#83 Postby HURAKAN » Sun Feb 20, 2011 4:17 pm 
			
			
			
			WTXS32 PGTW 202100
MSGID/GENADMIN/NAVMARFCSTCEN PEARL HARBOR HI/JTWC//
SUBJ/TROPICAL CYCLONE 15S (CARLOS) WARNING NR 005//
REF/A/NAVMARFCSTCEN PEARL HARBOR HI/200421Z//
AMPN/TROPICAL CYCLONE FORMATION ALERT//
RMKS/
1. TROPICAL CYCLONE 15S (CARLOS) WARNING NR 005    
   01 ACTIVE TROPICAL CYCLONE IN SOUTHIO
   MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
   WIND RADII VALID OVER OPEN WATER ONLY
    ---
   WARNING POSITION:
   201800Z --- NEAR 17.5S 122.0E
     MOVEMENT PAST SIX HOURS - 250 DEGREES AT 19 KTS
     POSITION ACCURATE TO WITHIN 025 NM
     POSITION BASED ON CENTER LOCATED BY A COMBINATION OF 
     SATELLITE, RADAR AND SYNOPTIC DATA
   PRESENT WIND DISTRIBUTION:
   MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   REPEAT POSIT: 17.5S 122.0E
    ---
   FORECASTS:
   12 HRS, VALID AT:
   210600Z --- 18.6S 119.6E
   MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 045 NM NORTHEAST QUADRANT
                            055 NM SOUTHEAST QUADRANT
                            050 NM SOUTHWEST QUADRANT
                            045 NM NORTHWEST QUADRANT
   VECTOR TO 24 HR POSIT: 240 DEG/ 13 KTS
    ---
   24 HRS, VALID AT:
   211800Z --- 19.9S 117.1E
   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
                            070 NM SOUTHEAST QUADRANT
                            065 NM SOUTHWEST QUADRANT
                            060 NM NORTHWEST QUADRANT
   VECTOR TO 36 HR POSIT: 245 DEG/ 11 KTS
    ---
   36 HRS, VALID AT:
   220600Z --- 20.9S 115.0E
   MAX SUSTAINED WINDS - 060 KT, GUSTS 075 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 050 KT WINDS - 035 NM NORTHEAST QUADRANT
                            040 NM SOUTHEAST QUADRANT
                            035 NM SOUTHWEST QUADRANT
                            035 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 075 NM NORTHEAST QUADRANT
                            085 NM SOUTHEAST QUADRANT
                            080 NM SOUTHWEST QUADRANT
                            075 NM NORTHWEST QUADRANT
   VECTOR TO 48 HR POSIT: 240 DEG/ 10 KTS
    ---
   EXTENDED OUTLOOK:
   48 HRS, VALID AT:
   221800Z --- 21.8S 113.2E
   MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 064 KT WINDS - 025 NM NORTHEAST QUADRANT
                            025 NM SOUTHEAST QUADRANT
                            025 NM SOUTHWEST QUADRANT
                            025 NM NORTHWEST QUADRANT
   RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT
                            045 NM SOUTHEAST QUADRANT
                            040 NM SOUTHWEST QUADRANT
                            040 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT
                            100 NM SOUTHEAST QUADRANT
                            095 NM SOUTHWEST QUADRANT
                            090 NM NORTHWEST QUADRANT
   VECTOR TO 72 HR POSIT: 240 DEG/ 09 KTS
    ---
   72 HRS, VALID AT:
   231800Z --- 23.6S 109.9E
   MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   RADIUS OF 064 KT WINDS - 025 NM NORTHEAST QUADRANT
                            025 NM SOUTHEAST QUADRANT
                            025 NM SOUTHWEST QUADRANT
                            025 NM NORTHWEST QUADRANT
   RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT
                            045 NM SOUTHEAST QUADRANT
                            040 NM SOUTHWEST QUADRANT
                            040 NM NORTHWEST QUADRANT
   RADIUS OF 034 KT WINDS - 095 NM NORTHEAST QUADRANT
                            105 NM SOUTHEAST QUADRANT
                            100 NM SOUTHWEST QUADRANT
                            095 NM NORTHWEST QUADRANT
   VECTOR TO 96 HR POSIT: 225 DEG/ 09 KTS
    ---
   LONG RANGE OUTLOOK:
   NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 250 NM
   ON DAY 4 AND 350 NM ON DAY 5... AND FOR INTENSITY
   NEAR 20 KT EACH DAY.
