
WTPS31 PGTW 090900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING//
RMKS/
1. TROPICAL CYCLONE 19P (KENI) WARNING NR 003
01 ACTIVE TROPICAL CYCLONE IN SOUTHPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
090600Z --- NEAR 17.2S 172.6E
MOVEMENT PAST SIX HOURS - 115 DEGREES AT 13 KTS
POSITION ACCURATE TO WITHIN 020 NM
POSITION BASED ON CENTER LOCATED BY SATELLITE
PRESENT WIND DISTRIBUTION:
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT
125 NM SOUTHEAST QUADRANT
085 NM SOUTHWEST QUADRANT
085 NM NORTHWEST QUADRANT
REPEAT POSIT: 17.2S 172.6E
---
FORECASTS:
12 HRS, VALID AT:
091800Z --- 18.4S 175.2E
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 050 KT WINDS - 050 NM NORTHEAST QUADRANT
035 NM SOUTHEAST QUADRANT
015 NM SOUTHWEST QUADRANT
025 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 155 NM NORTHEAST QUADRANT
135 NM SOUTHEAST QUADRANT
060 NM SOUTHWEST QUADRANT
155 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 120 DEG/ 18 KTS
---
24 HRS, VALID AT:
100600Z --- 20.3S 178.5E
MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 035 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
015 NM SOUTHWEST QUADRANT
025 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 090 NM NORTHEAST QUADRANT
055 NM SOUTHEAST QUADRANT
035 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 190 NM NORTHEAST QUADRANT
210 NM SOUTHEAST QUADRANT
090 NM SOUTHWEST QUADRANT
165 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 135 DEG/ 27 KTS
---
36 HRS, VALID AT:
101800Z --- 23.9S 177.3W
MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
WIND RADII VALID OVER OPEN WATER ONLY
BECOMING EXTRATROPICAL
RADIUS OF 064 KT WINDS - 045 NM NORTHEAST QUADRANT
035 NM SOUTHEAST QUADRANT
025 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 125 NM NORTHEAST QUADRANT
080 NM SOUTHEAST QUADRANT
045 NM SOUTHWEST QUADRANT
055 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 225 NM NORTHEAST QUADRANT
225 NM SOUTHEAST QUADRANT
100 NM SOUTHWEST QUADRANT
160 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 145 DEG/ 32 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
110600Z --- 29.0S 173.0W
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
WIND RADII VALID OVER OPEN WATER ONLY
BECOMING EXTRATROPICAL
RADIUS OF 050 KT WINDS - 145 NM NORTHEAST QUADRANT
110 NM SOUTHEAST QUADRANT
045 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 285 NM NORTHEAST QUADRANT
255 NM SOUTHEAST QUADRANT
130 NM SOUTHWEST QUADRANT
140 NM NORTHWEST QUADRANT
VECTOR TO 72 HR POSIT: 160 DEG/ 38 KTS
---
72 HRS, VALID AT:
120600Z --- 43.3S 166.0W
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
EXTRATROPICAL
RADIUS OF 034 KT WINDS - 305 NM NORTHEAST QUADRANT
230 NM SOUTHEAST QUADRANT
155 NM SOUTHWEST QUADRANT
120 NM NORTHWEST QUADRANT
---
REMARKS:
090900Z POSITION NEAR 17.5S 173.2E.
TROPICAL CYCLONE 19P (KENI), LOCATED APPROXIMATELY 248 NM EAST OF
PORT VILA, VANUATU, HAS TRACKED EAST-SOUTHEASTWARD AT 13 KNOTS OVER
THE PAST SIX HOURS. ANIMATED MSI SHOWS THE SYSTEM HAS BECOME MORE
CONSOLIDATED AS CONVECTIVE BANDS COALESCED AND WRAPPED INTO AN
OBSCURED LLC. THE INITIAL POSITION IS EXTRAPOLATED DOWNSTREAM FROM A
LOW REFLECTIVITY CIRCULATION FEATURE IN THE 090315Z SSMI 37 GHZ PASS
AND JUST SOUTHEASTWARD OF AN OVERSHOOTING DIMPLE FEATURE IN THE
090600Z VISIBLE SATELLITE IMAGE. THE INITIAL INTENSITY IS BASED ON
THE DVORAK ESTIMATE OF T3.0 (45 KNOTS) FROM PGTW AND REFLECTS THE
IMPROVED STATE OF THE CYCLONE. UPPER LEVEL ANALYSIS INDICATES TC 19P
IS IN AN AREA OF LIGHT TO MODERATE (10-15 KNOT) SOUTHWESTERLY VWS
THAT IS MOSTLY OFFSET BY EXCELLENT DUAL OUTFLOW. ALONG-TRACK SSTS AT
30C ARE ALSO CONDUCIVE. TC KENI IS EXPECTED TO CONTINUE TRACKING
SOUTHEASTWARD THROUGHOUT THE FORECAST ALONG THE SOUTHWESTERN
PERIPHERY OF THE NER TO THE NORTHEAST. THE AFOREMENTIONED OVERALL
FAVORABLE CONDITIONS WILL PREVAIL IN THE NEAR TERM AND FUEL GRADUAL
INTENSIFICATION UP TO 70 KNOTS BY TAU 24. AFTERWARD, INCREASING VWS
AND COOLING SSTS WILL STEADILY ERODE THE CYCLONE. BY TAU 36, TC 19P
WILL ACCELERATE INTO THE BAROCLINIC ZONE AND COMMENCE EXTRA-TROPICAL
TRANSITION. BY TAU 72, THE SYSTEM WILL TRANSFORM INTO A STRONG
GALE-FORCE COLD CORE LOW WITH AN EXPANDING WIND FIELD. THE AVAILABLE
NUMERIC GUIDANCE IS IN TIGHT AGREEMENT, LENDING HIGH CONFIDENCE TO
THE JTWC TRACK FORECAST. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 090600Z
IS 13 FEET. NEXT WARNINGS AT 091500Z, 092100Z, 100300Z AND 100900Z.//
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