VA ADVISORY
DTG: 20210527/0856Z
VAAC: TOULOUSE
VOLCANO: NYIRAGONGO 223030
PSN: S0131 E02915
AREA: AFRICA (CENTRAL)
SUMMIT ELEV: 3470M
ADVISORY NR: 2021/22
INFO SOURCE: SAT IMAGERY, OVG VONA
AVIATION COLOUR CODE: RED
ERUPTION DETAILS:ERUPTION AT 20210522/1630Z STRONG SEISMIC ACTIVITY ONGOING
OBS VA DTG: 27/0900Z
OBS VA CLD: SFC/FL200 S0124 E02930 - S0212 E02927 - S0200 E02836 - S0115 E02836 - S0124 E02930 MOV SW 5KT
FCST VA CLD +6 HR: 27/1500Z SFC/FL200 S0124 E02930 - S0309 E02936 - S0133 E02733 - S0054 E02751 - S0124 E02930 
FCST VA CLD +12 HR: 27/2100Z SFC/FL200 S0124 E02930 - S0312 E02936 - S0133 E02733 - S0054 E02751 - S0124 E02930 
FCST VA CLD +18 HR: 28/0300Z SFC/FL200 S0124 E02930 - S0324 E02948 - S0133 E02733 - S0054 E02751 - S0124 E02930 
RMK:  GROUND OBSERVATIONS STILL REPORT VOLCANIC ASH IN THE ATMOSPHERE OVER GOMA. VA DIFFICULT TO IDENTIFY FROM SAT IMAGERY DUE TO CLOUD MASK, BUT VA CAN BE DETECTED IN SUNNY SPELL..
NXT ADVISORY: NO LATER THAN 20210527/1500Z=