FVXX20 KNES 181857
VA ADVISORY
DTG: 20210418/1857Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/384

INFO SOURCE: GOES-16. NWP MODELS. 

ERUPTION DETAILS: CONS VA EMS

OBS VA DTG: 18/1830Z

OBS VA CLD: SFC/FL250 S0150 W07843 - S0159 W07818
- S0201 W07820 - S0157 W07846 - S0150 W07843 MOV
NW 10KT SFC/FL350 S0211 W07901 - S0212 W07859 -
S0218 W07852 - S0225 W07901 - S0217 W07910 -
S0211 W07901 MOV SW 15KT 

FCST VA CLD +6HR: 19/0030Z SFC/FL250 S0146 W07846
- S0159 W07818 - S0202 W07820 - S0156 W07852 -
S0146 W07846 SFC/FL350 S0217 W07908 - S0225
W07859 - S0235 W07916 - S0228 W07922 - S0217
W07908 

FCST VA CLD +12HR: 19/0630Z SFC/FL250 S0143
W07849 - S0158 W07818 - S0202 W07820 - S0155
W07855 - S0143 W07849 SFC/FL350 NO VA EXP

FCST VA CLD +18HR: 19/1230Z NO VA EXP

RMK: CONS VA EMS OBS MOVING NW FM SUMMIT AT FL250
EXT 30 NM. VA EM AT FL350 CNTRD 45 NM SW OF
SUMMIT MOV SW AT 15 KTS.  NWP MDLS FCST LTLCG IN
WIND DIR THRU T+12. ...TUGGLE

NXT ADVISORY: WILL BE ISSUED BY 20210419/0100Z