最終更新日 2024年7月19日 20:28 The Unavailable Japan Weather Staff
グアム島の東北東約800km付近で熱帯低気圧21Wを解析｜Tropical Depression 21W Warning Issued at 12/1500Z
JTWC（Joint Typhoon Warning Center）は、2022年10月12日15時00分（UTC）、日本時間（JST）同10月13日00時00分、監視中だった低圧部99Wが発達、熱帯低気圧21Wを解析し、Warningを発行しました。
位置：15.2N 151.3（グアム島の東北東約800km付近）
※同時点で、熱帯低気圧に発達した99W以外に、90W・97W・98Wの3つの低圧部が存在しています。
TWC 南シナ海から北マリアナ諸島にかけて4つの低圧部を解析｜2022年10月12日04時00分発行
TC Warning Graphic
TC Warning Text
WTPN31 PGTW 121500
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/TROPICAL DEPRESSION 21W (TWENTYONE) WARNING NR 001//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/120721OCT2022//
AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT.//
RMKS/
1. TROPICAL DEPRESSION 21W (TWENTYONE) WARNING NR 001
01 ACTIVE TROPICAL CYCLONE IN NORTHWESTPAC
MAX SUSTAINED WINDS BASED ON ONE-MINUTE AVERAGE
WIND RADII VALID OVER OPEN WATER ONLY
---
WARNING POSITION:
121200Z --- NEAR 15.2N 151.3E
MOVEMENT PAST SIX HOURS - 155 DEGREES AT 04 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: 15.2N 151.3E
---
FORECASTS:
12 HRS, VALID AT:
130000Z --- 15.0N 152.1E
MAX SUSTAINED WINDS - 025 KT, GUSTS 035 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 24 HR POSIT: 045 DEG/ 11 KTS
---
24 HRS, VALID AT:
131200Z --- 16.5N 153.8E
MAX SUSTAINED WINDS - 030 KT, GUSTS 040 KT
WIND RADII VALID OVER OPEN WATER ONLY
VECTOR TO 36 HR POSIT: 015 DEG/ 20 KTS
---
36 HRS, VALID AT:
140000Z --- 20.4N 155.0E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT
160 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
100 NM NORTHWEST QUADRANT
VECTOR TO 48 HR POSIT: 360 DEG/ 20 KTS
---
EXTENDED OUTLOOK:
48 HRS, VALID AT:
141200Z --- 24.4N 155.0E
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 130 NM NORTHEAST QUADRANT
160 NM SOUTHEAST QUADRANT
010 NM SOUTHWEST QUADRANT
100 NM NORTHWEST QUADRANT
VECTOR TO 72 HR POSIT: 000 DEG/ 10 KTS
---
72 HRS, VALID AT:
151200Z --- 28.5N 155.1E
MAX SUSTAINED WINDS - 045 KT, GUSTS 055 KT
WIND RADII VALID OVER OPEN WATER ONLY
RADIUS OF 034 KT WINDS - 100 NM NORTHEAST QUADRANT
140 NM SOUTHEAST QUADRANT
120 NM SOUTHWEST QUADRANT
010 NM NORTHWEST QUADRANT
VECTOR TO 96 HR POSIT: 065 DEG/ 09 KTS
---
LONG RANGE OUTLOOK:
---
96 HRS, VALID AT:
161200Z --- 30.0N 158.6E
MAX SUSTAINED WINDS - 040 KT, GUSTS 050 KT
WIND RADII VALID OVER OPEN WATER ONLY
BECOMING EXTRATROPICAL
RADIUS OF 034 KT WINDS - 070 NM NORTHEAST QUADRANT
120 NM SOUTHEAST QUADRANT
120 NM SOUTHWEST QUADRANT
000 NM NORTHWEST QUADRANT
VECTOR TO 120 HR POSIT: 080 DEG/ 08 KTS
---
120 HRS, VALID AT:
171200Z --- 30.4N 162.1E
MAX SUSTAINED WINDS - 035 KT, GUSTS 045 KT
WIND RADII VALID OVER OPEN WATER ONLY
EXTRATROPICAL
RADIUS OF 034 KT WINDS - 090 NM NORTHEAST QUADRANT
090 NM SOUTHEAST QUADRANT
070 NM SOUTHWEST QUADRANT
120 NM NORTHWEST QUADRANT
---
REMARKS:
121500Z POSITION NEAR 15.2N 151.5E.
12OCT22. TROPICAL DEPRESSION 21W (TWENTYONE), LOCATED
APPROXIMATELY 318 NM EAST OF SAIPAN, HAS TRACKED SOUTH-
SOUTHEASTWARD AT 04 KNOTS OVER THE PAST SIX HOURS.
MAXIMUM SIGNIFICANT WAVE HEIGHT AT 121200Z IS 10 FEET. NEXT
WARNINGS AT 122100Z, 130300Z, 130900Z AND 131500Z.
2. THIS CANCELS AND SUPERSEDES REF A (WTPN22 PGTW 120730).//
参考：進路予想｜International Hurricane / Cyclone / Typhoon Tracking forecast Map
10月13日01時00分（JST）時点
reference：cyclocane is a CYCLOne and hurriCANE tracker by hayley