FVXX22 KNES 231635
VA ADVISORY
DTG: 20250423/1635Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17342 FT (5286 M)

ADVISORY NR: 2025/166

INFO SOURCE: GOES-19. VONA. WEBCAM. NWP MODELS. 

ERUPTION DETAILS: ONGOING SIG VA EMS

OBS VA DTG: 23/1600Z

OBS VA CLD: SFC/FL240 S0152 W07828 - S0159 W07820
- S0201 W07820 - S0158 W07832 - S0152 W07828 MOV
NW 15KT SFC/FL300 S0144 W07837 - S0145 W07836 -
S0147 W07836 - S0150 W07844 - S0158 W07849 -
S0158 W07852 - S0155 W07852 - S0149 W07849 -
S0146 W07847 - S0144 W07837 MOV NW 10KT 

FCST VA CLD +6HR: 23/2200Z SFC/FL240 S0146 W07835
- S0159 W07819 - S0201 W07820 - S0156 W07840 -
S0146 W07835 SFC/FL300 S0120 W07859 - S0123
W07856 - S0125 W07902 - S0128 W07907 - S0132
W07913 - S0143 W07922 - S0138 W07922 - S0128
W07916 - S0124 W07910 - S0120 W07859 

FCST VA CLD +12HR: 24/0400Z SFC/FL240 S0150
W07839 - S0158 W07820 - S0201 W07820 - S0202
W07841 - S0150 W07839 SFC/FL300 S0059 W07917 -
S0104 W07925 - S0107 W07934 - S0113 W07942 -
S0119 W07950 - S0126 W07958 - S0122 W07956 -
S0115 W07947 - S0107 W07939 - S0102 W07931 -
S0059 W07921 - S0059 W07917 

FCST VA CLD +18HR: 24/1000Z SFC/FL240 S0146
W07837 - S0159 W07819 - S0201 W07820 - S0159
W07840 - S0146 W07837 SFC/FL300 NO VA EXP

RMK: VA EMS AT FL240 NOT OBSD IN STLT IMG DUE TO
MET CLDS BUT VA EMS LIKELY OBSCD. LTLCG IN FCST
THRU T+18 HRS. DETATCHED VA CLD AT FL300 OBSD IN
STLT IMG MOVG APPRX 25 NM SW FM SUMMIT. MVMT AND
HGT BASED ON VONA STLT OBS WEBCAM AND NWP MDLS.
...BERTALAN

NXT ADVISORY: WILL BE ISSUED BY 20250423/2230Z