Severe thunderstorm warning from 4:23 PM Thursday until 5:15 PM Thursday.

The National Weather Service in Riverton has issued a severe thunderstorm warning for south central Natrona County in central Wyoming until 515 PM MDT.

At 4:23 PM MDT, a severe thunderstorm was located 11 miles southwest of Emigrant Gap, or 21 miles west of Casper, moving north at 10 mph. Hazard...Quarter size hail. Source: Radar indicated.

Impact: Damage to vehicles is expected. This severe thunderstorm will be near... Emigrant Gap around 4:55 PM MDT. Other locations impacted by this severe thunderstorm include Bessemer Bend.

Precautionary/preparedness actions: For your protection move to an interior room on the lowest floor of a building. Large hail and damaging winds and continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Very heavy rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.  Hail - 1.00in.  Wind - <50mph