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#Typhoons

Disaster Info Botdisaster_bot@m.ai6yr.org
2025-10-28

#cyclones #typhoons #JTWC ABPW10 PGTW 270600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS/270600Z-280600ZOCT2025//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY: NONE.
B. TROPICAL DISTURBANCE SUMMARY: NONE.
C. SUBTROPICAL SYSTEM SUMMARY: NONE.
2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST):
A. TROPICAL CYCLONE SUMMARY: NO

ABPW10 PGTW 270600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS/270600Z-280600ZOCT2025// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN
Disaster Info Botdisaster_bot@m.ai6yr.org
2025-10-27

#cyclones #typhoons #JTWC ABPW10 PGTW 270600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS/270600Z-280600ZOCT2025//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY: NONE.
B. TROPICAL DISTURBANCE SUMMARY: NONE.
C. SUBTROPICAL SYSTEM SUMMARY: NONE.
2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST):
A. TROPICAL CYCLONE SUMMARY: NO

ABPW10 PGTW 270600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS/270600Z-280600ZOCT2025// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN
Disaster Info Botdisaster_bot@m.ai6yr.org
2025-10-27

#cyclones #typhoons #JTWC ABPW10 PGTW 270600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS/270600Z-280600ZOCT2025//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY: NONE.
B. TROPICAL DISTURBANCE SUMMARY: NONE.
C. SUBTROPICAL SYSTEM SUMMARY: NONE.
2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST):
A. TROPICAL CYCLONE SUMMARY: NO

ABPW10 PGTW 270600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS/270600Z-280600ZOCT2025// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN
Disaster Info Botdisaster_bot@m.ai6yr.org
2025-10-26

#cyclones #typhoons #JTWC ABPW10 PGTW 260600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS/260600Z-270600ZOCT2025//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY: NONE.
B. TROPICAL DISTURBANCE SUMMARY: NONE.
C. SUBTROPICAL SYSTEM SUMMARY: NONE.
2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST):
A. TROPICAL CYCLONE SUMMARY: NO

ABPW10 PGTW 260600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS/260600Z-270600ZOCT2025// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN
Disaster Info Botdisaster_bot@m.ai6yr.org
2025-10-26

#cyclones #typhoons #JTWC ABPW10 PGTW 260600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS/260600Z-270600ZOCT2025//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY: NONE.
B. TROPICAL DISTURBANCE SUMMARY: NONE.
C. SUBTROPICAL SYSTEM SUMMARY: NONE.
2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST):
A. TROPICAL CYCLONE SUMMARY: NO

ABPW10 PGTW 260600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS/260600Z-270600ZOCT2025// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN
Disaster Info Botdisaster_bot@m.ai6yr.org
2025-10-26

#cyclones #typhoons #JTWC ABPW10 PGTW 260600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS/260600Z-270600ZOCT2025//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY: NONE.
B. TROPICAL DISTURBANCE SUMMARY: NONE.
C. SUBTROPICAL SYSTEM SUMMARY: NONE.
2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST):
A. TROPICAL CYCLONE SUMMARY: NO

ABPW10 PGTW 260600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS/260600Z-270600ZOCT2025// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN
Disaster Info Botdisaster_bot@m.ai6yr.org
2025-10-25

#cyclones #typhoons #JTWC ABPW10 PGTW 250600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS/250600Z-260600ZOCT2025//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY: NONE.
B. TROPICAL DISTURBANCE SUMMARY: NONE.
C. SUBTROPICAL SYSTEM SUMMARY: NONE.
2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST):
A. TROPICAL CYCLONE SUMMARY: NO

ABPW10 PGTW 250600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS/250600Z-260600ZOCT2025// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN
Disaster Info Botdisaster_bot@m.ai6yr.org
2025-10-25

#cyclones #typhoons #JTWC ABPW10 PGTW 250600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS/250600Z-260600ZOCT2025//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY: NONE.
B. TROPICAL DISTURBANCE SUMMARY: NONE.
C. SUBTROPICAL SYSTEM SUMMARY: NONE.
2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST):
A. TROPICAL CYCLONE SUMMARY: NO

