Tropical Storm NANGKA Advisory 10月14日

MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL STORM 18W (NANGKA) WARNING NR 009//
RMKS/
1. TROPICAL STORM 18W (NANGKA) WARNING NR 009
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   131800Z --- NEAR 19.8N 108.9E
     MOVEMENT PAST SIX HOURS - 300 DEGREES AT 17 KTS
     POSITION ACCURATE TO WITHIN 020 NM
     POSITION BASED ON CENTER LOCATED BY A COMBINATION OF
     SATELLITE AND RADAR
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 170 NM NORTHEAST QUADRANT
                            035 NM SOUTHEAST QUADRANT
                            075 NM SOUTHWEST QUADRANT
                            145 NM NORTHWEST QUADRANT
   REPEAT POSIT: 19.8N 108.9E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   140600Z --- 19.9N 106.8E
   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 160 NM NORTHEAST QUADRANT
                            050 NM SOUTHEAST QUADRANT
                            030 NM SOUTHWEST QUADRANT
                            080 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 270 DEG/ 09 KTS
    ---
   24 HRS, VALID AT:
   141800Z --- 19.9N 104.9E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
   VECTOR TO 36 HR POSIT: 270 DEG/ 08 KTS
    ---
   36 HRS, VALID AT:
   150600Z --- 19.9N 103.2E
   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
    ---
REMARKS:
132100Z POSITION NEAR 19.8N 108.4E.
13OCT20. TROPICAL STORM 18W (NANGKA), LOCATED APPROXIMATELY 183 NM
EAST-SOUTHEAST OF HANOI, VIETNAM, HAS TRACKED WEST-NORTHWESTWARD AT
17 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SIGNIFICANT WAVE HEIGHT
AT 131800Z IS 15 FEET. NEXT WARNINGS AT 140300Z, 140900Z, 141500Z
AND 142100Z.//
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