FVXX20 KNES 310437
VA ADVISORY
DTG: 20210531/0437Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/529

INFO SOURCE: GOES-16. NWP MODELS. 

ERUPTION DETAILS: NEW VA ERUPTION

OBS VA DTG: 31/0410Z

OBS VA CLD: SFC/FL230 S0207 W08040 - S0207 W08014
- S0225 W08011 - S0220 W08040 - S0207 W08040 MOV
W 20KT SFC/FL260 S0158 W07909 - S0201 W07822 -
S0202 W07822 - S0228 W07902 - S0158 W07909 MOV SW
260KT 

FCST VA CLD +6HR: 31/1000Z SFC/FL230 NO VA
EXP SFC/FL260 S0201 W07821 - S0201 W07821 - S0234
W07859 - S0214 W07913 - S0201 W07821 

FCST VA CLD +12HR: 31/1600Z SFC/FL230 NO VA
EXP SFC/FL260 S0201 W07820 - S0202 W07821 - S0229
W07907 - S0208 W07916 - S0201 W07820 

FCST VA CLD +18HR: 31/2200Z SFC/FL230 NO VA
EXP SFC/FL260 NO VA EXP

RMK: NEW VA EM AT FL260 EXTENDING APPROX 50 NM SW FM SUMMIT AND VA NOT DETECTED 
EARLIER TO CLOUD BANDS THAT MASKED VA SIGNATURE. 
REMNANT VA AT FL230 FM PREVIOUS ADVISORY CENTERED APPROX 130 NMI W FM SUMMIT. 
VA CLD AT FL270 FM PREVIOUS ADVISORY DISPTD.  ...KIM

NXT ADVISORY: WILL BE ISSUED BY 20210531/1030Z
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