Approaching thunderstorm with lead gust front.Rain-cooled air from the storm moves out ahead of the storm.It ploughs under the warm moist air forming a flatshelf cloud.
10/22/2018 8:33:44 AM
Date: 1982
Credit: NOAA Photo Library, NOAA Central Library; OAR/ERL/National Severe Storms Laboratory (NSSL)
Location: New Mexico, Brookhaven
Subject: Sky Scenes
Subject: Clouds