FVXX20 KNES 180056
VA ADVISORY
DTG: 20210418/0056Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/379

INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS.
GEOPHYSICAL INST. 

ERUPTION DETAILS: MDT ERUPTION ARND 17/2300Z

OBS VA DTG: 18/0010Z

OBS VA CLD: SFC/FL220 S0150 W07840 - S0201 W07819
- S0203 W07820 - S0158 W07843 - S0150 W07840 MOV
NW 0KT SFC/FL240 S0055 W07938 - S0102 W07929 -
S0117 W07944 - S0108 W07955 - S0055 W07938 MOV NW
10KT SFC/FL250 S0155 W07843 - S0156 W07834 -
S0204 W07835 - S0204 W07843 - S0155 W07843 MOV W
20KT 

FCST VA CLD +6HR: 18/0600Z SFC/FL220 S0128 W07920
- S0159 W07819 - S0202 W07819 - S0144 W07928 -
S0128 W07920 SFC/FL240 NO VA EXPSFC/FL250 S0120
W08009 - S0125 W07956 - S0140 W08001 - S0135
W08015 - S0120 W08009 

FCST VA CLD +12HR: 18/1200Z SFC/FL220 S0134
W07939 - S0159 W07820 - S0202 W07820 - S0155
W07937 - S0134 W07939 SFC/FL250 NO VA EXP

FCST VA CLD +18HR: 18/1800Z SFC/FL220 S0131
W07932 - S0158 W07819 - S0202 W07820 - S0149
W07940 - S0131 W07932 

RMK: MDT ERUPTION RPRTD BY VONA TO OVR 2KM ABV
SUMMIT MOVG WNW. VA OBSD TO 20 NMI W OF SUMMIT W
CONS VA CD EXTDG 20 NMI WNW. REMNANT VA OBSD
DISPG ABT 100 NMI NW OF SUMMIT. NWP MDLS FCST
ONLY SLG CHGS IN WINDS THRU T+18. ...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20210418/0700Z