FVXX22 KNES 162138
VA ADVISORY
DTG: 20210816/2138Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2021/516

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

ERUPTION DETAILS: NEW LARGE VA EM

OBS VA DTG: 16/2110Z

OBS VA CLD: SFC/FL240 N1914 W09855 - N1913 W09837
- N1853 W09837 - N1853 W09855 - N1914 W09855 MOV
W 10KT 

FCST VA CLD +6HR: 17/0300Z SFC/FL240 N1929 W09907
- N1913 W09832 - N1852 W09832 - N1846 W09916 -
N1929 W09907 

FCST VA CLD +12HR: 17/0900Z SFC/FL240 N1922
W09840 - N1855 W09835 - N1832 W09909 - N1917
W09937 - N1922 W09840 

FCST VA CLD +18HR: 17/1500Z NO VA EXP

RMK: NEW LARGE VA EM OBS FM STLT DATA AND WEBCAM
AND 2107Z SIGMET RPRT MOVG W AT FL240. WINDS FCST
TO SHFT TO THE NW THEN SW THRU T+12. FL AND WINDS
FM SIGMET RPRT AND NWP ...MLEVINE

NXT ADVISORY: WILL BE ISSUED BY 20210817/0345Z