FVXX22 KNES 151249
VA ADVISORY
DTG: 20210815/1249Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2021/511

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

ERUPTION DETAILS: VA EMS CONT

OBS VA DTG: 15/1236Z

OBS VA CLD: SFC/FL200 N1902 W09849 - N1902 W09837
- N1900 W09837 - N1858 W09850 - N1902 W09849 MOV
W 5KT 

FCST VA CLD +6HR: 15/1830Z SFC/FL200 N1901 W09837
- N1900 W09837 - N1850 W09852 - N1856 W09855 -
N1901 W09837 

FCST VA CLD +12HR: 16/0030Z NO VA EXP

FCST VA CLD +18HR: 16/0630Z NO VA EXP

RMK: OCNL VA EMS SEEN ON WEBCAM AND DETECTED ON
STLT MOVG W OF SUMMIT. NWP WINDS ALOFT DO NOT
AGREE VA MVMNT RECENTLY. WINDS ALOFT FCST TO BACK
BECMG MORE FM THE ESE NXT 6 HR. ...KONON

NXT ADVISORY: WILL BE ISSUED BY 20210815/1845Z