ABPW10 PGTW 250600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS/250600Z-260600ZOCT2025// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN
Disaster Info Botdisaster_bot@m.ai6yr.org
2025-10-24

#cyclones #typhoons #JTWC ABPW10 PGTW 240600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS/240600Z-250600ZOCT2025//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY: NONE.
B. TROPICAL DISTURBANCE SUMMARY: NONE.
C. SUBTROPICAL SYSTEM SUMMARY: NONE.
2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST):
A. TROPICAL CYCLONE SUMMARY: NO

ABPW10 PGTW 240600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS/240600Z-250600ZOCT2025// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN
Disaster Info Botdisaster_bot@m.ai6yr.org
2025-10-24

#cyclones #typhoons #JTWC ABPW10 PGTW 240600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS/240600Z-250600ZOCT2025//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY: NONE.
B. TROPICAL DISTURBANCE SUMMARY: NONE.
C. SUBTROPICAL SYSTEM SUMMARY: NONE.
2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST):
A. TROPICAL CYCLONE SUMMARY: NO

ABPW10 PGTW 240600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS/240600Z-250600ZOCT2025// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN
Disaster Info Botdisaster_bot@m.ai6yr.org
2025-10-24

#cyclones #typhoons #JTWC ABPW10 PGTW 240000
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS/REISSUED/240000Z-250000ZOCT2025//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/230151ZOCT2025//
AMPN/REF A IS A TROPICAL CYCLONE FINAL WARNING.//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY:
(1) AT 23OCT25 0000Z, TROPICAL DEPRESSION 30W (FENGSHEN) WA

ABPW10 PGTW 240000 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS/REISSUED/240000Z-250000ZOCT2025// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/230151ZOCT2025// AMPN/REF A IS A TROPICAL CYCLONE FINAL WARNING.// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: (1) AT 23OCT25 0000Z, TROPICAL DEPRESSION 30W (FENGSHEN) WAS LOCATED NEAR 16.0N 108.6E, APPROXIMATELY 17 NM EAST OF DA NANG, VIETNAM, AND HAD TRACKED SOUTHWARD AT 05 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 25 KNOTS GUSTING TO 35 KNOTS. SEE REF A (WTPN31 PGTW 230300) FOR THE FINAL WARNING ON THIS SYSTEM. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 97W) PREVIOUSLY LOCATED NEAR 18.1N 118.8E HAS DISSIPATED AND IS NO LONGER SUSPECT FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE IN THE NEXT 24 HOURS. (2) NO OTHER SUSPECT AREAS. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 3. JUSTIFICATION FOR REISSUE: DISSIPATED AREA IN PARA 2.B.(1).// NNNN
Disaster Info Botdisaster_bot@m.ai6yr.org
2025-10-23

#cyclones #typhoons #JTWC ABPW10 PGTW 231800
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS REISSUED/231800Z-240600ZOCT2025//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/230151ZOCT2025//
AMPN/REF A IS A TROPICAL CYCLONE FINAL WARNING.//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY:
(1) AT 23OCT25 0000Z, TROPICAL DEPRESSION 30W (FENGSHEN) WA

ABPW10 PGTW 231800 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS REISSUED/231800Z-240600ZOCT2025// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/230151ZOCT2025// AMPN/REF A IS A TROPICAL CYCLONE FINAL WARNING.// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: (1) AT 23OCT25 0000Z, TROPICAL DEPRESSION 30W (FENGSHEN) WAS LOCATED NEAR 16.0N 108.6E, APPROXIMATELY 17 NM EAST OF DA NANG, VIETNAM, AND HAD TRACKED SOUTHWARD AT 05 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 25 KNOTS GUSTING TO 35 KNOTS. SEE REF A (WTPN31 PGTW 230300) FOR THE FINAL WARNING ON THIS SYSTEM. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 97W) PREVIOUSLY LOCATED NEAR 19.0N 119.7E IS NOW LOCATED NEAR 18.1N 118.8E, APPROXIMATELY 98 NM WEST-NORTHWEST OF VIGAN. MULTISPECTRAL SATELLITE IMAGERY (MSI) REVEALS A WELL-DEFINED CIRCULATION WITH LOOSE CONVECTIVE BANDING OVER THE WESTERN SEMICIRCLE. A 230142Z ASCAT PASS REVEALED A VERY SMALL ROTATION OFF THE NORTHWEST TIP OF LUZON, HOWEVER THE EASTERN SIDE OF THE ROTATION WAS NOT CLOSED. WINDS WERE NEAR 30 KNOTS TO THE WEST, BUT WERE ASSESSED AS STRAIGHT LINE FLOW ASSOCIATED WITH A COLD SU
Disaster Info Botdisaster_bot@m.ai6yr.org
2025-10-23

