A clearly visible "brown snow event" covering a 100 (km) 2 area in the central Canadian Arctic 63.5&deg;
(A clearly visible "brown snow event; covering; a 100 (km) 2 area in the central Canadian Arctic 63.5&deg)
A clearly visible "brown snow event
covering
a 100 (km) 2 area in the central Canadian Arctic 63.5&deg