Three different moisture sources were aimed at Texas creating the devastating flooding.
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The jet stream sent moisture from the Pacific Ocean eastward across the state. At the same time high pressure over the Gulf also sent moisture into Texas.
Lastly tropical moisture from what was once Tropical Storm Barry supercharged the rainfall rates.
All three of these sources converged across Mason and Kerr counties in central Texas where rainfall exceeded a foot in some spots.
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Take a look at the latest stories and videos about the deadly and devastating flooding in Texas here.