Subject: Pacific-NW: Marine Warning -121453 (AUTOMATIC)

From: Charley Kline <[email-masked]>
Date: Sat, 12 Oct 1996 14:53:32 -0500

ZCZC DD+ 47003
WTPN31 PGTW 122100
1. TROPICAL DEPRESSION 30W WARNING NR 008
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   121800Z2 --- 18.1N0 118.8E8
     MOVEMENT PAST SIX HOURS - 300 DEGREES AT 07 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
     SATELLITE AND SYNOPTIC DATA
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   REPEAT POSIT: 18.1N0 118.8E8
    ---
   FORECASTS:
   12 HRS, VALID AT:
   130600Z0 --- 18.5N4 117.4E3
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   VECTOR TO 24 HR POSIT: 295 DEG/ 07 KTS
    ---
   24 HRS, VALID AT:
   131800Z3 --- 19.1N1 116.0E8
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   RADIUS OF 035 KT WINDS - 045 NM SOUTHEAST QUADRANT
                            075 NM ELSEWHERE
   VECTOR TO 36 HR POSIT: 310 DEG/ 07 KTS
    ---
   36 HRS, VALID AT:
   140600Z1 --- 20.0N2 114.9E5
   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
   RADIUS OF 035 KT WINDS - 055 NM SOUTHEAST QUADRANT
                            085 NM ELSEWHERE
   VECTOR TO 48 HR POSIT: 325 DEG/ 07 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   141800Z4 --- 21.1N4 114.0E6
   MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
   RADIUS OF 050 KT WINDS - 030 NM NORTH SEMICIRCLE
                            020 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 065 NM SOUTHEAST QUADRANT
                                   OVER WATER
                            100 NM ELSEWHERE
   VECTOR TO 72 HR POSIT: 335 DEG/ 08 KTS
    ---
   72 HRS, VALID AT:
   151800Z5 --- 24.1N7 112.4E8
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER
LAND
    ---
REMARKS:
122100Z6 POSITION 18.2N1  118.4E4
DURING THE PAST 06 HOURS, TROPICAL DEPRESSION 30W HAS
TRACKED TOWARD THE WEST-NORTHWEST AT 07 KNOTS AND CHANGED
LITTLE. MOST OF THE DEEP CONVECTION REMAINS SHEARED TO
THE NORTHWEST. HOWEVER, SATELLITE IMAGERY DURING THE PAST
03 HOURS SUGGESTS THAT THE LOW-LEVEL CIRCULATION MAY BE
DRAWING CLOSER UNDER THE DEEP CONVECTION. TD 30W IS
EXPECTED TO CONTINUE ON A GENERAL WEST-NORTHWEST TRACK
AND SLOWLY TURN MORE TOWARD THE NORTHWEST OR NORTH IF THE
LOW-LEVEL CENTER BECOMES COUPLED WITH THE DEEP
CONVECTION. IF THIS DOES NOT OCCUR, THEN TD 30W WILL
LIKELY REMAIN A TROPICAL DEPRESSION AND TRACK OFF TO THE
WEST-NORTHWEST OR WEST THROUGH THE FORECAST PERIOD.
MINIMUM SEA-LEVEL PRESSURE IS ESTIMATED TO BE 1003 MB.
NEXT WARNINGS AT 130300Z7 (DTG 130153Z3), 130900Z3 (DTG
130753Z9), 131500Z0 (DTG 131353Z6) AND 132100Z7 (DTG
131953Z2). MAXIMUM SIGNIFICANT WAVE HEIGHT AT 121800Z IS
10 FEET. REFER TO WWPW31 PGFW FOR ADDITIONAL SEA HEIGHT
INFORMATION.//

NNNN

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