FVXX20 KNES 291856
VA ADVISORY
DTG: 20210729/1856Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/738

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

ERUPTION DETAILS: NEW VA EMS

OBS VA DTG: 29/1820Z

OBS VA CLD: SFC/FL200 S0159 W07840 - S0200 W07820
- S0201 W07820 - S0202 W07840 - S0159 W07840 MOV
W 5KT 

FCST VA CLD +6HR: 30/0030Z SFC/FL200 S0200 W07820
- S0201 W07819 - S0206 W07838 - S0204 W07840 -
S0200 W07820 

FCST VA CLD +12HR: 30/0630Z SFC/FL200 S0200
W07820 - S0201 W07820 - S0212 W07837 - S0209
W07840 - S0200 W07820 

FCST VA CLD +18HR: 30/1230Z NO VA EXP

RMK: NARROW VA PLUME DETECTED ON STLT MOVG W OF
SUMMIT. WEBCAM SHOWS SUMMIT OBSC BY WX CLDS.
HOTSPOT NOTED ON ON SWIR. MDL WINDS AT T+0 HR DO
NOT AGREE WITH VA MVMNT. FL WINDS FCST TO BACK
BECMG MORE FM THE NE NXT 12 HR. ...KONON

NXT ADVISORY: WILL BE ISSUED BY 20210730/0100Z
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