If it weren’t Arizona, one might think they were looking ... their updraft can feed into the formation of a fair-weather cumulus cloud above. In exceptional circumstances, the dust devil can ...

Today: NWS officials said despite cloud cover they described as "abundant," high reached the upper 80s and lower 90s across the lower Arizona desert. In Phoenix, a high of 93°F was recorded.

ULA's Atlas V launch attempt for Amazon's Project Kuiper satellites was scrubbed due to persistent cumulus clouds and strong winds. ULA is working with Space Force officials to schedule a second ...

Temperatures in metro Phoenix chilled to 93° on Sunday after three days of record heat. Wind gusts throughout the state could cause some unexpected hazards on the roadways. A Red Flag Warning is ...

Update 8:37 p.m.: As tonight's unexpired launch window continues ticking away, ULA officials provided insight as to why cumulus clouds pose a threat to ascending rockets. "The cumulus cloud rule ...

They get its name how it forms during fair weather. They form in light wind conditions often along dark flat bases of cumulus clouds but instead of tornadic waterspouts forming from the cloud and ...