FVXX22 KNES 200956
VA ADVISORY
DTG: 20210520/0956Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0201 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/486

INFO SOURCE: GOES-16. NWP MODELS. ASH3D. VOLCAT. 

ERUPTION DETAILS: CONTG VA EMS TO FL310.

OBS VA DTG: 20/0930Z

OBS VA CLD: SFC/FL250 S0159 W07821 - S0159 W07817
- S0215 W07811 - S0217 W07823 - S0159 W07821 MOV
SW 5KT SFC/FL250 S0215 W07754 - S0218 W07743 -
S0243 W07802 - S0249 W07828 - S0234 W07828 -
S0229 W07811 - S0215 W07754 MOV S 10KT SFC/FL310
S0158 W07822 - S0210 W07822 - S0225 W07829 -
S0252 W07832 - S0243 W07901 - S0205 W07838 -
S0158 W07822 MOV SW 20KT 

FCST VA CLD +6HR: 20/1530Z SFC/FL310 S0157 W07825
- S0202 W07818 - S0350 W07837 - S0316 W07941 -
S0157 W07825 SFC/FL250 S0159 W07820 - S0159
W07817 - S0222 W07808 - S0227 W07822 - S0159
W07820 SFC/FL250 S0215 W07751 - S0255 W07722 -
S0323 W07828 - S0246 W07827 - S0215 W07751 

FCST VA CLD +12HR: 20/2130Z SFC/FL250 S0157
W07819 - S0201 W07817 - S0249 W07829 - S0238
W07853 - S0157 W07819 SFC/FL310 NO VA EXP

FCST VA CLD +18HR: 21/0330Z NO VA EXP

RMK: UPDATED FOR NEW NWP MDL INFO. CONTG VA OBS
TO FL310 EXT 60 NM SW FM SUMMIT. VA TO FL250
FANNING OUT 40 TO 60 NM SE AND S OF SUMMIT WITH
CONTG EMS TO FL250 MOV S. ...CLARK

NXT ADVISORY: WILL BE ISSUED BY 20210520/1600Z