Subject: Pacific-NW: Ampn/tropical Cyclone Formation Alert//

From: SIU Weather Processor <[email-masked]>
Date: Sun, 13 Jan 2008 02:42:05 -0600

WTPN31 PGTW 130900
MSGID/GENADMIN/NAVPACMETOCCEN PEARL HARBOR HI/JTWC//
SUBJ/TROPICAL CYCLONE WARNING//
REF/A/NAVPACMETOCCEN PEARL HARBOR HI/121721Z JAN 08//
AMPN/TROPICAL CYCLONE FORMATION ALERT//
RMKS/
1. TROPICAL DEPRESSION 01W WARNING NR 001
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   130600Z --- NEAR 13.0N 118.1E
     MOVEMENT PAST SIX HOURS - 300 DEGREES AT 08 KTS
     POSITION ACCURATE TO WITHIN 060 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   REPEAT POSIT: 13.0N 118.1E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   131800Z --- 13.2N 116.5E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 24 HR POSIT: 255 DEG/ 08 KTS
    ---
   24 HRS, VALID AT:
   140600Z --- 12.8N 115.0E
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   VECTOR TO 36 HR POSIT: 245 DEG/ 08 KTS
    ---
   36 HRS, VALID AT:
   141800Z --- 12.1N 113.5E
   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   VECTOR TO 48 HR POSIT: 240 DEG/ 06 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   150600Z --- 11.5N 112.4E
   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
    ---
REMARKS:
130900Z POSITION NEAR 13.0N 117.7E.
TROPICAL DEPRESSION (TD) 01W, LOCATED APPROXIMATELY 195 NM WEST-
SOUTHWEST OF MANILA, PHILIPPINES, HAS TRACKED WEST-NORTHWEST AT
08 KNOTS DURING THE PAST SIX HOURS. RECENT SCATTEROMETRY AND DVORAK
INTENSITY ESTIMATES INDICATE 25-KNOT WINDS AT THE SYSTEM CENTER.
THE SYSTEM IS EXPECTED TO BE SHORT-LIVED AS IT BEGINS TO IN-
TERACT WITH A DRY, COLD AIR SURGE OVER THE NORTHERN SOUTH CHINA
SEA. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 130600Z IS 13 FEET.
NEXT WARNINGS AT 131500Z, 132100Z, 140300Z AND 140900Z.
THIS WARNING SUPERSEDES AND CANCELS REF A, NAVPACMETOCCEN
121721Z JAN 08 TROPICAL CYCLONE FORMATION ALERT (WTPN21
PGTW 121730).
//

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