
WTPS33 PGTW 100900
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE 19P (HADI) WARNING NR 001//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/100151ZMAR2014//
AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT.//
RMKS/
1. TROPICAL CYCLONE 19P (HADI) WARNING NR 001
03 ACTIVE TROPICAL CYCLONES IN SOUTHPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
100600Z --- NEAR 18.9S 151.2E
MOVEMENT PAST SIX HOURS - 120 DEGREES AT 04 KTS
POSITION ACCURATE TO WITHIN 060 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
REPEAT POSIT: 18.9S 151.2E
---
FORECASTS:
12 HRS, VALID AT:
101800Z --- 18.6S 151.6E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 24 HR POSIT: 035 DEG/ 05 KTS
---
24 HRS, VALID AT:
110600Z --- 17.8S 152.2E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 040 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 050 DEG/ 04 KTS
---
36 HRS, VALID AT:
111800Z --- 17.2S 152.9E
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 045 NM NORTHEAST QUADRANT
045 NM SOUTHEAST QUADRANT
045 NM SOUTHWEST QUADRANT
045 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 060 DEG/ 13 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
120600Z --- 15.8S 155.3E
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
045 NM SOUTHEAST QUADRANT
045 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
VECTOR TO 72 HR POSIT: 065 DEG/ 14 KTS
---
72 HRS, VALID AT:
130600Z --- 13.4S 160.4E
MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
055 NM NORTHWEST QUADRANT
VECTOR TO 96 HR POSIT: 080 DEG/ 11 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
140600Z --- 12.7S 165.0E
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 120 HR POSIT: 095 DEG/ 11 KTS
---
120 HRS, VALID AT:
150600Z --- 13.1S 169.7E
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
WIND RADII VALID OVER OPEN WATER ONLY
---
REMARKS:
100900Z POSITION NEAR 18.8S 151.3E.
TROPICAL CYCLONE 19P (HADI), LOCATED APPROXIMATELY 175 NM EAST-
SOUTHEAST OF WILLIS ISLAND, AUSTRALIA, HAS TRACKED EAST-
SOUTHEASTWARD AT 04 KNOTS OVER THE PAST SIX HOURS. ANIMATED
MULTISPECTRAL SATELLITE IMAGERY (MSI) SHOWS THE ILL-DEFINED LOW
LEVEL CIRCULATION CENTER (LLCC) HAS MOVED CLOSER TO THE DEEP
CONVECTION THAT HAS BEEN SHEARED TO THE SOUTH. A 100510Z SSMI
MICROWAVE IMAGE REVEALS AN INCREASE IN CONSOLIDATION AS THE LLCC
MOVED CLOSER TO THE DEEP CONVECTION. THE INITIAL POSITION IS BASED
UPON THIS MICROWAVE IMAGE WITH LOW CONFIDENCE AS THERE IS A FAIR
AMOUNT OF AMBIGUITY IN THE EXACT POSITION OF THE LLCC. THE INITIAL
INTENSITY OF 35 KNOTS IS BASED UPON THE INCREASE IN CONSOLIDATION AS
DVORAK INTENSITY ESTIMATES RANGE FROM 30 TO 45 KNOTS. UPPER LEVEL
ANALYSIS REVEALS A MARGINAL ENVIRONMENT AS VIGOROUS POLEWARD OUTFLOW
IS OFFSETTING STRONG TO MODERATE (20 TO 30 KNOTS) NORTHERLY VERTICAL
WIND SHEAR (VWS). TC HADI IS SLOWLY TRACKING ALONG A WEAK PERIPHERY
OF THE NEAR EQUATORIAL RIDGE (NER) TO THE NORTH OF THE SYSTEM. THIS
NER IS EXPECTED TO AMPLIFY OVER THE NEXT SEVERAL DAYS AND ACCELERATE
THE SYSTEM TO THE NORTHEAST THROUGH THE REMAINDER OF THE FORECAST
PERIOD. THE VWS IS EXPECTED TO SLIGHTLY RELAX, ALTHOUGH REMAIN AT
MODERATE LEVELS, AS THE SYSTEM TRANSITS TO THE NORTHEAST WHICH WILL
ALLOW FOR A SLOW INTENSIFICATION REACHING 55 KNOTS BY THE END OF THE
FORECAST PERIOD. AVAILABLE NUMERIC MODEL GUIDANCE IS LARGELY SPREAD
WITH A 500NM SPREAD BY TAU 48. DUE TO THIS, THE JTWC FORECAST TRACK
IS POSITIONED CLOSE TO MULTI-MODEL CONSENSUS WITH LOW CONFIDENCE.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 100600Z IS 10 FEET. NEXT
WARNINGS AT 102100Z AND 110900Z. THIS WARNING SUPERSEDES AND
CANCELS REF A, JOINT TYPHOON WRNCEN PEARL HARBOR HI 100200Z MAR
14 TROPICAL CYCLONE FORMATION ALERT (WTPS21 PGTW 100200). REFER TO
TROPICAL CYCLONE 17P (GILLIAN) WARNINGS (WTPS32 PGTW) FOR TWELVE-
HOURLY UPDATES. REFER TO TROPICAL CYCLONE 18P (LUSI) WARNINGS
(WTPS31 PGTW) FOR TWELVE-HOURLY UPDATES.//
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