FVXX20 KNES 201004
VA ADVISORY
DTG: 20201220/1004Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2020/1236

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

ERUPTION DETAILS: CONTG VA EMS.

OBS VA DTG: 20/0940Z

OBS VA CLD: SFC/FL200 S0141 W07817 - S0200 W07820
- S0204 W07842 - S0143 W07841 - S0141 W07817 MOV
NW 10KT SFC/FL250 S0200 W07820 - S0201 W07818 -
S0242 W07901 - S0234 W07910 - S0200 W07820 MOV SW
15KT 

FCST VA CLD +6HR: 20/1530Z SFC/FL200 S0133 W07832
- S0159 W07819 - S0201 W07820 - S0152 W07853 -
S0133 W07832 SFC/FL250 S0201 W07820 - S0201
W07817 - S0256 W07914 - S0246 W07927 - S0201
W07820 

FCST VA CLD +12HR: 20/2130Z SFC/FL200 S0129
W07836 - S0159 W07818 - S0202 W07820 - S0152
W07856 - S0129 W07836 SFC/FL250 NO VA EXP

FCST VA CLD +18HR: 21/0330Z SFC/FL200 S0137
W07846 - S0159 W07819 - S0202 W07820 - S0201
W07901 - S0137 W07846 

RMK: VA CLD OBS MOV N AND NW AT APPX FL200. VA
PLUME EXT SW 60 NM FM SUMMIT AT FL250. RECENT
IMAGERY SUGGESTS DECREASING EM ACT. LTLCG EXP IN
WINDS AT BOTH FL THRU T+18 HRS. ...CLARK

NXT ADVISORY: WILL BE ISSUED BY 20201220/1600Z