TERCEIRA.6 - 2025-12-04 10:11 utc
Quantitative Volcanic Ash : Determinist Low Medium High Very High
Advisories
TERCEIRA.6 - 2025-12-04 10:11 utc 
VA ADVISORY
STATUS: EXER
DTG: 20251204/1011Z
VAAC: TOULOUSE
VOLCANO: TERCEIRA 382050
PSN: N3843 W02719
AREA: AZORES-TERCEIRA RIFT VOLCANIC PROVINCE
SOURCE ELEV: 1023M
ADVISORY NR: 2025/6
INFO SOURCE: VONA, GROUND OBS, SAT IMAGERY
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 20251204/0855Z STRONG EXPLOSIVE ERUPTION ONGOING
OBS VA DTG: 04/1000Z
OBS VA CLD: SFC/FL300 N3845 W02721 - N3851 W02648 - N3839 W02645 - N3815 W02721 - N3845 W02721 MOV E 20KT FL300/500 N3845 W02721 - N3836 W02712 - N3812 W02706 - N3800 W02739 - N3845 W02721 MOV S 30KT
FCST VA CLD +6 HR: 04/1600Z SFC/FL250 N3851 W02724 - N3942 W02545 - N4015 W02330 - N3806 W02306 - N3851 W02724  FL130/300 N3851 W02718 - N3836 W02436 - N3745 W02518 - N3700 W02751 - N3851 W02718  FL250/500 N3851 W02721 - N3742 W02603 - N3530 W02712 - N3621 W02945 - N3851 W02721 
FCST VA CLD +12 HR: 04/2200Z SFC/FL250 N3851 W02724 - N4042 W02236 - N4109 W01709 - N3806 W02033 - N3803 W02515 - N3851 W02724  FL130/350 N3851 W02718 - N3921 W02136 - N3638 W02503 - N3851 W02718  FL200/470 N3851 W02721 - N3924 W02342 - N3623 W02454 - N3142 W03045 - N3536 W03000 - N3851 W02721 
FCST VA CLD +18 HR: 05/0400Z SFC/FL250 N3851 W02718 - N4100 W02112 - N4106 W01100 - N3839 W01151 - N3738 W02542 - N3851 W02718  FL200/470 N3851 W02715 - N4021 W01851 - N2751 W03333 - N3145 W03242 - N3851 W02715 
RMK:  EXERCISE VOLCAZO25.02 PLEASE DISREGARD. PLUME HEIGHT ESTIMATED AT 14KM AMSL EXERCISE EXERCISE EXERCISE
NXT ADVISORY: NO LATER THAN 20251204/1300Z=
VAA (txt) VAG (png) VAG (csv) Concentration maps (png) Concentration maps (csv) Concentration maps SFC-FL200 (pdf) Concentration maps FL200-FL350 (pdf) Concentration maps FL350-FL550 (pdf) Annotated satellite views (jpeg) QVA det (json) QVA low (json) QVA medium (json) QVA high (json) QVA very high (json)

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