Tag Archives: fog

859907_531877533576002_745863992_o 1422437_531877240242698_634285667_n erin

Once or twice a year, but almost never with the clear sky backdrop pictured here (last Friday), a temperature inversion phenomenon appears to fill Arizona’s Grand Canyon to the brim with fog – cool air trapped at the bottom of the canyon, held in place by a layer of warm air above, creating low level clouds.

(Video: Paul Lettieri. Pix: Erin Whittaker, Ben Mayberry)

colossal