#cyclones #typhoons #JTWC ABPW10 PGTW 230600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS/230600Z-240600ZOCT2025//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/230151ZOCT2025//
AMPN/REF A IS A TROPICAL CYCLONE WARNING.//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY:
(1) AT 23OCT25 0000Z, TROPICAL DEPRESSION 30W (FENGSHEN) WAS
LOCATED NEA

ABPW10 PGTW 230600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS/230600Z-240600ZOCT2025// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/230151ZOCT2025// AMPN/REF A IS A TROPICAL CYCLONE WARNING.// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: (1) AT 23OCT25 0000Z, TROPICAL DEPRESSION 30W (FENGSHEN) WAS LOCATED NEAR 16.0N 108.6E, APPROXIMATELY 17 NM EAST OF DA NANG, VIETNAM, AND HAD TRACKED SOUTHWARD AT 05 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 25 KNOTS GUSTING TO 35 KNOTS. SEE REF A (WTPN31 PGTW 230300) FOR THE FINAL WARNING ON THIS SYSTEM. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 97W) PREVIOUSLY LOCATED NEAR 22.9N 123.1E IS NOW LOCATED NEAR 20.0N 121.EE, APPROXIMATELY 106 NM NORTH-NORTHWEST OF APARRI, PHILIPPINES. MULTISPECTRAL SATELLITE IMAGERY (MSI) REVEALS A WELL DEFINED CIRCULATION WITH LOOSE CONVECTIVE BANDING OVER THE WESTERN SEMICIRCLE. A 230142Z ASCAT PASS REVEALED A VERY SMALL ROTATION OFF THE NORTHWEST TIP OF LUZON, HOWEVER THE EASTERN SIDE OF THE ROTATION WAS NOT CLOSED. WINDS WERE NEAR 30 KNOTS TO THE WEST, BUT WERE ASSESSED AS STRAIGHT LINE FLOW ASSOCIATED WITH A COLD
Disaster Info Botdisaster_bot@m.ai6yr.org
2025-10-22

#cyclones #typhoons #JTWC ABPW10 PGTW 220600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS 220600Z-230600ZOCT2025//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/220152ZOCT2025//
AMPN/REF A IS A TROPICAL CYCLONE WARNING.//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY:
(1) AT 22OCT25 0000Z, TROPICAL STORM 30W (FENGSHEN) WAS LOCATED
NEAR 17.

ABPW10 PGTW 220600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS 220600Z-230600ZOCT2025// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/220152ZOCT2025// AMPN/REF A IS A TROPICAL CYCLONE WARNING.// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: (1) AT 22OCT25 0000Z, TROPICAL STORM 30W (FENGSHEN) WAS LOCATED NEAR 17.2N 111.8E, APPROXIMATELY 214 NM EAST-NORTHEAST OF DA NANG, VIETNAM, AND HAD TRACKED SOUTHWESTWARD AT 01 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 45 KNOTS GUSTING TO 55 KNOTS. SEE REF A (WTPN31 PGTW 220300) FOR FURTHER DETAILS. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 97W) PREVIOUSLY LOCATED NEAR 24.4N 123.4E IS NOW LOCATED NEAR 22.9N 123.1E, APPROXIMATELY 156 NM EAST OF KAOHSIUNG, TAIWAN. ANIMATED ENHANCED MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICTS A PARTIALLY-EXPOSED LOW LEVEL CIRCULATION CENTER (LLCC) TO THE SOUTHWEST OF A PATCH OF PERSISTENT, FLARING CONVECTION. A 220108 ASCAT METOP-C SHOWS A COMPACT LOW LEVEL CIRCULATION POSITIONED JUST TO THE EAST OF GALE FORCE WINDS ASSOCIATED WITH A COLD SURGE TO THE WEST AND EXTENSIVE 15-20 KT WINDS WRAPPING ALONG THE EASTERN PERIPHER
Disaster Info Botdisaster_bot@m.ai6yr.org
2025-10-22

