FVXX21 KNES 211255
VA ADVISORY
DTG: 20120421/1254Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 1401-09
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2012/037

INFO SOURCE: MEXICO CITY MWO. GOES-13. GFS WINDS.
NAM WINDS. HYSPLIT. VOLCANO WEB CAMERA. PILOT
REPORT. 

ERUPTION DETAILS: ONGOING EMISSIONS OF VA AND
GASES.

OBS VA DTG: 21/1145Z

OBS VA CLD: SFC/FL230 20NM WID LINE BTN N1901
W09835 - N1821 W09631. MOV SE 15-20KT SFC/FL250
N1830 W08647 - N1709 W08649 - N1710 W08735 -
N1735 W08755 - N1816 W08742 - N1828 W08707 -
N1830 W08647 MOV E 15-20KT 

FCST VA CLD +6HR: 21/1800Z SFC/FL230 20NM WID
LINE BTN N1901 W09838 - N1813 W09519. SFC/FL250
NO ASH EXP

FCST VA CLD +12HR: 22/0000Z SFC/FL230 20NM WID
LINE BTN N1903 W09838 - N1802 W09434. NO ASH EXP

FCST VA CLD +18HR: 22/0600Z SFC/FL230 20NM WID
LINE BTN N1903 W09837 - N1759 W09430. NO ASH EXP

RMK: VA AND GASES E OF BELIZE IS NOW ESTIMATED TO
FL250 BASED ON MODEL DATA AND CURRENT SPEED IN
STLT IMAGERY.  PIREP OF VA/GASES NR 20.5N/89.5W
IS NOT SEEN IN STLT IMAGERY. ...KIBLER

NXT ADVISORY: WILL BE ISSUED BY 20120421/1900Z

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