FVXX23 KNES 081427
VA ADVISORY
DTG: 20231108/1427Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17342 FT (5286 M)

ADVISORY NR: 2023/814

INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS.
HYSPLIT. 

ERUPTION DETAILS: VA EMS SEEN IN SAT, WEBCAM AND
VONA RPRT

OBS VA DTG: 08/1400Z

OBS VA CLD: SFC/FL200 S0200 W07820 - S0201 W07808
- S0207 W07810 - S0201 W07820 - S0200 W07820 MOV
SE 10KT SFC/FL270 S0152 W07839 - S0200 W07820 -
S0201 W07820 - S0158 W07840 - S0152 W07839 MOV W
10KT 

FCST VA CLD +6HR: 08/2000Z SFC/FL200 S0200 W07820
- S0202 W07800 - S0210 W07802 - S0201 W07820 -
S0200 W07820 SFC/FL270 S0145 W07905 - S0200
W07820 - S0201 W07820 - S0159 W07906 - S0145
W07905 

FCST VA CLD +12HR: 09/0200Z SFC/FL200 NO VA
EXPSFC/FL270 S0159 W07820 - S0201 W07820 - S0216
W07903 - S0202 W07907 - S0159 W07820 

FCST VA CLD +18HR: 09/0800Z SFC/FL270 S0153
W07907 - S0159 W07819 - S0201 W07820 - S0207
W07907 - S0153 W07907 

RMK: VONA RPRT OF VA TO NEAR FL270 MOV W AGREES
WELL WITH NWP GUIDANCE. VA AND GASES ALSO SEEN
MOV SE BUT MODEL GUIDANCE DOES NOT AGREE. WEBCAM
SHOWS VA MOV SE TO JUST 500 M ABOVE SUMMIT OR
NEAR FL200. VA TO FL270 FCST TO CONT TO MOV IN A
W-LY DIR THRU T+18 HRS. ...KIBLER

NXT ADVISORY: WILL BE ISSUED BY 20231108/2030Z