FVXX21 KNES 111701
VA ADVISORY
DTG: 20220911/1701Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837
AREA: MEXICO
SUMMIT ELEV: 17802 FT (5426 M)
ADVISORY NR: 2022/139
INFO SOURCE: GOES-16. WEBCAM. NWP MODELS.
RADIOSONDE.
ERUPTION DETAILS: VA AND GAS EMS SEEN IN SAT AND WEBCAM.
OBS VA DTG: 11/1641Z
OBS VA CLD: SFC/FL185 N1907 W09843 - N1902 W09837
- N1901 W09838 - N1903 W09846 - N1907 W09843 MOV
NW 10KT SFC/FL200 N1902 W09852 - N1902 W09837 -
N1900 W09837 - N1858 W09850 - N1902 W09852 MOV W
20KT
FCST VA CLD +6HR: 11/2230Z SFC/FL185 N1908 W09846
- N1902 W09837 - N1900 W09838 - N1903 W09848 -
N1908 W09846 SFC/FL200 N1902 W09837 - N1900
W09836 - N1855 W09900 - N1901 W09903 - N1902
W09837
FCST VA CLD +12HR: 12/0430Z SFC/FL185 NO VA EXP SFC/FL200
N1902 W09837 - N1900 W09837 - N1855 W09900 -
N1901 W09903 - N1902 W09837
FCST VA CLD +18HR: 12/1030Z NO VA EXP
RMK: VA AND GAS EMS SEEN IN SAT AND WEBCAM.
HIGHER FL EM MOV W/WSW AND AT HIGHER SPEED WITH
LOWER FL EM SLOWLY MOV TWD THE NW. THE FULL VIEW
OF ACT IS DIFFICULT TO DETERMINE DUE TO MET CLDS.
GUIDANCE SHOWS A CONT NW MOV TO FL185 THRU T+6
HRS AND WSW TO FL200 THRU T+12 HRS. MOV AND HGT
BASED ON SAT AND NWP/12Z SOUNDING. ...KIBLER
NXT ADVISORY: WILL BE ISSUED BY 20220911/2300Z
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