FVXX21 KNES 180400
VA ADVISORY
DTG: 20210418/0400Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2021/368

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

ERUPTION DETAILS: ONGOING VA EMS

OBS VA DTG: 18/0336Z

OBS VA CLD: SFC/FL200 N1910 W09828 - N1904 W09823
- N1900 W09837 - N1902 W09838 - N1910 W09828 MOV
NW 5KT 

FCST VA CLD +6HR: 18/0930Z SFC/FL200 N1925 W09809
- N1913 W09801 - N1900 W09835 - N1902 W09837 -
N1925 W09809 

FCST VA CLD +12HR: 18/1530Z NO VA EXP

FCST VA CLD +18HR: 18/2130Z NO VA EXP

RMK: NEW VA EMS DETECTED ON STLT MOVG NW OF
SUMMIT.  WEBCAM CONFIRMS VA EMS. NO CHG FCST TO
FL WINDS THRU T+12 HR. ...KONON

NXT ADVISORY: WILL BE ISSUED BY 20210418/1000Z