VA ADVISORY
DTG: 20210526/2054Z
VAAC: TOULOUSE
VOLCANO: NYIRAGONGO 223030
PSN: S0131 E02915
AREA: AFRICA (CENTRAL)
SUMMIT ELEV: 3470M
ADVISORY NR: 2021/20
INFO SOURCE: SAT IMAGERY, OVG VONA
AVIATION COLOUR CODE: RED
ERUPTION DETAILS:ERUPTION AT 20210522/1630Z STRONG SEISMIC ACTIVITY
EST VA DTG: 26/2100Z
EST VA CLD: SFC/FL200 S0130 E02918 - S0303 E02936 - S0236 E02821 - S0057 E02806 - S0130 E02918 MOV SW 10KT
FCST VA CLD +6 HR: 27/0300Z SFC/FL200 S0127 E02918 - S0400 E03021 - S0327 E02815 - S0100 E02748 - S0127 E02918 
FCST VA CLD +12 HR: 27/0900Z SFC/FL200 S0127 E02918 - S0400 E03021 - S0327 E02815 - S0100 E02748 - S0127 E02918 
FCST VA CLD +18 HR: 27/1500Z SFC/FL200 S0127 E02918 - S0400 E03021 - S0327 E02815 - S0100 E02748 - S0127 E02918 
RMK:  GROUND OBSERVATIONS STILL REPORT VOLCANIC ASH IN THE ATMOSPHERE OVER GOMA. TOP VA CLOUD ESTIMATED AT 6000M. VA DIFFICULT TO IDENTIFY FROM SAT IMAGERY DUE TO CLOUD MASK.
NXT ADVISORY: NO LATER THAN 20210527/0300Z=