FVXX21 KNES 161948
VA ADVISORY
DTG: 20120416/1946Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 1401-09
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2012/016

INFO SOURCE: MEXICO CITY MWO. GOES-13. NAM WINDS.
RADIOSONDE. VOLCANO WEB CAMERA. CENAPRED. 

ERUPTION DETAILS: ONGOING STRONG EMISSION OF
GASES WITH MAYBE OCNL SMALL ASH EMISSIONS

OBS VA DTG: 16/1915Z

OBS VA CLD: SFC/FL250 N1930 W09722 - N1859 W09709
- N1902 W09837 - N1926 W09804 - N1930 W09722 MOV
E 20-30KT 

FCST VA CLD +6HR: 17/0130Z SFC/FL250 N1936 W09704
- N1856 W09643 - N1852 W09753 - N1902 W09838 -
N1927 W09801 - N1936 W09704 

FCST VA CLD +12HR: 17/0730Z SFC/FL250 NO ASH EXP

FCST VA CLD +18HR: 17/1330Z NO ASH EXP

RMK: FOR SEVERAL DAYS A PLUME OF STRONG SO2
CONTENT HAS BEEN MOV E FROM SUMMIT AND
DISSIPATING ARND 80NM DOWNWIND. SOME OCNL SMALL
AMOUNTS OF ASH ARE PSBL BUT NOT DETECTED IN
IMAGERY. IF VA REPORTED WILL UPDATE.  ...SWANSON

NXT ADVISORY: NO FURTHER ADVISORIES

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