簽到天數: 1650 天 [LV.Master]伴壇終老
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老農民版夜神月|2019-11-24 11:27
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JTWC24/00Z升格01P,首報上望70節
WTPS31 PGTW 240300
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE 01P (ONE) WARNING NR 001//
RMKS/
1. TROPICAL CYCLONE 01P (ONE) WARNING NR 001
01 ACTIVE TROPICAL CYCLONE IN SOUTHPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
240000Z --- NEAR 10.2S 168.2E
MOVEMENT PAST SIX HOURS - 160 DEGREES AT 05 KTS
POSITION ACCURATE TO WITHIN 045 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
RADIUS OF 034 KT WINDS - 150 NM NORTHEAST QUADRANT
050 NM SOUTHEAST QUADRANT
000 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
REPEAT POSIT: 10.2S 168.2E
---
FORECASTS:
12 HRS, VALID AT:
241200Z --- 10.8S 168.7E
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 160 NM NORTHEAST QUADRANT
100 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
090 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 150 DEG/ 06 KTS
---
24 HRS, VALID AT:
250000Z --- 11.9S 169.4E
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
020 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 140 NM NORTHEAST QUADRANT
100 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
070 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 160 DEG/ 07 KTS
---
36 HRS, VALID AT:
251200Z --- 13.3S 169.9E
MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 010 NM NORTHEAST QUADRANT
010 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
010 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT
100 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 160 DEG/ 05 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
260000Z --- 14.3S 170.3E
MAX SUSTAINED WINDS - 070 KT, GUSTS 085 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 010 NM NORTHEAST QUADRANT
010 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 020 NM NORTHEAST QUADRANT
020 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
010 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 120 NM NORTHEAST QUADRANT
090 NM SOUTHEAST QUADRANT
060 NM SOUTHWEST QUADRANT
050 NM NORTHWEST QUADRANT
VECTOR TO 72 HR POSIT: 155 DEG/ 05 KTS
---
72 HRS, VALID AT:
270000Z --- 16.0S 171.1E
MAX SUSTAINED WINDS - 050 KT, GUSTS 065 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 050 KT WINDS - 060 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT
080 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 96 HR POSIT: 140 DEG/ 03 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
280000Z --- 17.0S 172.0E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATING AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
RADIUS OF 034 KT WINDS - 060 NM NORTHEAST QUADRANT
060 NM SOUTHEAST QUADRANT
040 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
VECTOR TO 120 HR POSIT: 125 DEG/ 03 KTS
---
120 HRS, VALID AT:
290000Z --- 17.7S 173.1E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
DISSIPATED AS A SIGNIFICANT TROPICAL CYCLONE OVER WATER
---
REMARKS:
240300Z POSITION NEAR 10.4S 168.3E.
24NOV19. TROPICAL CYCLONE (TC) 01P (ONE), LOCATED APPROXIMATELY 450
NM NORTH OF PORT VILA, VANUATU, HAS TRACKED SOUTH-SOUTHEASTWARD AT
05 KNOTS (KTS) OVER THE PAST SIX HOURS. ANIMATED MULTISPECTRAL
SATELLITE IMAGERY REVEALS SPIRAL RAIN BANDS WRAPPING UNDER DEEP
CENTRAL CONVECTION THAT IS OBSCURING THE LOW LEVEL CIRCULATION
CENTER (LLCC). SUPPORTED BY A 232209Z MHS 89 GHZ MICROWAVE IMAGE
THAT SUGGESTS THE LLCC IS ON THE EQUATORWARD SIDE OF THE DEEP
CONVECTION, THERE IS FAIR CONFIDENCE IN THE INITIAL POSITION. THE
INITIAL INTENSITY OF 35 KTS IS CONSISTENT WITH THE PGTW DVORAK
CURRENT INTENSITY ESTIMATE OF T2.5 (35 KTS). THE ENVIRONMENT, WITH
LOW (10-15 KT) VERTICAL WIND SHEAR (VWS), EXCELLENT POLEWARD
OUTFLOW, AND WARM (29-30 CELSIUS) SEA SURFACE TEMPERATURE, IS
FAVORABLE. TC 01P IS TRACKING ALONG THE SOUTHWEST PERIPHERY OF A
NORTHWEST-TO-SOUTHEAST ORIENTED SUBTROPICAL RIDGE (STR). FOR THE
DURATION OF THE FORECAST, THE AFOREMENTIONED STR WILL STEER TC 01P
GENERALLY SOUTHEASTWARD. MODEL SOLUTIONS SUGGEST TWO DISTINCT
SCENARIOS ON THE TRACK OF TC 01P. NAVGEM AND ECMWF SHOW THE SYSTEM
CONTINUING TO TRACK SOUTHEASTWARD FOR THE DURATION OF THE FORECAST
PERIOD. THE OTHER MODELS SUGGEST THE SYSTEM WILL STALL AFTER ABOUT
TAU 48. THE JTWC TRACK FORECAST FOLLOWS THE NAVGEM AND ECMWF
SOLUTION. WITH THAT TRACK, THE SYSTEM WILL ENCOUNTER STRONG VWS
AFTER TAU 48 AND SHOULD DISSIPATE BY TAU 120. IF TC 01P STALLS AS
DEPICTED BY THE OTHER MODELS, VWS WILL REMAIN SOMEWHAT FAVORABLE AND
THE INTENSITY SHOULD WEAKEN MORE SLOWLY. BASED ON HIGH UNCERTAINTY
IN THE GUIDANCE BEYOND TAU 48, THERE IS LOW CONFIDENCE IN THE JTWC
TRACK FORECAST. MAXIMUM SIGNIFICANT WAVE HEIGHT AT 240000Z IS 9
FEET. NEXT WARNINGS AT 240900Z, 241500Z, 242100Z AND 250300Z.//
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