WTPN31 PGTW 091500    
1. TROPICAL DEPRESSION 13W WARNING NR 003    
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   091200Z2 --- NEAR 16.8N5 113.0E5
     MOVEMENT PAST SIX HOURS - 300 DEGREES AT 06 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
   REPEAT POSIT: 16.8N5 113.0E5
    ---
   FORECASTS:
   12 HRS, VALID AT:
   100000Z1 --- 17.4N2 111.6E9
   MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
   VECTOR TO 24 HR POSIT: 290 DEG/ 09 KTS
    ---
   24 HRS, VALID AT:
   101200Z4 --- 18.0N9 109.8E8
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   VECTOR TO 36 HR POSIT: 280 DEG/ 10 KTS
    ---
   36 HRS, VALID AT:
   110000Z2 --- 18.4N3 107.8E6
   MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
   RADIUS OF 035 KT WINDS - 065 NM NORTHEAST QUADRANT    
                                   OVER WATER
                            045 NM SOUTHEAST QUADRANT    
                            045 NM SOUTHWEST QUADRANT    
                            065 NM NORTHWEST QUADRANT    
   VECTOR TO 48 HR POSIT: 275 DEG/ 09 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   111200Z5 --- 18.5N4 105.9E5
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
   VECTOR TO 72 HR POSIT: 270 DEG/ 06 KTS
    ---
   72 HRS, VALID AT:
   121200Z6 --- 18.4N3 103.5E9
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER LAND
    ---
REMARKS:
091500Z5 POSITION NEAR 17.0N8 112.6E0.
TROPICAL DEPRESSION (TD) 13W (NONAME) LOCATED SOUTHEAST OF 
HAINAN ISLAND OVER THE SOUTH CHINA SEA, HAS TRACKED WEST-
NORTHWESTWARD AT 06 KNOTS DURING THE PAST SIX HOURS. THE WARNING 
POSITION IS BASED ON 091130Z4 ENHANCED INFRARED SATELLITE IMAGERY. 
THE WARNING INTENSITY IS BASED ON CURRENT SATELLITE INTENSITY 
ESTIMATES OF 25 TO 30 KNOTS. A 091009Z9 SPECIAL SENSOR MICROWAVE 
IMAGER (SSM/I) PASS DEPICTED AN EXPOSED LOW-LEVEL CIRCULATION WITH A 
POSSIBLE WEAK BANDING FEATURE ATTEMPTING TO WRAP INTO THE VORTEX 
FROM THE SOUTHWEST. 30 TO 40 KNOT UPPER LEVEL EASTERLIES EXTENDING 
OVER THE REGION CONTINUE TO HAMPER FURTHER DEVELOPMENT. MAXIMUM 
SIGNIFICANT WAVE HEIGHT AT 091200Z2 IS 08 FEET. REFER TO WWPW31 RJTX 
FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 092100Z2, 
100300Z4, 100900Z0 AND 101500Z7. THE JTWC WEBSITE HAS CHANGED TO:
HTTPS://WWW.NPMOC.NAVY.MIL/JTWC.HTML. THIS CHANGE IS FOR SECURITY
REASONS ONLY. THE CONTENT OF THE WEBSITE HAS NOT CHANGED.//