NWS says Flash Flood Warnings were issued on July 3 and early July 4 in Central Texas, giving more than three hours of warning.

Maps show how heavy rainfall and rocky terrain helped create the devastating Texas floods that have killed more than 120 people.

President Donald Trump is visiting Texas to survey the damage from recent flash flooding that claimed at least 120 lives. He is expected to face questions on the federal response and his plans to “phase out” FEMA long-term.

Key positions at National Weather Service offices across Texas are vacant, sowing doubt over the state’s ability to respond to natural disasters as rescuers comb through the flood-ravaged Hill Country.

Some governors and mayors are concerned over how current or potential cuts to agencies will impact how the government can respond in the future to major weather events.

Weather model data shows the National Weather Service had reason to warn of higher flood risks. Still, meteorologists say the agency made reasonable predictions.

The National Weather Service says Flash Flood Warnings were issued on July 3 and early July 4 in Texas, giving more than three hours of warning.

The White House is defending the National Weather Service and accusing some Democrats of playing politics in the wake of devastating floods in Texas.

In what experts call "Flash Flood Alley," the terrain reacts quickly to rainfall steep slopes, rocky ground, and narrow riverbeds leave little time for warning.