From 31/12/2025 to 31/12/2025, a Tropical Storm (maximum wind speed of 83 km/h) ELEVEN-25 was active in SEIndian. The cyclone affects these countries: Christmas Island (vulnerability Low). Estimated population affected by category 1 (120 km/h) wind speeds or higher is 0 (0 in tropical storm).
Fuego Volcano Volcanic Ash Advisory: FRQT SML VA EMS. to 15000 ft (4600 m)
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 and is moving at 10 kts in W direction.
The full report is as follows:
FVXX23 at 16:14 UTC, 31/12/25 from KNES
VA ADVISORY
DTG: 20251231/1612Z
VAAC: WASHINGTON
VOLCANO: FUEGO 342090
PSN: N1428 W09052
AREA: GUATEMALA
SOURCE ELEV: 12346 FT AMSL
ADVISORY NR: 2025/740
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FRQT SML VA EMS.
OBS VA DTG: 31/1550Z
OBS VA CLD: SFC/FL150 N1431 W09057 – N1429 W09052
– N1428 W09053 – N1422 W09102 – N1428 W09104 –
N1431 W09057 MOV W 10KT
FCST VA CLD +6HR: 31/2200Z SFC/FL150 N1428 W09053
– N1428 W09052 – N1417 W09054 – N1420 W09101 –
N1428 W09053
FCST VA CLD +12HR: 01/0400Z SFC/FL150 N1428
W09053 – N1428 W09052 – N1416 W09054 – N1420
W09101 – N1428 W09053
FCST VA CLD +18HR: 01/1000Z SFC/FL150 N1428
W09053 – N1428 W09052 – N1416 W09052 – N1419
W09059 – N1428 W09053
RMK: MULT VA EMS OBSD BY WEBCAM AND STLT. STLT
IMAGERY SHOWS VA MOVG W AND WSW FM SUMMIT. WEBCAM
AGREES. FL ESTD FM WEBCAM WITH MED CONFDC. NWP
MDL FCST WINDS DIFFER SO FCST CONFDC IS MED-LOW.
…HOSLEY
NXT ADVISORY: WILL BE ISSUED BY 20251231/2215Z
Semeru Volcano Volcanic Ash Advisory: VA ERUPTION LAST REPORTED AT 31/0009Z EST VA DTG: 31/1550Z
Volcanic Ash Advisory Center Darwin (VAAC) issued the following report:
FVAU02 at 16:09 UTC, 31/12/25 from ADRM
VA ADVISORY
DTG: 20251231/1610Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2025/1497
INFO SOURCE: CVGHM, HIMAWARI-9, WEBCAM
ERUPTION DETAILS: VA ERUPTION LAST REPORTED AT 31/0009Z
EST VA DTG: 31/1550Z
EST VA CLD: SFC/FL150 S0801 E11251 – S0755 E11313 – S0807
E11318 – S0822 E11314 – S0820 E11300 – S0810 E11249 MOV E
05KT
FCST VA CLD +6 HR: 31/2150Z SFC/FL150 S0800 E11252 – S0757
E11312 – S0812 E11317 – S0826 E11308 – S0810 E11249
FCST VA CLD +12 HR: 01/0350Z SFC/FL150 S0809 E11251 – S0802
E11252 – S0755 E11317 – S0809 E11326 – S0823 E11314
FCST VA CLD +18 HR: 01/0950Z SFC/FL150 S0808 E11251 – S0800
E11252 – S0752 E11315 – S0805 E11322 – S0819 E11313
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. GROUND REPORTS WEBCAM IMAGERY INDICATE INTERMITTENT
DISCRETE EMISSIONS ARE ONGOING. VA HEIGHT AND MOVEMENT BASED
ON GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251231/2210Z=