VA ADVISORY
DTG: 20210528/0856Z
VAAC: TOULOUSE
VOLCANO: NYIRAGONGO 223030
PSN: S0131 E02915
AREA: AFRICA (CENTRAL)
SUMMIT ELEV: 3470M
ADVISORY NR: 2021/26
INFO SOURCE: SAT IMAGERY, OVG VONA
AVIATION COLOUR CODE: RED
ERUPTION DETAILS:ERUPTION AT 20210522/1630Z VOLCANIC ACTIVITY IS DECREASING
OBS VA DTG: 28/0900Z
OBS VA CLD: SFC/FL200 S0127 E02845 - S0130 E02942 - S0251 E02945 - S0239 E02854 - S0127 E02845 MOV S 10KT
FCST VA CLD +6 HR: 28/1500Z SFC/FL200 S0118 E02809 - S0127 E02927 - S0251 E03000 - S0315 E02854 - S0118 E02809 
FCST VA CLD +12 HR: 28/2100Z SFC/FL200 S0118 E02809 - S0127 E02927 - S0251 E03000 - S0315 E02854 - S0118 E02809 
FCST VA CLD +18 HR: 29/0300Z SFC/FL200 S0118 E02809 - S0127 E02927 - S0251 E03000 - S0315 E02854 - S0118 E02809 
RMK:  GROUND OBSERVATIONS STILL REPORT VOLCANIC ASH OVER GOMA. ASH CLOUD PARTLY DETECTED BY SATELLITE DATA SOUTH OF THE VOLCANO.
NXT ADVISORY: NO LATER THAN 20210528/1500Z=