FVXX21 KNES 210044
VA ADVISORY
DTG: 20210421/0044Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2021/383

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

ERUPTION DETAILS: RESIUDAL VA FM EARLIER EMS

OBS VA DTG: 21/0031Z

OBS VA CLD: SFC/FL200 N1908 W09738 - N1901 W09659
- N1846 W09659 - N1844 W09815 - N1858 W09814 -
N1908 W09738 MOV E 25KT 

FCST VA CLD +6HR: 21/0630Z SFC/FL200 N1901 W09432
- N1843 W09444 - N1845 W09513 - N1900 W09508 -
N1901 W09432 

FCST VA CLD +12HR: 21/1230Z NO VA EXP

FCST VA CLD +18HR: 21/1830Z NO VA EXP

RMK: RESIDUAL VA STICKING TOGETHER LONGER THAN
FCSTD WITH THE LEADING EDGE OVER 80 NM FM SUMMIT.
WESTERN EDGE OF THE EMISSION IS DSIPTG WHILE MOV
ESE WITH E MOV EDGE HOLDING TOGETHER LONGER.
MODEL GUIDANCE INDICATES A CONT E-LY MOV THRU T+6
HRS. ...KIBLER

NXT ADVISORY: WILL BE ISSUED BY 20210421/0645Z