Cloud-Base Fire Glow
The glow of a grass fire reflects off the cloud base in the last moments of twilight, as smoke ascends into a nascent thunderstorm's updraft region. Lightning strikes from a developing squall line set several big grass fires in a virtual tinderbox in northern Oklahoma. The area had gone several weeks with scant rainfall--despite rains to the north and south--portending a blistering August and September when flames erupted all across the Sooner State.
3 NNE Vining OK (20 Jun 0) Looking NNW.