[情報] 91W TCFA
JTWC警報圖
https://imgur.com/a/34Pk509
機構路徑
WTPN21 PGTW 170530
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE FORMATION ALERT//
RMKS/
1. FORMATION OF A SIGNIFICANT TROPICAL CYCLONE IS POSSIBLE WITHIN 160 NM EITHE
R SIDE OF A LINE FROM 12.7N 158.9E TO 14.7N 152.4E WITHIN THE NEXT 12 TO 24 HO
URS. AVAILABLE DATA DOES NOT JUSTIFY ISSUANCE OF NUMBERED TROPICAL CYCLONE WAR
NINGS AT THIS TIME. WINDS IN THE AREA ARE ESTIMATED TO BE 15 TO 20 KNOTS. METS
AT IMAGERY AT 170500Z INDICATES THAT A CIRCULATION CENTER IS LOCATED NEAR 12.6
N 158.3E. THE SYSTEM IS MOVING WESTWARD AT 05 KNOTS.
2. REMARKS: THE AREA OF CONVECTION (INVEST 91W) PREVIOUSLY LOCATED NEAR 13.2N
162.0E IS NOW LOCATED NEAR 12.6N 158.3E, APPROXIMATELY 795NM EAST OF GUAM. ANIM
ATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS LOW-LEVEL CLOUD LINES WRAPPING INT
O AN EXPOSED LOW-LEVEL CIRCULATION CENTER (LLCC) WITH ISOLATED DEEP CONVECTION
FLARING OVER THE SOUTHWEST QUADRANT OF THE LLCC. A 170240Z GMI 36GHZ IMAGE SHOW
S FRAGMENTED BANDING OVER THE WESTERN SEMICIRCLE AND SHALLOW BANDING OVER THE E
ASTERN SEMICIRCLE WRAPPING INTO A RAGGED LLCC. UPPER-LEVEL ANALYSIS INDICATES A
MARGINALLY-FAVORABLE ENVIRONMENT WITH LOW TO MODERATE NORTHERLY VERTICAL WIND
SHEAR OFFSET BY POLEWARD OUTFLOW INTO A TUTT CELL POSITIONED TO THE NORTHEAST.
SST VALUES ARE CONDUCIVE FOR FURTHER DEVELOPMENT AT 29C. NUMERICAL MODELS
INDICATE A WESTWARD TO NORTHWESTWARD TRACK OVER THE NEXT TWO DAYS WITH GRADUAL
INTENSIFICATION AS THE SYSTEM MOVES TOWARD THE NORTHERN MARIANAS. MAXIMUM SUSTA
INED SURFACE WINDS ARE ESTIMATED AT 15 TO 20 KNOTS. MINIMUM SEA LEVEL PRESSURE
IS ESTIMATED TO BE NEAR 1006 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFI
CANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS HIGH.
3. THIS ALERT WILL BE REISSUED, UPGRADED TO WARNING OR CANCELLED BY 180530Z.
// NNNN
-----------------------------------------------------------------------------
JTWC 23W首報
WTPN31 PGTW 172100 COR
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL CYCLONE WARNING CORRECTED//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/170521ZAUG2018//
AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT.//
RMKS/
1. TROPICAL DEPRESSION 23W (TWENTYTHREE) WARNING NR 001A CORRECTED
04 ACTIVE TROPICAL CYCLONES IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
171800Z --- NEAR 13.3N 155.7E
MOVEMENT PAST SIX HOURS - 280 DEGREES AT 18 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
WIND RADII VALID OVER OPEN WATER ONLY
REPEAT POSIT: 13.3N 155.7E
---
FORECASTS:
12 HRS, VALID AT:
180600Z --- 13.8N 154.1E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 050 NM NORTHEAST QUADRANT
090 NM SOUTHEAST QUADRANT
080 NM SOUTHWEST QUADRANT
080 NM NORTHWEST QUADRANT
VECTOR TO 24 HR POSIT: 300 DEG/ 09 KTS
---
24 HRS, VALID AT:
181800Z --- 14.7N 152.5E
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 055 NM NORTHEAST QUADRANT
100 NM SOUTHEAST QUADRANT
120 NM SOUTHWEST QUADRANT
065 NM NORTHWEST QUADRANT
VECTOR TO 36 HR POSIT: 305 DEG/ 09 KTS
---
36 HRS, VALID AT:
190600Z --- 15.8N 151.0E
MAX SUSTAINED WINDS - 055 KT, GUSTS 070 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 050 KT WINDS - 040 NM NORTHEAST QUADRANT
