Subject: Pacific-NW: 1. Typhoon Paka (05c) Warning Nr 034

From: SIU Weather Processor <[email-masked]>
Date: Wed, 10 Dec 1997 15:26:40 -0600

963
WTPN31 PGTW 102100
1. TYPHOON PAKA (05C) WARNING NR 034

PAGE 02 RUEDMCB0263 UNCLAS //NO3145//
   UPGRADED FROM TROPICAL STORM 05C
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   101800Z0 --- 6.9N5 169.9E5
     MOVEMENT PAST SIX HOURS - 270 DEGREES AT 07 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE AND
     BY DOPPLER RADAR
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
   RADIUS OF 050 KT WINDS - 080 NM NORTH SEMICIRCLE
                            055 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 130 NM NORTH SEMICIRCLE
                            090 NM ELSEWHERE
   REPEAT POSIT: 6.9N5 169.9E5
    ---
   FORECASTS:
   12 HRS, VALID AT:

PAGE 03 RUEDMCB0263 UNCLAS //NO3145//
   110600Z8 --- 7.0N7 168.2E7
   MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT
   RADIUS OF 050 KT WINDS - 080 NM NORTH SEMICIRCLE
                            055 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 135 NM NORTH SEMICIRCLE
                            090 NM ELSEWHERE
   VECTOR TO 24 HR POSIT: 275 DEG/ 09 KTS
    ---
   24 HRS, VALID AT:
   111800Z1 --- 7.2N9 166.3E6
   MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT
   RADIUS OF 050 KT WINDS - 080 NM NORTH SEMICIRCLE
                            055 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 135 NM NORTH SEMICIRCLE
                            090 NM ELSEWHERE
   VECTOR TO 36 HR POSIT: 275 DEG/ 08 KTS
    ---
   36 HRS, VALID AT:
   120600Z9 --- 7.4N1 164.6E7
   MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT

PAGE 04 RUEDMCB0263 UNCLAS //NO3145//
   RADIUS OF 050 KT WINDS - 080 NM NORTH SEMICIRCLE
                            055 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 135 NM NORTH SEMICIRCLE
                            090 NM ELSEWHERE
   VECTOR TO 48 HR POSIT: 275 DEG/ 09 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   121800Z2 --- 7.6N3 162.8E7
   MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
   RADIUS OF 050 KT WINDS - 075 NM NORTH SEMICIRCLE
                            050 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 130 NM NORTH SEMICIRCLE
                            090 NM ELSEWHERE
   VECTOR TO 72 HR POSIT: 275 DEG/ 09 KTS
    ---
   72 HRS, VALID AT:
   131800Z3 --- 7.9N6 159.3E8
   MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
   RADIUS OF 050 KT WINDS - 075 NM NORTH SEMICIRCLE

PAGE 05 RUEDMCB0263 UNCLAS //NO3145//
                            050 NM ELSEWHERE
   RADIUS OF 035 KT WINDS - 130 NM NORTH SEMICIRCLE
                            090 NM ELSEWHERE
    ---
REMARKS: 102100Z POSITION: 6.9N5 169.0E6
TYPHOON PAKA (05C) IS MOVING WESTWARD AT 7 KNOTS.  THERE
IS NO SIGNIFICANT CHANGE TO FORECAST PHILOSOPHY.  THE
SYSTEM HAS SHOWN IMPROVED ORGANIZATION AND UPPER-LEVEL
OUTFLOW OVER THE PAST 6 TO 12 HOURS.  WARNING POSITION
AND INTENSITY ARE BASED ON INFRARED SATELLITE IMAGERY AND
DOPPLER RADAR FROM KWAJALEIN (WMO 91366).  WIND RADII
HAVE BEEN EXPANDED BASED ON SYNOPTIC OBSERVATIONS FROM
JALUIT (WMO 91369) AND ALINGLAPALAP (WMO 91367).  MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 101800Z IS 21 FEET.  REFER TO
WWPW31 PGFW FOR ADDITIONAL SEA HEIGHT INFORMATION.  NEXT
WARNINGS AT 110300Z5 (DTG 110151Z9), 110900Z1 (DTG
10751Z5), 111500Z8 (DTG 111351Z2) AND 112100Z5 (DTG
111951Z7).//
BT
#0263

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