Subject: Pacific-NW: 1. Typhoon Mort (31w) Warning Nr 009

From: SIU Weather Processor <[email-masked]>
Date: Wed, 12 Nov 1997 14:02:02 -0600

209
WTPN31 PGTW 122100
1. TYPHOON MORT (31W) WARNING NR 009
   UPGRADED FROM TROPICAL STORM 31W
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   121800Z2 --- 13.6N0 133.1E8
     MOVEMENT PAST SIX HOURS - 285 DEGREES AT 10 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
   RADIUS OF 050 KT WINDS - 010 NM
   RADIUS OF 035 KT WINDS - 065 NM NORTH SEMICIRCLE
                            045 NM ELSEWHERE
   REPEAT POSIT: 13.6N0 133.1E8
    ---
   FORECASTS:
   12 HRS, VALID AT:
   130600Z0 --- 14.2N7 131.2E7
   MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
   RADIUS OF 050 KT WINDS - 020 NM
   RADIUS OF 035 KT WINDS - 075 NM NORTH SEMICIRCLE
                            055 NM ELSEWHERE
   VECTOR TO 24 HR POSIT: 290 DEG/ 08 KTS
    ---
   24 HRS, VALID AT:
   131800Z3 --- 14.7N2 129.6E8
   MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT
   RADIUS OF 050 KT WINDS - 030 NM NORTH SEMICIRCLE
                            020 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 090 NM NORTH SEMICIRCLE
                            070 NM ELSEWHERE
   VECTOR TO 36 HR POSIT: 290 DEG/ 08 KTS
    ---
   36 HRS, VALID AT:
   140600Z1 --- 15.2N8 128.0E1
   MAX SUSTAINED WINDS - 085 KT, GUSTS 105 KT
   RADIUS OF 050 KT WINDS - 040 NM NORTH SEMICIRCLE
                            030 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 105 NM NORTH SEMICIRCLE
                            085 NM ELSEWHERE
   VECTOR TO 48 HR POSIT: 290 DEG/ 06 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   141800Z4 --- 15.6N2 126.8E7
   MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT
   RADIUS OF 050 KT WINDS - 050 NM NORTH SEMICIRCLE
                            040 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 120 NM NORTH SEMICIRCLE
                            100 NM ELSEWHERE
   VECTOR TO 72 HR POSIT: 300 DEG/ 06 KTS
    ---
   72 HRS, VALID AT:
   151800Z5 --- 16.7N4 124.8E5
   MAX SUSTAINED WINDS - 105 KT, GUSTS 130 KT
   RADIUS OF 100 KT WINDS - 010 NM
   RADIUS OF 050 KT WINDS - 065 NM NORTH SEMICIRCLE
                            050 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 135 NM NORTH SEMICIRCLE
                            115 NM ELSEWHERE
    ---
REMARKS:
122100Z6 POSITION 13.7N1  132.6E2
TYPHOON MORT (31W) IS MOVING WEST-NORTHWESTWARD AT 10
KNOTS. THE SYSTEM CONTINUES ITS PRESENT TRACK AND IS
GRADUALLY INTENSIFYING. TYPHOON MORT (31W) HAS BECOME
BETTER ORGANIZED OVER THE PAST SIX HOURS. SPIRAL BANDING
AND DEEP CENTRAL CONVECTION HAVE INCREASED SIGNIFICANTLY.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 121800Z IS 17 FEET.
REFER TO WWPW31 PGFW FOR ADDITIONAL SEA HEIGHT
INFORMATION. NEXT WARNINGS AT 130300Z7 (DTG 130153Z3),
130900Z3 (DTG 130753Z9), 131500Z0 (DTG 131353Z6) AND
132100Z7 (DTG 131953Z2).//

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