FVXX20 KNES 071807
VA ADVISORY
DTG: 20210507/1807Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/447

INFO SOURCE: GOES-16. NWP MODELS. ASH3D.
GEOPHYSICAL INST. 

ERUPTION DETAILS: ONGOING MDT ERUPTION.

OBS VA DTG: 07/1730Z

OBS VA CLD: SFC/FL250 S0150 W07905 - S0159 W07819
- S0214 W07854 - S0200 W07916 - S0150 W07905 MOV
W 20KT SFC/FL350 S0143 W07844 - S0203 W07808 -
S0210 W07833 - S0150 W07903 - S0143 W07844 MOV NW
15KT 

FCST VA CLD +6HR: 07/2330Z SFC/FL250 S0138 W07950
- S0204 W07820 - S0216 W07909 - S0207 W07956 -
S0138 W07950 SFC/FL350 S0121 W07844 - S0159
W07811 - S0204 W07921 - S0128 W07943 - S0121
W07844 

FCST VA CLD +12HR: 08/0530Z SFC/FL250 S0145
W07857 - S0159 W07818 - S0224 W08113 - S0150
W08113 - S0145 W07857 SFC/FL350 NO VA EXP

FCST VA CLD +18HR: 08/1130Z SFC/FL250 S0133
W08039 - S0159 W07826 - S0204 W07822 - S0216
W08042 - S0133 W08039 

RMK: VA EXTDS OVR 50 NMI W AND 35 NMI WNW AND WSW
OF SUMMIT. SEISMIC ACT RPRTD BY GEOPHYS INST. MDT
ERUPTION STARTED ARND 1500Z. SECONDARY ERUPTION
ARND 1645Z. FCST BASED ON NWP MDLS AND ASH3D. VA
EXPCD TO CONT MOVG W THRU T+18. ...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20210508/0000Z
Full Size Graphic

-Graphic Map Depicting Ash