FVXX23 KNES 270821
VA ADVISORY
DTG: 20211227/0821Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SUMMIT ELEV: 11686 FT (3562 M)

ADVISORY NR: 2021/1180

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

ERUPTION DETAILS: INTMT VA EMS.

OBS VA DTG: 27/0740Z

OBS VA CLD: SFC/FL150 N0010 W07747 - S0004 W07740
- S0005 W07740 - N0007 W07752 - N0010 W07747 MOV
NW 10KT 

FCST VA CLD +6HR: 27/1330Z SFC/FL150 N0012 W07752
- S0004 W07739 - S0005 W07740 - N0006 W07757 -
N0012 W07752 

FCST VA CLD +12HR: 27/1930Z SFC/FL150 N0011
W07755 - S0004 W07738 - S0005 W07739 - N0004
W07759 - N0011 W07755 

FCST VA CLD +18HR: 28/0130Z SFC/FL150 N0010
W07756 - S0004 W07739 - S0006 W07739 - N0003
W07801 - N0010 W07756 

RMK: LKLY VA CLD OBSD OVR 15 NMI NW OF SUMMIT BFR
WX CLD FORMED OVER VA CLD AND SUMMIT. VA MOVMT
DOES NOT AGREE WITH NWP MDL FCSTS SO FCST CONFDC
IS MED. FCST BASED ON BLEND OF NWP MDLS AND
PERSISTENCE. ...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20211227/1415Z
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