FVXX20 KNES 180342
VA ADVISORY
DTG: 20210418/0342Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/380

INFO SOURCE: GOES-16. NWP MODELS. 

ERUPTION DETAILS: SIG VA EM,S CONT

OBS VA DTG: 18/0310Z

OBS VA CLD: SFC/FL230 S0146 W07901 - S0152 W07838
- S0159 W07820 - S0201 W07821 - S0206 W07843 -
S0211 W07906 - S0206 W07920 - S0159 W07926 -
S0153 W07924 - S0146 W07901 MOV W 10KT 

FCST VA CLD +6HR: 18/0900Z SFC/FL S0148 W07941 -
S0150 W07857 - S0159 W07820 - S0207 W07902 -
S0208 W07932 - S0208 W07956 - S0209 W08016 -
S0206 W08023 - S0156 W08024 - S0149 W08008 -
S0148 W07941 

FCST VA CLD +12HR: 18/1500Z SFC/FL230 S0152
W07917 - S0200 W07820 - S0201 W07820 - S0207
W07918 - S0152 W07917 

FCST VA CLD +18HR: 18/2100Z NO VA EXP

RMK: VAA UPDATED EARLY DUE TO VA PLUME MOVG 
FURTHER W THAN FCST. VA DETECTED ON STLT NOW
APROX  65 W OF SUMMIT. SEGU  AIRSPACE LIKELY TO
BE IMPACTED IN NEXT FEW HR. NO CHG IN WINDS ALOFT
FCST THRU T+12 HR. ...KONON

NXT ADVISORY: WILL BE ISSUED BY 20210418/0945Z