FVXX20 KNES 171946
VA ADVISORY
DTG: 20130817/1946Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL 1401-09
PSN: N1901 W09837
AREA: MEXICO
SUMMIT ELEV: 17802 FT (5426 M)
ADVISORY NR: 2013/237
INFO SOURCE: MEXICO CITY MWO. GOES-13. GFS WINDS.
VOLCANO WEB CAMERA. CENAPRED.
ERUPTION DETAILS: CONTINUOUS PLUME OF GASES AND
LIGHT ASH
OBS VA DTG: 17/1845Z
OBS VA CLD: SFC/FL250 N1904 W09836 - N1841 W09858
- N1825 W09919 - N1849 W09935 - N1904 W09908 -
N1904 W09836 MOV SW 20KT
FCST VA CLD +6HR: 18/0100Z SFC/FL250 N1911 W09909
- N1905 W09836 - N1852 W09840 - N1812 W09923 -
N1721 W10108 - N1747 W10130 - N1829 W10036 -
N1911 W09909
FCST VA CLD +12HR: 18/0700Z SFC/FL250 N1906
W09837 - N1855 W09841 - N1828 W09913 - N1716
W10058 - N1737 W10133 - N1807 W10104 - N1857
W09925 - N1906 W09837
FCST VA CLD +18HR: 18/1300Z SFC/FL250 N1905
W09837 - N1824 W09911 - N1713 W10044 - N1756
W10109 - N1856 W09924 - N1905 W09837
RMK: UPDATE DUE TO PLUME SPEED AND FANNING AS
WINDS SHEAR DOWNWIND. ASH DENSITY LESS WITH TIME.
EDGES DISPG BUT SOURCE CONSTANT. ...SWANSON
NXT ADVISORY: WILL BE ISSUED BY 20130818/0145Z
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