FVXX21 KNES 281336
VA ADVISORY
DTG: 20200128/1336Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2020/104

INFO SOURCE: GOES-EAST. GUAYAQUIL MWO. NWP
MODELS. VOLCAT. 

ERUPTION DETAILS: CONT VA EM

OBS VA DTG: 28/1310Z

OBS VA CLD: SFC/FL190 S0149 W07820 - S0150 W07810
- S0201 W07817 - S0159 W07822 - S0149 W07820 MOV
NE 5-10KT SFC/FL210 S0143 W07911 - S0158 W07820 -
S0201 W07819 - S0200 W07911 - S0143 W07911 MOV W
15-20KT SFC/FL280 S0114 W07844 - S0158 W07819 -
S0200 W07821 - S0143 W07911 - S0114 W07844 MOV NW
15-20KT 

FCST VA CLD +6HR: 28/1900Z SFC/FL210 S0141 W07934
- S0158 W07820 - S0201 W07819 - S0204 W07938 -
S0141 W07934 SFC/FL280 S0113 W07853 - S0158
W07819 - S0200 W07820 - S0137 W07919 - S0113
W07853 SFC/FL190 S0149 W07819 - S0150 W07810 -
S0201 W07817 - S0158 W07821 - S0149 W07819 

FCST VA CLD +12HR: 29/0100Z SFC/FL210 S0143
W07934 - S0158 W07820 - S0201 W07820 - S0205
W07937 - S0143 W07934 SFC/FL280 S0111 W07851 -
S0158 W07819 - S0159 W07820 - S0138 W07918 -
S0111 W07851 SFC/FL190 NO ASH EXP

FCST VA CLD +18HR: 29/0700Z SFC/FL210 S0142
W07933 - S0158 W07820 - S0201 W07819 - S0205
W07937 - S0142 W07933 SFC/FL280 S0111 W07850 -
S0157 W07819 - S0159 W07820 - S0137 W07919 -
S0111 W07850 

RMK: CONT VA EM OBS IN STLT IMAGERY MOV W AND NW
OF SUMMIT AT MULTIPLE FL. VA ALSO HDG NE BUT
CONFIDENCE IN FL IS LOW. HGT FM SIGMET AND NWP
MODELS. ...CLARK

NXT ADVISORY: WILL BE ISSUED BY 20200128/1930Z