FVXX21 KNES 280813
VA ADVISORY
DTG: 20211228/0813Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/1133

INFO SOURCE: GOES-16. NWP MODELS. 

ERUPTION DETAILS: VA EMS LKLY CONTG.

OBS VA DTG: 28/0730Z

OBS VA CLD: SFC/FL200 S0152 W07845 - S0200 W07819
- S0202 W07819 - S0206 W07846 - S0152 W07845 MOV
W 10KT 

FCST VA CLD +6HR: 28/1330Z SFC/FL200 S0146 W07900
- S0200 W07819 - S0202 W07820 - S0202 W07902 -
S0146 W07900 

FCST VA CLD +12HR: 28/1930Z SFC/FL200 S0153
W07901 - S0200 W07819 - S0202 W07819 - S0210
W07902 - S0153 W07901 

FCST VA CLD +18HR: 29/0130Z NO VA EXP

RMK: VA LAST OBSD WITH CERTAINTY AT 01Z BFR TS
MOVD OVR SUMMIT. HI THIN WX CLDS STILL OBSC
SUMMIT...BUT VA CLD PSBLY OBSD THRU WX CLDS.
CONFDC IN OBS AND FCST IS LOW-MED. ...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20211228/1415Z