FVXX21 KNES 211402
VA ADVISORY
DTG: 20210221/1402Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2021/204

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

ERUPTION DETAILS: NEW VA EM ARND 21/1315Z.

OBS VA DTG: 21/1341Z

OBS VA CLD: SFC/FL210 N1903 W09825 - N1859 
W09825 - N1900 W09837 - N1902 W09838 - N1903 W09825
MOV E 10KT SFC/FL220 N1901 W09837 - N1855 W09829
- N1853 W09835 - N1901 W09838 - N1901 W09837 MOV SE 
10KT

FCST VA CLD +6HR: 21/1930Z SFC/FL210 N1904 W09819 - 
N1902 W09801 - N1852 W09801 - N1859 W09838 - N1902 
W09838 - N1904 W09819 SFC/FL220 NO VA EXP

FCST VA CLD +12HR: 22/0130Z SFC/FL210 N1902
W09837 - N1856 W09801 - N1847 W09801 - N1859
W09838 - N1902 W09837 

FCST VA CLD +18HR: 22/0730Z NO VA EXP

RMK: NEW VA EMS ARND 1315Z MOVG SE TO FL220 AND
DSIPTG QUICKLY AND MOVG E-LY TO FL210 AND MORE
DENSER. VA SEEN IN WEB CAM. MODEL GUIDANCE SHOWS
A CONT E-LY MOV THRU T+6 HRS WITH A MORE SE-LY BY
T+12 HRS TO FL210. MOVG BASED ON STLT NWP AND
12Z SOUNDING.  ...KIBLER

NXT ADVISORY: WILL BE ISSUED BY 20210221/2000Z
Full Size Graphic


-