Subject: Pacific-NW: 1. Tropical Storm Mort (31w) Warning Nr 019

From: SIU Weather Processor <[email-masked]>
Date: Sat, 15 Nov 1997 02:36:18 -0600

537
WTPN31 PGTW 150900
1. TROPICAL STORM MORT (31W) WARNING NR 019
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   150600Z2 --- 15.0N6 124.1E8
     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:

PAGE 03 RUHGSGG1842 UNCLAS
   MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
   RADIUS OF 050 KT WINDS - 010 NM
   RADIUS OF 035 KT WINDS - 050 NM NORTH SEMICIRCLE
                            035 NM ELSEWHERE
   REPEAT POSIT: 15.0N6 124.1E8
    ---
   FORECASTS:
   12 HRS, VALID AT:
   151800Z5 --- 15.6N2 122.4E9
   MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
   RADIUS OF 050 KT WINDS - 010 NM
   RADIUS OF 035 KT WINDS - 050 NM NORTH SEMICIRCLE
                            035 NM ELSEWHERE
   VECTOR TO 24 HR POSIT: 300 DEG/ 08 KTS
    ---
   24 HRS, VALID AT:
   160600Z3 --- 16.4N1 121.0E4
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER
LAND

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   VECTOR TO 30 HR POSIT: 300 DEG/ 08 KTS
    ---
   30 HRS, VALID AT:
   161200Z0 --- 16.8N5 120.3E6
   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
    ---
REMARKS:
150900Z5 POSITION 15.2N8  123.7E3
TROPICAL STORM MORT (31W) HAS TRACKED WEST-NORTHWESTWARD
DURING THE PAST 06 HOURS AND HAS INTENSIFIED SLIGHTLY.
SATELLITE IMAGERY INDICATES A LARGE, WELL-DEFINED
CONVECTIVE BAND HAS TIGHTENED UP AROUND THE SOUTH AND
EAST SIDE OF THE LOW-LEVEL CIRCULATION. HOWEVER, SOME
NORTHWESTERLY VERTICAL WIND SHEAR IS STILL APPARENT ON
THE SYSTEM, AND LITTLE, IF ANY, ADDITIONAL STRENGTHENING
IS EXPECTED. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 150600Z
IS 17 FEET. REFER TO WWPW30 PGFW FOR ADDITIONAL SEA
HEIGHT INFORMATION. NEXT WARNINGS AT 151500Z2 (DTG
151353Z8), 152100Z9 (DTG 151953Z4), 160300Z0 (DTG

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160153Z6) AND 160900Z6 (DTG 160753Z2).//
BT
#1842

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