FVXX22 KNES 210539
VA ADVISORY
DTG: 20210521/0539Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/490

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

ERUPTION DETAILS: BRIEF VA EM TO FL230 WITH CONTD
EMS TO FL200.

OBS VA DTG: 21/0510Z

OBS VA CLD: SFC/FL200 S0156 W07846 - S0159 W07819
- S0201 W07819 - S0204 W07846 - S0156 W07846 MOV
W 10KT SFC/FL230 S0149 W07827 - S0157 W07821 -
S0159 W07823 - S0156 W07832 - S0149 W07827 MOV NW
10KT 

FCST VA CLD +6HR: 21/1100Z SFC/FL200 S0154 W07900
- S0159 W07819 - S0201 W07819 - S0204 W07901 -
S0154 W07900 SFC/FL230 NO VA EXP

FCST VA CLD +12HR: 21/1700Z SFC/FL200 S0154
W07859 - S0159 W07819 - S0201 W07819 - S0205
W07900 - S0154 W07859 

FCST VA CLD +18HR: 21/2300Z NO VA EXP

RMK: BRIEF VA EM ESTD TO FL230 OBS DETACHED FM
AND MOV NW 13 NM FM SUMMIT AND EXP TO DSIPT BY
T+6 HRS. CONTD LGT VA EMS OBS EXT W UP TO 25 NM
FM SUMMIT. OBS VA FLS ESTD FM NWP MDLS AND VOLCAT
ALERT. LTLCG EXP IN FL200 WINDS THRU T+12 HRS.
...CLARK

NXT ADVISORY: WILL BE ISSUED BY 20210521/1145Z
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