FVXX20 KNES 210126
VA ADVISORY
DTG: 20240721/0126Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17342 FT (5286 M)

ADVISORY NR: 2024/336

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

ERUPTION DETAILS: CONS VA EMS.

OBS VA DTG: 21/0040Z

OBS VA CLD: SFC/FL200 S0153 W07852 - S0159 W07820
- S0202 W07820 - S0249 W08005 - S0226 W08002 -
S0153 W07852 MOV W 35KT SFC/FL220 S0140 W07834 -
S0200 W07819 - S0201 W07820 - S0147 W07841 -
S0140 W07834 MOV NW 10KT 

FCST VA CLD +6HR: 21/0630Z SFC/FL200 S0135 W08008
- S0159 W07819 - S0202 W07819 - S0206 W08014 -
S0135 W08008 SFC/FL220 S0134 W07834 - S0159
W07819 - S0202 W07820 - S0143 W07846 - S0134
W07834 

FCST VA CLD +12HR: 21/1230Z SFC/FL200 S0138
W08010 - S0200 W07819 - S0202 W07819 - S0213
W08014 - S0138 W08010 SFC/FL220 NO VA EXP

FCST VA CLD +18HR: 21/1830Z SFC/FL200 S0136
W08011 - S0200 W07820 - S0202 W07819 - S0213
W08015 - S0136 W08011 

RMK: VA WAS MOVG SW-WSW UNTIL WSHFT OVER PAST 1-2
HRS HAS VA NOW MOVG W-WNW. VA ALSO STILL MOVG NW
SINCE PREV ADVY. WEBCAM OBSCD. NWP MDLS NOT FCSTG
OBSD WELL SO FCST BASED ON PERSISTENCE WITH LOW
CONFDC. ...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20240721/0730Z