FVXX20 KNES 040935
VA ADVISORY
DTG: 20130704/0935Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 1401-09
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2013/174

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

ERUPTION DETAILS: CONTINUOUS VA EMISSIONS SINCE
03/2300Z

OBS VA DTG: 04/0915Z

OBS VA CLD: SFC/FL250 N1959 W09917 - N1901 W09832
- N1859 W09840 - N1917 W09912 - N1908 W10001 -
N1947 W10006 - N1959 W09917 MOV NW 3-7KT 

FCST VA CLD +6HR: 04/1530Z SFC/FL250 N2019 W09856
- N1858 W09831 - N1858 W09843 - N1926 W09917 -
N1930 W10006 - N2010 W10019 - N2019 W09856 

FCST VA CLD +12HR: 04/2130Z SFC/FL250 N2059
W09926 - N2052 W09852 - N1858 W09831 - N1858
W09843 - N1914 W09927 - N1956 W09929 - N2035
W10002 - N2059 W09926 

FCST VA CLD +18HR: 05/0330Z SFC/FL250 N1959
W09842 - N1857 W09829 - N1856 W09842 - N1915
W09926 - N1955 W09929 - N1959 W09842 

RMK: VA EMISSIONS CONT WITH TOPS TO AROUND FL250.
WINDS HAVE SHIFTED WITH VA MVG NW ATTM.  HIGHEST
DENSITY EXTENDS NW 35 NMI.   LONGER TERM FCST IS
LOW CONFIDENCE THE FURTHER FROM THE SOURCE WHERE
WET DEPOSITION MAY MIX THE VA OUT BY +12HR FCST
TIME. ...GALLINA

NXT ADVISORY: WILL BE ISSUED BY 20130704/1530Z