* Where polygon colors overlap, the resulting color will not precisely match what is presented in the legend. It will generally be a combination of the colors. (eg. Red + Yellow = Orange, which would mean OBS and OBS + 6 Hours overlap)


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Most Recent Advisory:

FVXX21 KNES 071027
VA ADVISORY
DTG: 20260307/1027Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SOURCE ELEV: 17342 FT AMSL
ADVISORY NR: 2026/249
INFO SOURCE: GOES-19. NWP MODELS. 
ERUPTION DETAILS: PSBL VA EMS
EST VA DTG: 07/0950Z
EST VA CLD: SFC/FL220 S0153 W07811 - S0159 W07809
- S0201 W07820 - S0159 W07821 - S0153 W07811 MOV
NE 10KT 
FCST VA CLD +6HR: 07/1600Z SFC/FL220 S0147 W07807
- S0155 W07802 - S0201 W07820 - S0200 W07821 -
S0147 W07807 
FCST VA CLD +12HR: 07/2200Z NO VA EXP
FCST VA CLD +18HR: 08/0400Z NO VA EXP
RMK: VA EMS NOT OBSD IN STLT IMG DUE TO MET CLDS.
VA EMS MAY BE OBSCD. LTLCG IN FCST EXP THRU T+6
HRS. MVMT AND HGT BASED ON NWP MDLS. ...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20260307/1645Z
Sangay Archive

Area: ECUADOR

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GOES-East Imagery:
Dirty Longwave (IR Band-15),
Tropospheric Dust Content