                            205 NM ELSEWHERE
   VECTOR TO 24 HR POSIT: 055 DEG/ 26 KTS
    ---
   24 HRS, VALID AT:
   080600Z4 --- 31.2N6 150.7E3
   MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
   RADIUS OF 050 KT WINDS - 065 NM EAST SEMICIRCLE
                            050 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 230 NM EAST SEMICIRCLE
                            185 NM ELSEWHERE
   VECTOR TO 36 HR POSIT: 065 DEG/ 29 KTS
    ---
   36 HRS, VALID AT:
   081800Z7 --- 33.7N3 156.9E1

PAGE 04 RUHGSGG8150 UNCLAS
   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
   BECOMING EXTRATROPICAL
   RADIUS OF 035 KT WINDS - 210 NM SOUTHEAST SEMICIRCLE
                            175 NM ELSEWHERE
   VECTOR TO 48 HR POSIT: 065 DEG/ 32 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   090600Z5 --- 36.4N3 164.0E1
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   EXTRATROPICAL
   VECTOR TO 72 HR POSIT: 070 DEG/ 36 KTS
    ---
   72 HRS, VALID AT:
   100600Z7 --- 39.5N7 178.1W7
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   EXTRATROPICAL
    ---
REMARKS:
070900Z6 POSITION 26.4N2  142.5E2

PAGE 05 RUHGSGG8150 UNCLAS
TYPHOON KEITH (29W) IS MOVING NORTHEASTWARD AT 20 KNOTS.
THE SYSTEM IS EXPECTED TO TRACK EAST-NORTHEASTWARD AND
ACCELERATE. TYPHOON KEITH (29W) IS FORECAST TO WEAKEN AND
BECOME EXTRATROPICAL BY THE 48-HOUR POSITION. THE WIND
RADII WERE ADJUSTED BASED ON A 070119Z8 SCATTEROMETER
PASS. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 070600Z IS 25
FEET. REFER TO WWPW30 PGFW FOR ADDITIONAL SEA HEIGHT
INFORMATION. NEXT WARNINGS AT 071500Z3 (DTG 071353Z9),
072100Z0 (DTG 071953Z5), 080300Z1 (DTG 080153Z7) AND
080900Z7 (DTG 080753Z3).//
BT
#8150

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