The Brief Damage was reported on Sunday due too strong to severe storms. Dallas, Tarrant, Collin, Hunt and Denton County were under severe thunderstorm warnings at times. A severe thunderstorm watch is in effect until 10 p.m.Strong winds and large hail were seen across North Texas on Sunday night. A 45 to 50 foot hole was reported in the roof of the Walmart Distribution Center on N. Stemmons Street in Sanger, according to Denton County officials. Severe Thunderstorm WarningsSevere Thunderstorm Warnings in the area have expired.