FVXX21 KNES 280653
VA ADVISORY
DTG: 20210428/0653Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SUMMIT ELEV: 17802 FT (5426 M)

ADVISORY NR: 2021/407

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

ERUPTION DETAILS: CONTG VA EMS.

OBS VA DTG: 28/0641Z

OBS VA CLD: SFC/FL190 N1902 W09838 - N1902 W09837
- N1846 W09837 - N1847 W09846 - N1902 W09838 MOV
S 10KT 

FCST VA CLD +6HR: 28/1230Z SFC/FL190 N1902 W09837
- N1901 W09836 - N1841 W09855 - N1852 W09903 -
N1902 W09837 

FCST VA CLD +12HR: 28/1830Z NO VA EXP

FCST VA CLD +18HR: 29/0030Z NO VA EXP

RMK: VA OBS EXT 15 NM SSW FM SUMMIT. OBS VA FL
BASED ON NWP MDLS AND VOLCAT ALERTS. FL MVMT FCST
TO TURN TO SW THRU T+6 HRS. FCST IS LOWER
CONFIDENCE DUE TO EXP LGT FL WINDS. ...CLARK

NXT ADVISORY: WILL BE ISSUED BY 20210428/1300Z