FVXX20 KNES 180927
VA ADVISORY
DTG: 20210418/0927Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/381

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

ERUPTION DETAILS: ONGOING VA EMS

OBS VA DTG: 18/0850Z

OBS VA CLD: SFC/FL230 S0153 W07850 - S0159 W07819
- S0202 W07820 - S0204 W07852 - S0153 W07850 MOV
W 10KT SFC/FL230 S0152 W08012 - S0156 W07947 -
S0218 W07955 - S0216 W08013 - S0152 W08012 MOV W
10KT 

FCST VA CLD +6HR: 18/1500Z SFC/FL230 S0143 W07914 -
S0201 W07819 - S0201 W07820 - S0159 W07916 -
S0143 W07914 

FCST VA CLD +12HR: 18/2100Z SFC/FL230 S0134
W07913 - S0200 W07817 - S0201 W07819 - S0149
W07915 - S0134 W07913 

FCST VA CLD +18HR: 19/0300Z NO VA EXP

RMK: VA DETECTED ON STLT MOVG WNW OF SUMMIT. STG
DENSE VA PUFF NOTED IN LAST 30 MIN. MDL WINDS
FCST TO VEER A BIT NXT 12 HR. DETACHED THIN VA
AREA JUST W OF SEGU APRT SHUD DSIPT NXT 6 HR.
...KONON

NXT ADVISORY: WILL BE ISSUED BY 20210418/1530Z
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