FVXX20 KNES 041356
VA ADVISORY
DTG: 20130804/1356Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 1401-09
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2013/221

INFO SOURCE: MEXICO CITY MWO. NAM WINDS.
RADIOSONDE. VOLCANO WEB CAMERA. 

ERUPTION DETAILS: MEXICO CITY MWO RPRTS EMISSION
OF CONTINUOUS ASH TO EST FL200 MOV W ARND 10-15KT.

OBS VA DTG: 04/1315Z

OBS VA CLD: SFC/FL200 N1907 W09855 - N1903 W09837
- N1859 W09838 - N1858 W09855 - N1907 W09855 MOV
W 10-15KT 

FCST VA CLD +6HR: 04/1930Z SFC/FL200 N1925 W10004
- N1904 W09837 - N1859 W09837 - N1857 W10005 -
N1925 W10004 

FCST VA CLD +12HR: 05/0130Z SFC/FL200 N1947
W10117 - N1905 W09837 - N1859 W09837 - N1855
W10120 - N1947 W10117 

FCST VA CLD +18HR: 05/0730Z 

RMK: FIRST VIS IMAGERY HAS SHORT FANNING PLUME
EXTND 32 KM OR 17NM W-WNW FROM SUMMIT. WEBCAM
SHOWS HGT TO EST FL200. EMISSION HAS BEEN MOD ASH
RICH AND CONTINUOUS SINCE 1215Z.  FCST WINDS KEEP
VA S MMMX. 18HR DEPENDS ON DISP OR DETACH. 
...SWANSON

NXT ADVISORY: WILL BE ISSUED BY 20130804/2000Z