Texas on Saturday faces an upper-atmosphere wave of low pressure that could trigger storms and an increasingly deep flow of Gulf moisture.

The intense rainfall and flash floods are the deadliest weather disaster in the US since President Donald Trump's administration conducted mass staff cuts at two key weather and climate agencies : the National Oceanic and Atmospheric Organisation (NOAA) and its subsidiary, the National Weather Service (NWS).

As ominous storm clouds gather once more over Texas, the desperate search for more than 150 individuals still missing since the catastrophic July 4 floods has now stretched into its second week.

In the early hours of Independence Day, rain pelted sleeping communities in central Texas. No one knew yet how devastating the storm would become.

A small Texas town that recorded no deaths in last weekend’s flood disaster had recently upgraded its emergency alert system — the kind of setup state, county and federal officials

Officials says this project was made possible because of years of planning, persistent grant writing and a commitment to public safety.

Steep hills, shallow soils and a fault zone have made Hill Country, also called "flash flood alley," one of the state's most dangerous regions.

Precipitation varied significantly across the metro area Tuesday, from 0.06 inches by DFW airport to over 4 inches near downtown Dallas.