    ---
   96 HRS, VALID AT:
   241800Z --- 26.2S 106.9E
   MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   VECTOR TO 120 HR POSIT: 200 DEG/ 10 KTS
    ---
   120 HRS, VALID AT:
   251800Z --- 30.0S 105.1E
   MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
   WIND RADII VALID OVER OPEN WATER ONLY
   BECOMING EXTRATROPICAL
    ---
REMARKS:
202100Z POSITION NEAR 17.8S 121.4E.
TROPICAL CYCLONE (TC) 15S (CARLOS), LOCATED APPROXIMATELY 530 NM 
EAST-NORTHEAST OF LEARMONTH, AUSTRALIA, HAS TRACKED WEST-
SOUTHWESTWARD AT APPROXIMATELY 19 KNOTS OVER THE PAST SIX HOURS.  A 
RECENT DVORAK T-NUMBER ESTIMATE OF 2.5 FROM PGTW AND SYNOPTIC 
PRESSURE OBSERVATIONS NEAR 996 MB INDICATE THAT TC 15S HAS 
INTENSIFIED INTO A 35 KNOT CYCLONE. ALTHOUGH TC 15S HAS TRACKED 
RAPIDLY WEST-SOUTHWESTWARD DURING THE PAST TWELVE HOURS, IT IS 
LIKELY TO SLOW A BIT OVER THE UPCOMING SIX TO TWELVE HOURS AS IT 
CONTINUES TO REDEVELOP OVER WATER. THE CURRENT POSITION IS BASED ON 
SATELLITE FIXES FROM PGTW AND APRF, SYNOPTIC WIND AND PRESSURE 
OBSERVATIONS, AND RADAR IMAGERY FROM BROOME. TC 15S IS TRACKING 
ALONG THE NORTH PERIPHERY OF A SUBTROPICAL RIDGE SITUATED OVER 
CENTRAL AUSTRALIA. THIS RIDGE IS EXPECTED TO REMAIN THE DOMINANT 
STEERING MECHANISM THROUGHOUT THE FORECAST PERIOD, CARRYING THE 
CYCLONE GENERALLY WEST-SOUTHWESTWARD UNTIL TAU 72. THEREAFTER, THE 
CYCLONE IS EXPECTED TO TURN POLEWARD AHEAD OF AN APPROACHING MID-
LATITUDE TROUGH AND BEGIN EXTRATROPICAL TRANSITION BY TAU 120. TC 
15S IS EXPECTED TO INTENSIFY SLOWLY IN THE NEAR TO MEDIUM RANGE AS 
SOMEWHAT UNFAVORABLE EASTERLY VERTICAL WIND SHEAR LIMITS THE IMPACT 
OF PASSAGE OVER A VERY WARM SEA SURFACE AND STRONG DIFFLUENCE ALOFT. 
ASIDE FROM THE GFDN, WHICH IS DEPICTING A NEARLY STRAIGHT WESTWARD 
TRACK, THE NUMERICAL MODELS ARE IN FAIR AGREEMENT WITH THE CURRENT 
FORECAST AND THE FORECAST TRACK LIES SLIGHTLY SOUTH OF THE MODEL 
CONSENSUS. THIS WARNING SUPERSEDES AND CANCELS REF A, NAVMARFCSTCEN 
200421Z FEB 11 TROPICAL CYCLONE FORMATION ALERT (WTXS21 PGTW 
200430). MAXIMUM SIGNIFICANT WAVE HEIGHT AT 201800Z IS 11 FEET. NEXT 
WARNINGS AT 210900Z AND 212100Z. REFER TO TROPICAL CYCLONE 16S 
(DIANNE) WARNINGS (WTXS33 PGTW)FOR TWELVE-HOURLY UPDATES.//
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