FVXX22 KNES 201139
VA ADVISORY
DTG: 20210520/1139Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0201 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/487

INFO SOURCE: GOES-16. NWP MODELS. 

ERUPTION DETAILS: CONS VA EMS

OBS VA DTG: 20/1040Z

OBS VA CLD: SFC/FL250 S0159 W07814 - S0243 W07731
- S0307 W07820 - S0201 W07821 - S0159 W07814 MOV
SE 10KT SFC/FL3100 S0157 W07824 - S0204 W07821 -
S0308 W07831 - S0253 W07920 - S0157 W07824 MOV SW
20KT 

FCST VA CLD +6HR: 20/1630Z SFC/FL250 S0159 W07817
- S0231 W07747 - S0247 W07819 - S0202 W07820 -
S0159 W07817 SFC/FL250 S0242 W07731 - S0300
W07711 - S0335 W07816 - S0307 W07819 - S0242
W07731 SFC/FL310 S0216 W07843 - S0227 W07829 -
S0340 W07849 - S0323 W07952 - S0216 W07843 

FCST VA CLD +12HR: 20/2230Z SFC/FL250 S0158
W07820 - S0202 W07816 - S0247 W07818 - S0239
W07902 - S0158 W07820 SFC/FL310 NO VA EXP

FCST VA CLD +18HR: 21/0430Z NO VA EXP

RMK: CONS VA EMS OBS IN SAT MOV SE AT FL250 AND
SW AT FL310. CONS STREAM OF VA EXIST AT FL250. VA
AT FL310 IS SEPERATING FM SUMMIT. NWP MDLS FCST
VA TO MOV MOR SE THRU T+12 FOR FL250. ...TUGGLE

NXT ADVISORY: WILL BE ISSUED BY 20210520/1745Z