VA ADVISORY
DTG: 20210528/0250Z
VAAC: TOULOUSE
VOLCANO: NYIRAGONGO 223030
PSN: S0131 E02915
AREA: AFRICA (CENTRAL)
SUMMIT ELEV: 3470M
ADVISORY NR: 2021/25
INFO SOURCE: SAT IMAGERY, OVG GOMA
AVIATION COLOUR CODE: RED
ERUPTION DETAILS:ERUPTION AT 20210522/1630Z VOLCANIC ACTIVITY IS DECREASING
OBS VA DTG: 28/0300Z
OBS VA CLD: SFC/FL200 S0109 E02845 - S0145 E02942 - S0221 E02945 - S0115 E02800 - S0109 E02845 MOV SW 10KT
FCST VA CLD +6 HR: 28/0900Z SFC/FL200 S0054 E02824 - S0151 E02945 - S0309 E03012 - S0312 E02951 - S0039 E02712 - S0054 E02824 
FCST VA CLD +12 HR: 28/1500Z SFC/FL200 S0054 E02824 - S0151 E02945 - S0309 E03012 - S0312 E02951 - S0039 E02712 - S0054 E02824 
FCST VA CLD +18 HR: 28/2100Z SFC/FL200 S0054 E02824 - S0151 E02945 - S0309 E03012 - S0312 E02951 - S0039 E02712 - S0054 E02824 
RMK:  GROUND OBSERVATIONS STILL REPORT VOLCANIC ASH IN THE ATMOSPHERE OVER GOMA. VOLCANIC ASH IS DIFFICULT TO IDENTIFY FROM SAT IMAGERY DUE TO CLOUD MASK.
NXT ADVISORY: NO LATER THAN 20210528/0900Z=