FVXX20 KNES 211718
VA ADVISORY
DTG: 20210421/1718Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/401

INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. 

ERUPTION DETAILS: CONS VA CLD EMS.

OBS VA DTG: 21/1650Z

OBS VA CLD: SFC/FL190 S0151 W07823 - S0201 W07819
- S0201 W07820 - S0153 W07828 - S0151 W07823 MOV
NW 10KT SFC/FL230 S0159 W07819 - S0201 W07819 -
S0208 W07838 - S0201 W07841 - S0159 W07819 MOV W
15KT 

FCST VA CLD +6HR: 21/2300Z SFC/FL190 S0144 W07818
- S0146 W07806 - S0202 W07819 - S0201 W07820 -
S0144 W07818 SFC/FL230 S0147 W07846 - S0201
W07820 - S0202 W07820 - S0208 W07900 - S0147
W07846 

FCST VA CLD +12HR: 22/0500Z SFC/FL190 NO VA
EXPSFC/FL230 S0143 W07843 - S0201 W07820 - S0201
W07847 - S0144 W07925 - S0143 W07843 

FCST VA CLD +18HR: 22/1100Z SFC/FL230 S0131
W07849 - S0201 W07819 - S0202 W07821 - S0142
W07908 - S0131 W07849 

RMK: VA CLD EXTDS 25 NMI WSW AND 13 NMI NNW FM
SUMMIT. WEBCAM SHOWS RISING LIGHT GRAY PLUME WITH
EARLIER WEBCAM IMAGES SHOWING DARK PLUME. FLS
ESTD FM NWP MDLS WHICH FCST VEERING WINDS THRU
T+18HRS. ...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20210421/2315Z