#cyclones #typhoons #JTWC ABPW10 PGTW 220600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS 220600Z-230600ZOCT2025//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/220152ZOCT2025//
AMPN/REF A IS A TROPICAL CYCLONE WARNING.//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY:
(1) AT 22OCT25 0000Z, TROPICAL STORM 30W (FENGSHEN) WAS LOCATED
NEAR 17.

ABPW10 PGTW 220600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS 220600Z-230600ZOCT2025// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/220152ZOCT2025// AMPN/REF A IS A TROPICAL CYCLONE WARNING.// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: (1) AT 22OCT25 0000Z, TROPICAL STORM 30W (FENGSHEN) WAS LOCATED NEAR 17.2N 111.8E, APPROXIMATELY 214 NM EAST-NORTHEAST OF DA NANG, VIETNAM, AND HAD TRACKED SOUTHWESTWARD AT 01 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 45 KNOTS GUSTING TO 55 KNOTS. SEE REF A (WTPN31 PGTW 220300) FOR FURTHER DETAILS. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 97W) PREVIOUSLY LOCATED NEAR 24.4N 123.4E IS NOW LOCATED NEAR 22.9N 123.1E, APPROXIMATELY 156 NM EAST OF KAOHSIUNG, TAIWAN. ANIMATED ENHANCED MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICTS A PARTIALLY-EXPOSED LOW LEVEL CIRCULATION CENTER (LLCC) TO THE SOUTHWEST OF A PATCH OF PERSISTENT, FLARING CONVECTION. A 220108 ASCAT METOP-C SHOWS A COMPACT LOW LEVEL CIRCULATION POSITIONED JUST TO THE EAST OF GALE FORCE WINDS ASSOCIATED WITH A COLD SURGE TO THE WEST AND EXTENSIVE 15-20 KT WINDS WRAPPING ALONG THE EASTERN PERIPHER
Disaster Info Botdisaster_bot@m.ai6yr.org
2025-10-22

#cyclones #typhoons #JTWC ABPW10 PGTW 220330
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS REISSUED/220330Z-220600ZOCT2025//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/220152ZOCT2025//
AMPN/REF A IS A TROPICAL CYCLONE WARNING.//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY:
(1) AT 22OCT25 0000Z, TROPICAL STORM 30W (FENGSHEN) WAS LOCATED

ABPW10 PGTW 220330 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS REISSUED/220330Z-220600ZOCT2025// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/220152ZOCT2025// AMPN/REF A IS A TROPICAL CYCLONE WARNING.// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: (1) AT 22OCT25 0000Z, TROPICAL STORM 30W (FENGSHEN) WAS LOCATED NEAR 17.2N 111.8E, APPROXIMATELY 214 NM EAST-NORTHEAST OF DA NANG, VIETNAM, AND HAD TRACKED SOUTHWESTWARD AT 01 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 45 KNOTS GUSTING TO 55 KNOTS. SEE REF A (WTPN31 PGTW 220300) FOR FURTHER DETAILS. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 97W) PREVIOUSLY LOCATED NEAR 24.4N 123.4E IS NOW LOCATED NEAR 22.9N 123.1E, APPROXIMATELY 156 NM EAST OF KAOHSIUNG, TAIWAN. ANIMATED ENHANCED MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICTS A PARTIALLY-EXPOSED LOW LEVEL CIRCULATION CENTER (LLCC) TO THE SOUTHWEST OF A PATCH OF PERSISTENT, FLARING CONVECTION. A 220108 ASCAT METOP-C SHOWS A COMPACT LOW LEVEL CIRCULATION POSITIONED JUST TO THE EAST OF GALE FORCE WINDS ASSOCIATED WITH A COLD SURGE TO THE WEST AND EXTENSIVE 15-20 KT WINDS WRAPPING ALONG THE EASTERN
Disaster Info Botdisaster_bot@m.ai6yr.org
2025-10-21

#cyclones #typhoons #JTWC ABPW10 PGTW 210600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS/210600Z-220600ZOCT2025//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/210151ZOCT2025//
AMPN/REF A IS A TROPICAL CYCLONE WARNING.//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY:
(1) AT 21OCT25 0000Z, TROPICAL STORM 30W (FENGSHEN) WAS LOCATED
NEAR 17.

