FVXX21 KNES 140840
VA ADVISORY
DTG: 20210414/0840Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2021/357

INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. 

ERUPTION DETAILS: VA OBS TO FL190.

OBS VA DTG: 14/0831Z

OBS VA CLD: SFC/FL190 N1903 W09837 - N1837 W09825
- N1836 W09835 - N1903 W09838 - N1903 W09837 MOV
S 10KT 

FCST VA CLD +6HR: 14/1430Z SFC/FL190 N1903 W09838
- N1902 W09835 - N1830 W09838 - N1833 W09850 -
N1903 W09838 

FCST VA CLD +12HR: 14/2030Z NO VA EXP

FCST VA CLD +18HR: 15/0230Z NO VA EXP

RMK: EARLIER VA TO FL210 DSIPTD. NEW VA EM OBS
EXT S TO 25 NM FM SUMMIT. OBS VA FL BASED ON NWP
MDLS AND WEBCAM SHOWING EMS NEAR SUMMIT LEVEL.
EXP LGT FL WINDS AT T+6 HRS LOWER FCST
CONFIDENCE. ...CLARK

NXT ADVISORY: WILL BE ISSUED BY 20210414/1445Z