040 NM SOUTHEAST QUADRANT
020 NM SOUTHWEST QUADRANT
015 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT
135 NM SOUTHEAST QUADRANT
170 NM SOUTHWEST QUADRANT
075 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 310 DEG/ 09 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
191800Z --- 17.0N 149.6E
MAX SUSTAINED WINDS - 065 KT, GUSTS 080 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 015 NM NORTHEAST QUADRANT
010 NM SOUTHEAST QUADRANT
000 NM SOUTHWEST QUADRANT
005 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 055 NM NORTHEAST QUADRANT
060 NM SOUTHEAST QUADRANT
045 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 135 NM NORTHEAST QUADRANT
165 NM SOUTHEAST QUADRANT
195 NM SOUTHWEST QUADRANT
090 NM NORTHWEST QUADRANT
VECTOR TO 72 HR POSIT: 310 DEG/ 12 KTS
---
72 HRS, VALID AT:
201800Z --- 20.1N 145.9E
MAX SUSTAINED WINDS - 075 KT, GUSTS 090 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 045 NM NORTHEAST QUADRANT
030 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
030 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 080 NM NORTHEAST QUADRANT
095 NM SOUTHEAST QUADRANT
055 NM SOUTHWEST QUADRANT
045 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 220 NM NORTHEAST QUADRANT
240 NM SOUTHEAST QUADRANT
175 NM SOUTHWEST QUADRANT
145 NM NORTHWEST QUADRANT
VECTOR TO 96 HR POSIT: 305 DEG/ 13 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
211800Z --- 23.2N 141.4E
MAX SUSTAINED WINDS - 095 KT, GUSTS 115 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 050 NM NORTHEAST QUADRANT
045 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 075 NM NORTHEAST QUADRANT
085 NM SOUTHEAST QUADRANT
050 NM SOUTHWEST QUADRANT
060 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 230 NM NORTHEAST QUADRANT
310 NM SOUTHEAST QUADRANT
110 NM SOUTHWEST QUADRANT
145 NM NORTHWEST QUADRANT
VECTOR TO 120 HR POSIT: 315 DEG/ 14 KTS
---
120 HRS, VALID AT:
221800Z --- 27.0N 137.1E
MAX SUSTAINED WINDS - 105 KT, GUSTS 130 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 064 KT WINDS - 055 NM NORTHEAST QUADRANT
045 NM SOUTHEAST QUADRANT
030 NM SOUTHWEST QUADRANT
040 NM NORTHWEST QUADRANT
RADIUS OF 050 KT WINDS - 080 NM NORTHEAST QUADRANT
080 NM SOUTHEAST QUADRANT
055 NM SOUTHWEST QUADRANT
065 NM NORTHWEST QUADRANT
RADIUS OF 034 KT WINDS - 220 NM NORTHEAST QUADRANT
275 NM SOUTHEAST QUADRANT
100 NM SOUTHWEST QUADRANT
145 NM NORTHWEST QUADRANT
---
REMARKS:
172100Z POSITION NEAR 13.4N 155.3E.
TROPICAL DEPRESSION 23W (TWENTYTHREE), LOCATED APPROXIMATELY 337
NM NORTH OF OROLUK, HAS TRACKED WESTWARD AT 18 KNOTS OVER THE
PAST SIX HOURS.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 171800Z IS 8 FEET. NEXT
WARNINGS AT 180300Z, 180900Z, 181500Z AND 182100Z.
REFER TO TROPICAL CYCLONE 20W (BEBINCA) WARNINGS (WTIO33 PGTW)
FOR SIX-HOURLY UPDATES.
REFER TO TROPICAL STORM 21W (RUMBIA) WARNINGS (WTPN34 PGTW)
FOR SIX-HOURLY UPDATES.
REFER TO TYPHOON 22W (SOULIK) WARNINGS (WTPN35 PGTW)
FOR SIX-HOURLY UPDATES.
2. THIS CANCELS AND SUPERSEDES REF A (WTPN21 PGTW 170530).
3. JUSTIFICATION FOR CORRECTION: ADDED REFERENCE FOR TROPICAL
CYCLONE FORMATION ALERT.//
NNNN
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