FVXX23 KNES 270821 WSI DDS:270823
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 |