ABPW10 PGTW 210600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS/210600Z-220600ZOCT2025// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/210151ZOCT2025// AMPN/REF A IS A TROPICAL CYCLONE WARNING.// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: (1) AT 21OCT25 0000Z, TROPICAL STORM 30W (FENGSHEN) WAS LOCATED NEAR 17.4N 112.4E, APPROXIMATELY 250 NM EAST-NORTHEAST OF DA NANG, VIETNAM, AND HAD TRACKED SOUTHWESTWARD AT 07 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 45 KNOTS GUSTING TO 55 KNOTS. SEE REF A (WTPN31 PGTW 210300) FOR FURTHER DETAILS. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 97W) PREVIOUSLY LOCATED NEAR 24.2N 124.5E IS NOW LOCATED NEAR 24.4N 123.4E, APPROXIMATELY 42 NM WEST OF ISHIGAKIJIMA. ANIMATED ENHANCED MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICTS A PARTIALLY EXPOSED LOW LEVEL CIRCULATION CENTER (LLCC) WITH FLARING CONVECTION. A 10210042Z ASCAT REVEALS A WAVE LIKE FEATURE PASSING ISHIGAKIJIMA, WITH THE STRONGEST WINDS OF 25-30 KNOTS PASSING SOUTH ALONG THE NORTHERN PERIPHERY ASSOCIATED WITH THE EASTERN EDGE OF A STRONG COLD-SURGE EVENT. ENVIRONMENTAL ANALYSIS FOR THE AREA INDI
Disaster Info Botdisaster_bot@m.ai6yr.org
2025-10-21

#cyclones #typhoons #JTWC ABPW10 PGTW 210600
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS/210600Z-220600ZOCT2025//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/210151ZOCT2025//
AMPN/REF A IS A TROPICAL CYCLONE WARNING.//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY:
(1) AT 21OCT25 0000Z, TROPICAL STORM 30W (FENGSHEN) WAS LOCATED
NEAR 17.

ABPW10 PGTW 210600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS/210600Z-220600ZOCT2025// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/210151ZOCT2025// AMPN/REF A IS A TROPICAL CYCLONE WARNING.// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: (1) AT 21OCT25 0000Z, TROPICAL STORM 30W (FENGSHEN) WAS LOCATED NEAR 17.4N 112.4E, APPROXIMATELY 250 NM EAST-NORTHEAST OF DA NANG, VIETNAM, AND HAD TRACKED SOUTHWESTWARD AT 07 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 45 KNOTS GUSTING TO 55 KNOTS. SEE REF A (WTPN31 PGTW 210300) FOR FURTHER DETAILS. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 97W) PREVIOUSLY LOCATED NEAR 24.2N 124.5E IS NOW LOCATED NEAR 24.4N 123.4E, APPROXIMATELY 42 NM WEST OF ISHIGAKIJIMA. ANIMATED ENHANCED MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICTS A PARTIALLY EXPOSED LOW LEVEL CIRCULATION CENTER (LLCC) WITH FLARING CONVECTION. A 10210042Z ASCAT REVEALS A WAVE LIKE FEATURE PASSING ISHIGAKIJIMA, WITH THE STRONGEST WINDS OF 25-30 KNOTS PASSING SOUTH ALONG THE NORTHERN PERIPHERY ASSOCIATED WITH THE EASTERN EDGE OF A STRONG COLD-SURGE EVENT. ENVIRONMENTAL ANALYSIS FOR THE AREA INDI
Disaster Info Botdisaster_bot@m.ai6yr.org
2025-10-20

