WTPN31 PGTW 032100
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 21W (PEIPAH) WARNING NR 002//
RMKS/
1. TROPICAL DEPRESSION 21W (PEIPAH) WARNING NR 002    
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   031800Z --- NEAR 28.1N 131.1E
     MOVEMENT PAST SIX HOURS - 340 DEGREES AT 12 KTS
     POSITION ACCURATE TO WITHIN 030 NM
     POSITION BASED ON CENTER LOCATED BY A COMBINATION OF 
     SATELLITE, RADAR AND SYNOPTIC DATA
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   REPEAT POSIT: 28.1N 131.1E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   040600Z --- 30.6N 131.3E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
                            070 NM SOUTHEAST QUADRANT
                            000 NM SOUTHWEST QUADRANT
                            000 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 035 DEG/ 13 KTS
    ---
   24 HRS, VALID AT:
   041800Z --- 32.8N 133.0E
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
                            090 NM SOUTHEAST QUADRANT
                            040 NM SOUTHWEST QUADRANT
                            010 NM NORTHWEST QUADRANT
   VECTOR TO 36 HR POSIT: 065 DEG/ 18 KTS
    ---
   36 HRS, VALID AT:
   050600Z --- 34.4N 136.9E
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
                            090 NM SOUTHEAST QUADRANT
                            110 NM SOUTHWEST QUADRANT
                            020 NM NORTHWEST QUADRANT
   VECTOR TO 48 HR POSIT: 070 DEG/ 14 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   051800Z --- 35.3N 140.2E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   BECOMING EXTRATROPICAL
   RADIUS OF 034 KT WINDS - 170 NM NORTHEAST QUADRANT
                            110 NM SOUTHEAST QUADRANT
                            160 NM SOUTHWEST QUADRANT
                            140 NM NORTHWEST QUADRANT
   VECTOR TO 72 HR POSIT: 090 DEG/ 16 KTS
    ---
   72 HRS, VALID AT:
   061800Z --- 35.2N 148.1E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   EXTRATROPICAL
   RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT
                            130 NM SOUTHEAST QUADRANT
                            170 NM SOUTHWEST QUADRANT
                            210 NM NORTHWEST QUADRANT
    ---
REMARKS:
032100Z POSITION NEAR 28.7N 131.1E.
03SEP25. TROPICAL DEPRESSION 21W (PEIPAH), LOCATED APPROXIMATELY
376 NM SOUTH OF IWAKUNI, JAPAN, HAS TRACKED NORTH-NORTHWESTWARD
AT 12 KNOTS OVER THE PAST SIX HOURS.
MINIMUM CENTRAL PRESSURE AT 031800Z IS 1002 MB. MAXIMUM
SIGNIFICANT WAVE HEIGHT AT 031800Z IS 15 FEET. NEXT WARNINGS AT
040300Z, 040900Z, 041500Z AND 042100Z.
//
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