VA ADVISORY
DTG: 20210525/1152Z
VAAC: TOULOUSE
VOLCANO: NYIRAGONGO 223030
PSN: S0131 E02915
AREA: AFRICA (CENTRAL)
SUMMIT ELEV: 3470M
ADVISORY NR: 2021/14
INFO SOURCE: SAT IMAGERY, OVG VONA
AVIATION COLOUR CODE: RED
ERUPTION DETAILS:ERUPTION AT 20210522/1630Z ERUPTION STILL IN PROGRESS
OBS VA DTG: 25/1200Z
OBS VA CLD: SFC/FL200 S0124 E02909 - S0127 E02942 - S0218 E02951 - S0215 E02906 - S0124 E02909 MOV S 10KT
FCST VA CLD +6 HR: 25/1800Z SFC/FL200 S0124 E02909 - S0127 E02942 - S0227 E03006 - S0245 E02903 - S0124 E02909 
FCST VA CLD +12 HR: 26/0000Z SFC/FL200 S0124 E02909 - S0127 E02951 - S0315 E03021 - S0336 E02903 - S0124 E02909 
FCST VA CLD +18 HR: 26/0600Z SFC/FL200 S0124 E02909 - S0127 E02951 - S0315 E03021 - S0336 E02903 - S0124 E02909 
RMK:  VA CLOUD CLEARLY DETECTABLE ON SAT IMAGERY, TOP ESTIMATED AT 6000M . GROUND OBSERVATIONS REPORT VOLCANIC ASH IN THE GOMA CITY ATMSOPHERE. DUE TO LOW WINDS, MINOR CHANGE IS EXPECTED REGARDING THE CONTAMINATED AREA EXTEND.
NXT ADVISORY: NO LATER THAN 20210525/1800Z=