FVXX20 KNES 111123
VA ADVISORY
DTG: 20211211/1123Z
VAAC: WASHINGTON
VOLCANO: SANGAY 352090
PSN: S0200 W07820
AREA: ECUADOR
SUMMIT ELEV: 17159 FT (5230 M)
ADVISORY NR: 2021/1079
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: CONTG VA EMS.
OBS VA DTG: 11/1100Z
OBS VA CLD: SFC/FL210 S0149 W07812 - S0201 W07819
- S0200 W07820 - S0151 W07830 - S0149 W07812 MOV
N 5KT
FCST VA CLD +6HR: 11/1700Z SFC/FL210 S0159 W07820
- S0159 W07819 - S0213 W07811 - S0211 W07831 -
S0159 W07820
FCST VA CLD +12HR: 11/2300Z NO VA EXP
FCST VA CLD +18HR: 12/0500Z NO VA EXP
RMK: VA OBS DRIFTING N WITHIN 10 NM OF SUMMIT.
LOW CONFIDENCE IN OBS VA MVMT DUE TO LGT AND VRBL
WINDS. NWP MDLS FCST LGT AND VRBL WINDS TO CONT
THRU T+6, SO CONFIDENCE IN FCST IS LOWER. ...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20211211/1730Z
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