WVKN31 HKJK 240830
HKNA SIGMET 02 VALID 240830/241230 HKJK-
VOLCANO: NYIRAGONGO 223030
PSN: S0131 E02915
AREA: AFRICA (CENTRAL)
SUMMIT ELEV: 3470M
ADVISORY NR: 2021/8
INFO SOURCE: SATELLITE DATA, OVG DATA
AVIATION COLOUR CODE: UNKNOWN
ERUPTION DETAILS:ERUPTION AT 20210522/1800Z NO SIGNIFICANT ERUPTION
DETECTED
OBS VA DTG: 24/0900Z
OBS VA CLD: SFC/FL200 S0130 E02918 - S0227 E02918 - S0206 E02824 -
S0124 E02854 - S0130 E02918 MOV SW 3KT
FCST VA CLD +6 HR: 24/1500Z SFC/FL200 S0133 E02921 - S0227 E02918 -
S0200 E02815 - S0118 E02854 - S0133 E02921
FCST VA CLD +12 HR: 24/2100Z NO VA EXP
FCST VA CLD +18 HR: 25/0300Z NO VA EXP
RMK:  FEW VA POSSIBLE IN THE VICINITY OF THE VOLCANO.
NXT ADVISORY: NO LATER THAN 20210524/1200Z=