FVXX20 KNES 190506
VA ADVISORY
DTG: 20210419/0506Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/387

INFO SOURCE: GOES-16. NWP MODELS. 

ERUPTION DETAILS: VA EMS CONT

OBS VA DTG: 19/0430Z

OBS VA CLD: SFC/FL200 S0159 W07819 - S0202 W07819
- S0209 W07923 - S0201 W07923 - S0159 W07819 MOV
W 10KT SFC/FL S0152 W08008 - S0158 W07944 - S0206
W07947 - S0205 W08018 - S0204 W08029 - S0200
W08034 - S0152 W08033 - S0152 W08008 MOV W 0KT 

FCST VA CLD +6HR: 19/1030Z SFC/FL200 S0159 W07819
- S0200 W07819 - S0211 W07955 - S0201 W07955 -
S0159 W07819 SFC/FL250 NO VA EXP

FCST VA CLD +12HR: 19/1630Z SFC/FL S0149 W07939 -
S0159 W07820 - S0201 W07820 - S0158 W07940 -
S0149 W07939 

FCST VA CLD +18HR: 19/2230Z NO VA EXP

RMK: NARROW VA PLUME DETECTED ON STLT APROX 65 NM
W OF SUMMIT MOVG W. DETACHED THINNING PLUME IN
SEGU AREA TO NR PAC CST SHUD DSIPT NXT FEW HR.
WINDS ALOFT FCST TO VEER SLIGHTLY BY T+12 HR.
...KONON

NXT ADVISORY: WILL BE ISSUED BY 20210419/1100Z