VA ADVISORY
DTG: 20210527/1458Z
VAAC: TOULOUSE
VOLCANO: NYIRAGONGO 223030
PSN: S0131 E02915
AREA: AFRICA (CENTRAL)
SUMMIT ELEV: 3470M
ADVISORY NR: 2021/23
INFO SOURCE: SAT IMAGERY, OVG VONA
AVIATION COLOUR CODE: RED
ERUPTION DETAILS:ERUPTION AT 20210522/1630Z ACTIVITY DECREASING
OBS VA DTG: 27/1500Z
OBS VA CLD: SFC/FL200 S0130 E02915 - S0233 E02924 - S0121 E02818 - S0130 E02915 MOV SW 5KT
FCST VA CLD +6 HR: 27/2100Z SFC/FL200 S0127 E02915 - S0242 E02939 - S0133 E02733 - S0054 E02751 - S0127 E02915 
FCST VA CLD +12 HR: 28/0300Z SFC/FL200 S0127 E02915 - S0242 E02939 - S0133 E02733 - S0054 E02751 - S0127 E02915 
FCST VA CLD +18 HR: 28/0900Z SFC/FL200 S0127 E02915 - S0242 E02939 - S0133 E02733 - S0054 E02751 - S0127 E02915 
RMK:  GROUND OBSERVATIONS STILL REPORT VOLCANIC ASH IN THE ATMOSPHERE OVER GOMA. VA IDENTIFIABLE BY SATELLITE TOO.
NXT ADVISORY: NO LATER THAN 20210527/2100Z=