Ground search operations were suspended Sunday in Kerr County, Texas, where crews have continued to look for those still lost after catastrophic July 4 flooding.

The Flood Watch in effect for parts of the southern Plains, including much of Oklahoma and Texas, was expanded southeast this morning to encompass areas that were hit hard by catastrophic and deadly flash flooding last weekend, including Kerr, Travis and Burnet Counties.

Many of the 650 campers and staffers at Camp Mystic were asleep when, at 1:14 a.m., a flash-flood warning for Kerr County, Texas, with “catastrophic” potential for loss of life was issued by the National Weather Service.

Here's what to know about the deadly flooding, the colossal weather system that drove it and ongoing efforts to identify victims.

Flash floods in Texas have killed at least 107 people over the Fourth of July weekend, with more than 160 still missing.

New flash flooding hit parts of Kerr County, Texas on Sunday, just nine days after the same region saw devastating floods that left 129 dead. “Life-threatening flash flooding” struck

The NWS Fort Worth TX released an updated flash flood warning at 9:09 p.m. on Saturday in effect until Sunday at midnight. The warning is for Collin, Dallas and Denton counties.

Sunday morning recovering efforts were suspended in Kerr County due to heavy rainfall and a new flash flood warning issued for the Hill Country.