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Updated: Mon 29 Nov 2021 17:07 GMT

Tropical Storm NAMTHEUN (23W)

Tropical Storm NAMTHEUN Forecast Graphic Tropical Storm NAMTHEUN Forecast Graphic
Tropical Storm NAMTHEUN Forecast Track (Joint Typhoon Warning Center)
Tropical Storm NAMTHEUN Storm-Centered Infrared Tropical Storm NAMTHEUN Storm-Centered Enhanced Infrared Tropical Storm NAMTHEUN Storm-Centered Visible

Tropical Storm NAMTHEUN Warning Text (JTWC)

SUBJ:  TROPICAL STORM 23W (NAMTHEUN) WARNING NR 031    
WTPN32 PGTW 171500    
1. TROPICAL STORM 23W (NAMTHEUN) WARNING NR 031    
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   171200Z --- NEAR 36.1N 167.1E
     MOVEMENT PAST SIX HOURS - 350 DEGREES AT 13 KTS
     POSITION ACCURATE TO WITHIN 030 NM
     POSITION BASED ON CENTER LOCATED BY SATELLITE
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   BECOMING EXTRATROPICAL
   RADIUS OF 034 KT WINDS - 125 NM NORTHEAST QUADRANT
                            080 NM SOUTHEAST QUADRANT
                            000 NM SOUTHWEST QUADRANT
                            090 NM NORTHWEST QUADRANT
   REPEAT POSIT: 36.1N 167.1E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   180000Z --- 39.3N 169.0E
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   EXTRATROPICAL
   RADIUS OF 034 KT WINDS - 125 NM NORTHEAST QUADRANT
                            080 NM SOUTHEAST QUADRANT
                            000 NM SOUTHWEST QUADRANT
                            090 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 050 DEG/ 27 KTS
    ---
   24 HRS, VALID AT:
   181200Z --- 42.5N 174.7E
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   EXTRATROPICAL
    ---
REMARKS:
171500Z POSITION NEAR 36.9N 167.6E.
17OCT21. TROPICAL STORM (TS) 23W (NAMTHEUN), LOCATED APPROXIMATELY
984 NM NORTHEAST OF MINAMI TORI SHIMA, HAS TRACKED NORTHWARD AT 13
KNOTS OVER THE PAST SIX HOURS.

THIS IS THE FINAL WARNING ON THIS SYSTEM BY THE JOINT TYPHOON
WRNCEN PEARL HARBOR HI. THE SYSTEM WILL BE CLOSELY MONITORED FOR
SIGNS OF REGENERATION. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 171200Z
IS 17 FEET.//
BT
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Tropical Storm NAMTHEUN Prognostic Reasoning (JTWC)

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