From 30/09/2026 to 30/09/2026, a Tropical Storm (maximum wind speed of 204 km/h) CHOI-WAN-26 was active in NWPacific. The cyclone affects these countries: Northern Mariana Islands (vulnerability Medium). Estimated population affected by category 1 (120 km/h) wind speeds or higher is 0 (0 in tropical storm).
Etna Volcanic Ash Advisory: ash plume to 13,000 ft (4,000 m) as of Sep 29, 22:00 UTC
Satellite image of Etna volcano on 29 Sep 2026
Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Toulouse warned of a volcanic ash plume rising to an estimated 13000 ft (4000 m), or flight level 130, and moving at 10 kts in S direction.
Original VAAC bulletin:
FVXX01 at 22:00 UTC, 29/09/26 from LFPW
VA ADVISORY
DTG: 20260929/2200Z
VAAC: TOULOUSE
VOLCANO: ETNA 211060
PSN: N3744 E01459
AREA: SICILY VOLCANIC PROVINCE
SOURCE ELEV: 3357M
ADVISORY NR: 2026/198
INFO SOURCE: INGV VONA, WEBCAMS, SAT IMAGERY
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: ERUPTION AT 20260929/0525Z WEAK ASH EMISSION
OBS VA DTG: 29/2200Z
OBS VA CLD: SFC/FL130 N3751 E01457 - N3748 E01506 - N3718 E01503 -
N3718 E01454 - N3751 E01457 MOV S 10KT
FCST VA CLD +6 HR: 30/0400Z SFC/FL130 N3751 E01457 - N3751 E01506 -
N3703 E01521 - N3703 E01448 - N3751 E01457
FCST VA CLD +12 HR: 30/1000Z SFC/FL130 N3751 E01457 - N3751 E01506 -
N3703 E01521 - N3703 E01448 - N3751 E01457
FCST VA CLD +18 HR: 30/1600Z SFC/FL130 N3751 E01457 - N3751 E01506 -
N3703 E01521 - N3703 E01448 - N3751 E01457
RMK: THIN ASH CLOUD IDENTIFIABLE FROM SAT IMAGERY, DRIFTING
SOUTHWARD. DUE TO THE LOW INTENSITY OF THE EVENT, QVA ARE NOT
PROVIDED.
NXT ADVISORY: NO LATER THAN 20260902/0400Z=
Semeru Volcanic Ash Advisory: ash plume to 15,000 ft (4,600 m) as of Sep 29, 17:00 UTC
Satellite image of Semeru volcano on 29 Sep 2026
Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150.
Original VAAC bulletin:
FVAU02 at 17:13 UTC, 29/09/26 from ADRM
VA ADVISORY
DTG: 20260929/1720Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/1116
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 OBS AT 29/1700Z MOV SE
OBS VA DTG: 29/1700Z
OBS VA CLD: SFC/FL150 S0759 E11253 - S0803 E11317 - S0828
E11312 - S0829 E11250 - S0805 E11247 MOV SE 10KT
FCST VA CLD +6 HR: 29/2300Z SFC/FL150 S0805 E11248 - S0758
E11254 - S0802 E11315 - S0808 E11319 - S0827 E11312 - S0827
E11251
FCST VA CLD +12 HR: 30/0500Z SFC/FL150 S0807 E11250 - S0802
E11251 - S0756 E11300 - S0800 E11323 - S0823 E11320 - S0826
E11258
FCST VA CLD +18 HR: 30/1100Z SFC/FL150 S0807 E11249 - S0802
E11249 - S0752 E11301 - S0754 E11322 - S0816 E11325 - S0822
E11304
RMK: VA CLEARLY IDENTIFIABLE ON LATEST RGB SATELLITE. VA
HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260929/2320Z=
Green notification for tropical cyclone NINETEEN-E-26. Population affected by Category 1 (120 km/h) wind speeds or higher is 0 (0 in Tropical Storm).
From 29/09/2026 to 29/09/2026, a Tropical Depression (maximum wind speed of 65 km/h) NINETEEN-E-26 was active in EastPacific. The cyclone affects these countries: [unknown] (vulnerability [unknown]). Estimated population affected by category 1 (120 km/h) wind speeds or higher is 0 (0 in tropical storm).