By National Weather Service in Cheyenne, WY
Check out this 4.25"+ sized hail stone that was reported on a severe warned supercell thunderstorm 10 miles Southwest of Agate, Nebraska (Sioux County) around 6pm MDT this evening.
The supercell has been ongoing for approximately 4 hours! It started near Douglas, Wyoming at around 2pm MDT! Its tallest radar sampled cloud top heights have reached 60,000 FEET in the air today.
