WTPN31 PGTW 030900    
1. TROPICAL DEPRESSION 33W (RUMBIA) WARNING NR 022    
   01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
    ---
   WARNING POSITION:
   030600Z9 --- NEAR 11.2N4 116.0E8
     MOVEMENT PAST SIX HOURS - 265 DEGREES AT 19 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
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   REPEAT POSIT: 11.2N4 116.0E8
    ---
   FORECASTS:
   12 HRS, VALID AT:
   031800Z2 --- 11.0N2 114.7E3
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   VECTOR TO 24 HR POSIT: 245 DEG/ 07 KTS
    ---
   24 HRS, VALID AT:
   040600Z0 --- 10.4N5 113.5E0
   MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   VECTOR TO 36 HR POSIT: 240 DEG/ 07 KTS
    ---
   36 HRS, VALID AT:
   041800Z3 --- 9.7N6 112.2E6
   MAX SUSTAINED WINDS - 020 KT, GUSTS 030 KT
   DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
   VECTOR TO 48 HR POSIT: 240 DEG/ 09 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   050600Z1 --- 8.8N6 110.7E9
   MAX SUSTAINED WINDS - 015 KT, GUSTS 025 KT
   DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
    ---
REMARKS:
030900Z2 POSITION NEAR 11.2N4 115.7E4.
TROPICAL DEPRESSION (TD) 33W (RUMBIA), LOCATED WEST OF THE 
PHILIPPINE ISLAND OF PALAWAN, HAS TRACKED WESTWARD AT 19 
KNOTS DURING THE PAST 6 HOURS. THE WARNING POSITION IS BASED ON 
030530Z1 VISIBLE AND INFRARED SATELLITE IMAGERY AND SYNOPTIC DATA. 
THE WARNING INTENSITY IS BASED ON SATELLITE CURRENT INTENSITY 
ESTIMATES OF 25 AND 35 KNOTS AND A RECENT QUIKSCAT PASS. THE LOW 
LEVEL CIRCULATION CENTER (LLCC) IS EVIDENT IN VISIBLE IMAGERY. 
CONVECTION IS WELL TO THE WEST OF THE WEAK LLCC. UW-CIMSS VERTICAL 
WIND SHEAR PRODUCT INDICATES A MODERATE VERTICAL WIND SHEAR 
ENVIRONMENT. TD 33W IS FORECAST TO TRACK WESTWARD THROUGH THE NEXT 
12 HOURS. THE TRACK WILL BECOME INCREASINGLY SOUTHWESTWARD, THROUGH 
THE END OF THE PERIOD AS A MONSOONAL SURGE WILL DRIVE THE SYSTEM 
SOUTH-WESTWARD. THEN THE SYSTEM WILL WEAKEN DUE TO INCREASING COLD 
AIR ENTRAINMENT AND INCREASING VERTICAL WIND SHEAR. MAXIMUM 
SIGNIFICANT WAVE HEIGHT AT 030600Z9 IS 14 FEET. REFER TO WWPW30 RJTX  
FOR ADDITIONAL SEA HEIGHT INFORMATION. NEXT WARNINGS AT 031500Z9 
(DTG 031352Z4), 032100Z6 (DTG 031952Z0), 040300Z7 (DTG 040152Z2) AND 
040900Z3 (DTG 040752Z8).//

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