Floods can happen almost anywhere across the United States, but some places are more prone to flooding than others. Here's what you need to know — and some tips on how to stay safe.

"A lot of the weather forecast offices now are not operating at full complement of staff," said the former lead of NOAA.

Flash floods surged through in the middle of the night, but many local officials appeared unaware of the unfolding catastrophe, initially leaving people near the river on their own.

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.

As a climate scientist who calls Texas home, I can tell you that the Hill Country of Texas is no stranger to flooding. Meteorologists often refer to it as “Flash Flood Alley” because of its steep terrain, shallow soils, and its history of sudden and intense rainfall.

Former federal officials and outside experts have warned for months that President Donald Trump’s staffing cuts to the National Weather Service could endanger lives.

NBC News is tracking online price levels for dozens of items at major retailers to determine when and how much they may fluctuate throughout the rest of the year.