From 27/08/2026 to 08/09/2026, a Hurricane/Typhoon > 74 mph (maximum wind speed of 259 km/h) LOWELL-26 was active in CentralPacific. The cyclone affects these countries: United States (vulnerability Low). Estimated population affected by category 1 (120 km/h) wind speeds or higher is 2381 .
Green notification for tropical cyclone KARINA-26. Population affected by Category 1 (120 km/h) wind speeds or higher is 0 (0 in Tropical Storm).
Lewotobi Volcano Volcanic Ash Advisory: VA ERUPTION LAST REPORTED AT 27/1926Z EST VA DTG: 27/1930Z
The Volcanic Ash Advisory Center (VAAC) Darwin issued the following bulletin.
Original VAAC bulletin:
FVAU04 at 19:47 UTC, 27/08/26 from ADRM
VA ADVISORY
DTG: 20260827/1950Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/431
INFO SOURCE: CVGHM
ERUPTION DETAILS: VA ERUPTION LAST REPORTED AT 27/1926Z
EST VA DTG: 27/1930Z
EST VA CLD: SFC/FL090 S0835 E12251 - S0857 E12218 - S0839
E12200 - S0820 E12209 - S0828 E12249 MOV W 10KT
FCST VA CLD +6 HR: 28/0130Z SFC/FL090 S0836 E12251 - S0859
E12219 - S0848 E12159 - S0827 E12212 - S0828 E12249
FCST VA CLD +12 HR: 28/0730Z SFC/FL090 S0836 E12249 - S0847
E12213 - S0834 E12201 - S0821 E12211 - S0829 E12248
FCST VA CLD +18 HR: 28/1330Z SFC/FL090 S0828 E12249 - S0836
E12252 - S0858 E12211 - S0844 E12155 - S0822 E12205
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD, HOWEVER MULTIPLE REPORTS SUGGEST INTERMITTENT
ERUPTIONS ARE ONGOING. HEIGHT AND FORECAST BASED ON GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260828/0150Z=
Semeru Volcanic Ash Advisory
An ash eruption was observed at Semeru at 27 August 2026, 09:40 UTC. Ash height and movement are estimated from earlier satellite imagery, ground reports, and model guidance; volcanic ash was not identifiable on current satellite imagery.
Original VAAC bulletin:
FVAU02 at 15:58 UTC, 27/08/26 from ADRM
VA ADVISORY
DTG: 20260827/1600Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/979
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA ERUPTION OBS AT 27/0940Z
EST VA DTG: 27/1540Z
EST VA CLD: SFC/FL150 S0800 E11249 - S0745 E11306 - S0750
E11323 - S0828 E11319 - S0838 E11250 - S0809 E11246 MOV E
05KT
FCST VA CLD +6 HR: 27/2140Z SFC/FL150 S0801 E11249 - S0750
E11316 - S0759 E11320 - S0840 E11314 - S0837 E11247 - S0809
E11246
FCST VA CLD +12 HR: 28/0340Z SFC/FL150 S0806 E11249 - S0800
E11253 - S0801 E11319 - S0820 E11323 - S0844 E11313 - S0838
E11251
FCST VA CLD +18 HR: 28/0940Z SFC/FL150 S0808 E11248 - S0757
E11254 - S0753 E11319 - S0810 E11326 - S0832 E11313 - S0837
E11249
RMK: VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGERY.
GROUND REPORTS INDICATE ONGOING ERUPTIONS. VA HEIGHT AND
MOVEMENT BASED ON PAST SATELLITE IMAGERY, GROUND REPORTS AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260827/2200Z=
Green notification for tropical cyclone DOLLY-26. Population affected by Category 1 (120 km/h) wind speeds or higher is 0 (0 in Tropical Storm).
From 27/08/2026 to 27/08/2026, a Tropical Storm (maximum wind speed of 74 km/h) DOLLY-26 was active in Atlantic. The cyclone affects these countries: Guadeloupe, Antigua and Barbuda, Montserrat, Saint Kitts and Nevis, Anguilla (vulnerability High). Estimated population affected by category 1 (120 km/h) wind speeds or higher is 0 (0 in tropical storm).