FVXX21 KNES 311121
VA ADVISORY
DTG: 20211231/1121Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/1143

INFO SOURCE: GOES-16. NWP MODELS. GEOPHYSICAL
INST. 

ERUPTION DETAILS: VA CLDS OBSD IN SAT

OBS VA DTG: 31/1050Z

OBS VA CLD: SFC/FL190 S0200 W07820 - S0201 W07758
- S0204 W07758 - S0201 W07820 - S0200 W07820 MOV
E 10KT SFC/FL210 S0141 W07807 - S0147 W07806 -
S0158 W07814 - S0201 W07821 - S0159 W07823 -
S0150 W07820 - S0141 W07807 MOV NE 15KT 

FCST VA CLD +6HR: 31/1700Z SFC/FL190 S0159 W07820
- S0201 W07758 - S0204 W07758 - S0201 W07820 -
S0159 W07820 SFC/FL210 S0138 W07810 - S0144
W07801 - S0202 W07821 - S0159 W07823 - S0138
W07810 

FCST VA CLD +12HR: 31/2300Z SFC/FL190 NO VA
EXPSFC/FL210 NO VA EXP

FCST VA CLD +18HR: 01/0500Z SFC/FL190 NO VA
EXPSFC/FL210 NO VA EXP

RMK: VA CLDS OBSD IN SAT MOVG IN TWO DIR, FL190
LGT VA CLD EXT APPX  20NM E FM SUMMIT, AND FL210
HEAVY VA CLD EXT APPX 25 NM NE FM SUMMIT. INSTANT
RPRT RECEIVED AND UPPER LEVEL VA FL BASED ON RPRT
AND LOWER LEVEL FL BASED ON PREV ADVY AND MDL
GUIDANCE. NWP MDL FCST THRU T+6HRS.  ...ZENG

NXT ADVISORY: WILL BE ISSUED BY 20211231/1715Z
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