FVXX20 KNES 150532
VA ADVISORY
DTG: 20130415/0532Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 1401-09
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2013/056

INFO SOURCE: GOES-13. GFS WINDS. VOLCANO WEB
CAMERA. CENAPRED. 

ERUPTION DETAILS: CONTINUOUS PLUME OF GASES AND
LGT ASH

OBS VA DTG: 15/0445Z

OBS VA CLD: FL/200 N1904 W09805 - N1828 W09651 -
N1812 W09702 - N1856 W09834 - N1904 W09836 -
N1904 W09805 MOV E-SE 30KT 

FCST VA CLD +6HR: 15/1100Z FL/ N1906 W09705 -
N1841 W09659 - N1840 W09801 - N1855 W09835 -
N1904 W09836 - N1906 W09705 

FCST VA CLD +12HR: 15/1700Z FL/200 N1917 W09710 -
N1840 W09657 - N1850 W09835 - N1904 W09837 -
N1917 W09710 

FCST VA CLD +18HR: 15/2300Z FL/200 N1905 W09704 -
N1840 W09659 - N1847 W09836 - N1903 W09836 -
N1905 W09704 

RMK: PLUME IS NOW FAINTER IN MULTISPECTRAL
IMAGERY AND WEBCAM ALSO SHOWS LESS ENERGY SO HGT
LOWERED. PLUME MAY ALSO BE MORE WATERVAPOR THEN
ASH OR SO2 DUE TO WEAK IMAGERY. WIND FCST SHIFTS
FROM SE TO E.  ...SWANSON

NXT ADVISORY: WILL BE ISSUED BY 20130415/1130Z