Schlagwort: volcano

The Volcanic Ash Advisory Center (VAAC) Washington issued the following bulletin.
Original VAAC bulletin:

FVXX23 at 01:41 UTC, 28/08/26 from KNES
VA ADVISORY
DTG: 20260828/0139Z

VAAC: WASHINGTON

VOLCANO: PURACE 351060
PSN: N0219 W07624

AREA: COLOMBIA

SOURCE ELEV: 15256 FT AMSL

ADVISORY NR: 2026/454

INFO SOURCE: GOES-19. VONA. NWP MODELS. SERVICIO
GEOLOGICO COLOMBIANO. 

ERUPTION DETAILS: PSBL CONTG OCNL VA EMS.

EST VA DTG: 28/0110Z

EST VA CLD: SFC/FL180 N0227 W07636 - N0220 W07623
- N0219 W07623 - N0220 W07638 - N0227 W07636 MOV
NW 25KT 

FCST VA CLD +6HR: 28/0700Z SFC/FL180 N0228 W07637
- N0220 W07623 - N0219 W07623 - N0219 W07638 -
N0228 W07637 

FCST VA CLD +12HR: 28/1300Z SFC/FL180 N0229
W07637 - N0220 W07623 - N0219 W07623 - N0219
W07638 - N0229 W07637 

FCST VA CLD +18HR: 28/1900Z NO VA EXP

RMK: VA NOT OBS IN SAT WITH INTMT MET CLD OBSCN
OF SUMMIT AREA. RECENT VONA RPTD PSBL VA EM. OBS
VA AREA ESTD FM NWP MDLS AND PREV VAA. LTLCG FCST
IN FL MVMT THRU T+12 HRS. ...CLARK

NXT ADVISORY: WILL BE ISSUED BY 20260828/0745Z

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 7000 ft (2100 m), or flight level 070.
Original VAAC bulletin:

FVAU01 at 22:32 UTC, 27/08/26 from ADRM
VA ADVISORY
DTG: 20260827/2230Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/679
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 OBS AT 27/2210Z MOV NE
EST VA DTG: 27/2210Z
EST VA CLD: SFC/FL070 N0135 E12753 - N0143 E12745 - N0220
 E12754 - N0223 E12816 - N0210 E12830 - N0149 E12831 MOV NE
 10KT
FCST VA CLD +6 HR: 28/0410Z SFC/FL070 N0135 E12751 - N0145
 E12743 - N0232 E12808 - N0221 E12846 - N0148 E12849
FCST VA CLD +12 HR: 28/1010Z SFC/FL070 N0135 E12753 - N0143
 E12744 - N0226 E12819 - N0216 E12851 - N0145 E12852
FCST VA CLD +18 HR: 28/1610Z SFC/FL070 N0135 E12752 - N0143
 E12745 - N0227 E12815 - N0217 E12846 - N0145 E12852
RMK: VA IDENTIFIABLE ON SATELLITE IMAGERY MOVING NE.
 EMISSIONS EXPECTED TO BE ONGOING. VA HEIGHT AND MOVEMENT
 BASED ON SATELLITE IMAGERY AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260828/0430Z=

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=

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=

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 7000 ft (2100 m), or flight level 070.
Original VAAC bulletin:

FVAU01 at 10:23 UTC, 27/08/26 from ADRM
VA ADVISORY
DTG: 20260827/1030Z
VAAC: DARWIN
VOLCANO: DUKONO 268010
PSN: N0142 E12754
AREA: INDONESIA
SOURCE ELEV: 1229M AMSL
ADVISORY NR: 2026/677
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 OBS AT 27/0410Z MOV NE
EST VA DTG: 27/1010Z
EST VA CLD: SFC/FL070 N0136 E12754 - N0141 E12745 - N0222
 E12754 - N0241 E12831 - N0158 E12857 MOV NE 10KT
FCST VA CLD +6 HR: 27/1610Z SFC/FL070 N0134 E12753 - N0140
 E12746 - N0234 E12825 - N0205 E12855 - N0144 E12854
FCST VA CLD +12 HR: 27/2210Z SFC/FL070 N0136 E12752 - N0141
 E12745 - N0214 E12750 - N0215 E12821 - N0201 E12839 - N0141
 E12843
FCST VA CLD +18 HR: 28/0410Z SFC/FL070 N0136 E12747 - N0146
 E12743 - N0231 E12826 - N0215 E12903 - N0138 E12856
RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY DUE TO
 MET CLOUD, HOWEVER EMISSIONS EXPECTED TO BE ONGOING. VA
 HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY AND MODEL
 GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260827/1630Z=