Deadly flooding in the flash flood alley of Texas is raising questions about warnings. Here's a preliminary (but not conslusive) analysis.

Dozens of people have died after heavy rain pounded Kerr County, Texas, early Friday, leading to "catastrophic" flooding, the sheriff said.

By JIM VERTUNO, JULIO CORTEZ and JOHN SEEWER KERRVILLE, Texas (AP) — Rescuers scoured a devastated central Texas landscape of mangled trees, overturned cars and muck-filled debris Saturday