FVXX20 KNES 211341
VA ADVISORY
DTG: 20200221/1341Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2020/174

INFO SOURCE: GOES-EAST. WEB CAM. NWP MODELS.
VOLCAT. RADIOSONDE. 

ERUPTION DETAILS: NEW VA EM SEEN ON WEB CAM ARND 1305Z

OBS VA DTG: 21/1331Z

OBS VA CLD: SFC/FL190 N1901 W09838 - N1900 W09837
- N1854 W09841 - N1858 W09847 - N1901 W09838 MOV
SW 5KT SFC/FL240 N1902 W09837 - N1900 W09837 -
N1858 W09840 - N1902 W09841 - N1902 W09837 MOV SW
5KT 

FCST VA CLD +6HR: 21/1930Z SFC/FL190 N1902 W09837
- N1859 W09835 - N1854 W09849 - N1900 W09852 -
N1902 W09837 SFC/FL240 NO ASH EXP

FCST VA CLD +12HR: 22/0130Z NO ASH EXP

FCST VA CLD +18HR: 22/0730Z NO ASH EXP

RMK: LARGE VA EM SEEN ON WEB CAM AND CONFIRMED IN
SAT MOV VERY SLOW WSW AND MOST DSIPTG NEAR
SUMMIT. LOWER HEIGHT LGT VA PLUME MOVG SLOWLY SW
AND EXTDG ARND 10 NM FM SUMMIT. CONFIDENCE IN
MODEL GUIDANCE IS LOW DUE TO VERY LGT AND VAR
WINDS. ...KIBLER

NXT ADVISORY: WILL BE ISSUED BY 20200221/1945Z
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