FVXX20 KNES 041542
VA ADVISORY
DTG: 20130704/1542Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 1401-09
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426M)

ADVISORY NR: 2013/175

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

ERUPTION DETAILS: CONTINUOUS EMISSION OF GASES
WITH VA OF VARIOUS AMOUNTS

OBS VA DTG: 04/1445Z

OBS VA CLD: SFC/FL270 N2056 W09849 - N2037 W09819
- N2004 W09813 - N1938 W09836 - N1859 W09838 -
N1921 W09901 - N1934 W09920 - N1946 W10005 -
N2011 W10010 - N2041 W09937 - N2056 W09849 MOV N
05-10KT 

FCST VA CLD +6HR: 04/2100Z SFC/FL270 N2147 W09837
- N2141 W09741 - N2026 W09806 - N1944 W09834 -
N1900 W09840 - N1953 W09933 - N2006 W10008 -
N2049 W10016 - N2132 W09931 - N2147 W09837 

FCST VA CLD +12HR: 05/0300Z SFC/FL270 N2220
W09747 - N2219 W09709 - N1955 W09833 - N1901
W09840 - N2004 W09926 - N2051 W10000 - N2138
W09950 - N2220 W09747 

FCST VA CLD +18HR: 05/0900Z NO FCST AVBL

RMK: IN CAMERA EMISSION AT SUMMIT CHANGED TO
MOSTLY GASES ARND 12Z BUT FCST KEEPS VA CLD
ATCHD. VA SEEN IN VIS AND MULTI SAT IMAGERY. ONLY
OUT 12HR FCST TO SEE HOW VERIFY. WEATHER MAY DISP
VA FASTER. MMMX RPTS VA IN VCNTY. FIRES ALSO
MAKING HAZE.  ...SWANSON

NXT ADVISORY: WILL BE ISSUED BY 20130704/2145Z
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