FVXX21 KNES 211424
VA ADVISORY
DTG: 20170921/1424Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2017/042

INFO SOURCE: GOES-EAST. NON-OPERATIONAL GOES-16.
NWP MODELS. NOAA CIMSS ALERT. 

ERUPTION DETAILS: CONTINUOUS VA EMS

OBS VA DTG: 21/1345Z

OBS VA CLD: SFC/FL200 S0146 W07834 - S0159 W07819
- S0202 W07819 - S0207 W07836 - S0146 W07834 MOV
NW 20KT 

FCST VA CLD +6HR: 21/2000Z SFC/FL200 S0152 W07841
- S0159 W07819 - S0202 W07819 - S0205 W07843 -
S0152 W07841 

FCST VA CLD +12HR: 22/0200Z SFC/FL200 S0152
W07841 - S0159 W07819 - S0202 W07819 - S0205
W07843 - S0152 W07841 

FCST VA CLD +18HR: 22/0800Z SFC/FL200 S0152
W07841 - S0159 W07819 - S0202 W07819 - S0205
W07842 - S0152 W07841 

RMK: CONT LGT VA EMS OBSERVED IN STLT MOVG NW AND
W FM SUMMIT AT 20KTS NEAR FL200. ASH QUICKLY
BECOMES DIFFUSE AND TOO THIN TO DETECT BEYOND 30
NMI W FM THE VOLCANO. ...RAMIREZ

NXT ADVISORY: WILL BE ISSUED BY 20170921/2030Z
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