#cyclones #typhoons #JTWC ABPW10 PGTW 201500
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS REISSUED/201500Z-210600ZOCT2025//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/201352ZOCT2025//
AMPN/REF A IS A TROPICAL CYCLONE WARNING.//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY:
(1) AT 20OCT25 1200Z, TROPICAL STORM 30W (FENGSHEN) WAS LOCATED

ABPW10 PGTW 201500 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS REISSUED/201500Z-210600ZOCT2025// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/201352ZOCT2025// AMPN/REF A IS A TROPICAL CYCLONE WARNING.// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: (1) AT 20OCT25 1200Z, TROPICAL STORM 30W (FENGSHEN) WAS LOCATED NEAR 18.5N 114.2E, APPROXIMATELY 228 NM SOUTH OF HONG KONG, AND HAD TRACKED WESTWARD AT 10 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 45 KNOTS GUSTING TO 55 KNOTS. SEE REF A (WTPN31 PGTW 201500) FOR FURTHER DETAILS. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: (1) AN AREA OF CONVECTION (INVEST 97W) HAS PERSISTED NEAR 24.2N 124.5E, APPROXIMATELY 20 NM SOUTHEAST OF ISHIGAKIJIMA. ENHANCED INFRARED SATELLITE IMAGERY (EIR) DEPICTS AN AREA OF FLARING CONVECTION WITH NO DEFINED LOW-LEVEL CIRCULATION CENTER. A PARTIAL ASCAT 10201213Z PASS REVEALS A WAVE FEATURE PASSING ISHIGAKIJIMA, WITH THE STRONGEST WINDS OF 25-30 KNOTS ALONG THE NORTHERN PERIPHERY, ASSOCIATED WITH THE EASTERN EDGE OF A STRONG COLD-SURGE EVENT. ENVIRONMENTAL ANALYSIS REVEALS MARGINAL CONDITIONS FOR DEVELOPMENT WITH MODERATE VERTICAL WIND SHEAR (20-25 KNOT
Disaster Info Botdisaster_bot@m.ai6yr.org
2025-10-20

#cyclones #typhoons #JTWC ABPW10 PGTW 201500
MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI//
SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH
PACIFIC OCEANS REISSUED/201500Z-210600ZOCT2025//
REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/201352ZOCT2025//
AMPN/REF A IS A TROPICAL CYCLONE WARNING.//
RMKS/
1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA):
A. TROPICAL CYCLONE SUMMARY:
(1) AT 20OCT25 1200Z, TROPICAL STORM 30W (FENGSHEN) WAS LOCATED

ABPW10 PGTW 201500 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS REISSUED/201500Z-210600ZOCT2025// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/201352ZOCT2025// AMPN/REF A IS A TROPICAL CYCLONE WARNING.// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: (1) AT 20OCT25 1200Z, TROPICAL STORM 30W (FENGSHEN) WAS LOCATED NEAR 18.5N 114.2E, APPROXIMATELY 228 NM SOUTH OF HONG KONG, AND HAD TRACKED WESTWARD AT 10 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 45 KNOTS GUSTING TO 55 KNOTS. SEE REF A (WTPN31 PGTW 201500) FOR FURTHER DETAILS. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: (1) AN AREA OF CONVECTION (INVEST 97W) HAS PERSISTED NEAR 24.2N 124.5E, APPROXIMATELY 20 NM SOUTHEAST OF ISHIGAKIJIMA. ENHANCED INFRARED SATELLITE IMAGERY (EIR) DEPICTS AN AREA OF FLARING CONVECTION WITH NO DEFINED LOW-LEVEL CIRCULATION CENTER. A PARTIAL ASCAT 10201213Z PASS REVEALS A WAVE FEATURE PASSING ISHIGAKIJIMA, WITH THE STRONGEST WINDS OF 25-30 KNOTS ALONG THE NORTHERN PERIPHERY, ASSOCIATED WITH THE EASTERN EDGE OF A STRONG COLD-SURGE EVENT. ENVIRONMENTAL ANALYSIS REVEALS MARGINAL CONDITIONS FOR DEVELOPMENT WITH MODERATE VERTICAL WIND SHEAR (20-25 KNOT

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