FVXX20 KNES 110952
VA ADVISORY
DTG: 20210411/0952Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/359

INFO SOURCE: GOES-16. NWP MODELS. 

ERUPTION DETAILS: CONS LGT VA EMS.

OBS VA DTG: 11/0920Z

OBS VA CLD: SFC/FL200 S0158 W07849 - S0159 W07820
- S0201 W07820 - S0205 W07850 - S0158 W07849 MOV
W 20KT 

FCST VA CLD +6HR: 11/1530Z SFC/FL200 S0159 W07820
- S0201 W07819 - S0221 W07844 - S0205 W07858 -
S0159 W07820 

FCST VA CLD +12HR: 11/2130Z SFC/FL200 S0159
W07819 - S0202 W07819 - S0231 W07817 - S0228
W07834 - S0159 W07819 

FCST VA CLD +18HR: 12/0330Z NO VA EXP

RMK: VA EXTDS 32 NMI W OF SUMMIT BFR DISPG.
RECENT VA EMS LIGHTER IN DENSITY THAN EARLIER VA
CLDS. NWP MDLS CONT TO NOT FCST VA MOVMT VRY WELL
SO LOW CONFDC IN FCST.  ...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20210411/1545Z