Subject: Pacific-NW: 1. Super Typhoon Keith (29w) Warning Nr 24

From: SIU Weather Processor <[email-masked]>
Date: Sun, 2 Nov 1997 09:55:58 -0600

612
WTPN31 PGTW 021500
1. SUPER TYPHOON KEITH (29W) WARNING NR 24
   02 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   021200Z5 --- 14.8N3 144.3E2
     MOVEMENT PAST SIX HOURS - 285 DEGREES AT 15 KTS
     POSITION ACCURATE TO WITHIN 015 NM
     POSITION BASED ON EYE FIXED BY A COMBINATION OF
     SATELLITE AND DOPPLER RADAR
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 150 KT, GUSTS 180 KT
   RADIUS OF 100 KT WINDS - 020 NM
   RADIUS OF 050 KT WINDS - 075 NM NORTHEAST SEMICIRCLE
                            055 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 105 NM SOUTHWEST SEMICIRCLE
                            130 NM ELSEWHERE
   REPEAT POSIT: 14.8N3 144.3E2
    ---
   FORECASTS:
   12 HRS, VALID AT:
   030000Z3 --- 15.6N2 141.6E2
   MAX SUSTAINED WINDS - 145 KT, GUSTS 175 KT
   RADIUS OF 100 KT WINDS - 020 NM
   RADIUS OF 050 KT WINDS - 075 NM NORTHEAST SEMICIRCLE
                            055 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 135 NM NORTHEAST SEMICIRCLE
                            100 NM ELSEWHERE
   VECTOR TO 24 HR POSIT: 290 DEG/ 13 KTS
    ---
   24 HRS, VALID AT:
   031200Z6 --- 16.4N1 139.0E3
   MAX SUSTAINED WINDS - 140 KT, GUSTS 170 KT
   RADIUS OF 100 KT WINDS - 020 NM
   RADIUS OF 050 KT WINDS - 075 NM NORTHEAST SEMICIRCLE
                            055 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 135 NM NORTHEAST SEMICIRCLE
                            100 NM ELSEWHERE
   VECTOR TO 36 HR POSIT: 300 DEG/ 11 KTS
    ---
   36 HRS, VALID AT:
   040000Z4 --- 17.4N2 137.0E1
   MAX SUSTAINED WINDS - 135 KT, GUSTS 165 KT
   RADIUS OF 100 KT WINDS - 020 NM
   RADIUS OF 050 KT WINDS - 075 NM NORTHEAST SEMICIRCLE
                            055 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 105 NM SOUTHWEST QUADRANT
                            140 NM ELSEWHERE
   VECTOR TO 48 HR POSIT: 325 DEG/ 10 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   041200Z7 --- 19.0N0 135.9E8
   MAX SUSTAINED WINDS - 130 KT, GUSTS 160 KT
   RADIUS OF 100 KT WINDS - 020 NM
   RADIUS OF 050 KT WINDS - 070 NM EAST SEMICIRCLE
                            050 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 105 NM SOUTHWEST QUADRANT
                            140 NM ELSEWHERE
   VECTOR TO 72 HR POSIT: 355 DEG/ 08 KTS
    ---
   72 HRS, VALID AT:
   051200Z8 --- 22.0N4 135.7E6
   MAX SUSTAINED WINDS - 130 KT, GUSTS 160 KT
   RADIUS OF 100 KT WINDS - 020 NM
   RADIUS OF 050 KT WINDS - 070 NM EAST SEMICIRCLE
                            050 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 105 NM SOUTHWEST QUADRANT
                            140 NM ELSEWHERE
    ---
REMARKS:
021500Z8 POSITION 15.0N6  143.6E4
SUPER TYPHOON KEITH (29W) HAS TRACKED WEST-NORTHWESTWARD
THROUGH THE SOUTHERN MARIANA ISLANDS DURING THE PAST 06
HOURS WHILE WEAKENING SLIGHTLY. WARNING INTENSITY IS
BASED ON A COMBINATION OF 121130Z8 SATELLITE INTENSITY
ESTIMATES OF 7.0 AND 7.5 (140 TO 155 KNOTS), AND DOPPLER
VELOCITIES OF 140 TO 145 KNOTS BETWEEN 7,000 AND 32,000
FEET ABOUT SEA LEVEL ON THE SOUTH SIDE OF THE EYEWALL.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 021200Z5 IS 44 FEET.
REFER TO WWPW30 PGFW FOR ADDITIONAL SEA HEIGHT
INFORMATION. NEXT WARNINGS AT 022100Z5 (DTG 021953Z0),
030300Z6 (DTG 030153Z2), 030900Z2 (DTG 030753Z8) AND
031500Z9 (DTG 031353Z5). REFER TO TROPICAL STORM LINDA
(30W) WARNINGS (WTPN32 PGTW) FOR SIX-HOURLY UPDATES.//

AUTODIN MESSAGE RECEIVD AT AFGWC: RUHGSGG34023061353

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