FVXX20 KNES 172258
VA ADVISORY
DTG: 20210417/2258Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0201 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/378

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

ERUPTION DETAILS: INTMT VA CLD EMS.

OBS VA DTG: 17/2220Z

OBS VA CLD: SFC/FL220 S0145 W07853 - S0159 W07819
- S0202 W07819 - S0155 W07856 - S0145 W07853 MOV
W 15KT SFC/FL240 S0102 W07943 - S0122 W07923 -
S0130 W07935 - S0112 W07952 - S0102 W07943 MOV NW
15KT 

FCST VA CLD +6HR: 18/0430Z SFC/FL220 S0134 W07903
- S0200 W07819 - S0203 W07819 - S0155 W07914 -
S0134 W07903 SFC/FL240 NO VA EXP

FCST VA CLD +12HR: 18/1030Z SFC/FL220 S0146
W07910 - S0158 W07819 - S0202 W07820 - S0207
W07913 - S0146 W07910 

FCST VA CLD +18HR: 18/1630Z SFC/FL NO VA EXP

RMK: REMNANT VA FM PREV ADVY CRNTLY DISPG ABT 90
NMI NW OF SUMMIT. TWO RCNT VA CLDS NOTED MOVG
WNW. GEOPHYS INST HAS RPRTD SEISMIC ACT THIS
AFTERNOON. NWP MDLS FCST VA TO MOV W BY T+12.
...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20210418/0500Z