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How the floods in Texas developed

Catastrophic flash floods slammed Texas early Friday morning and have killed at least 82 people, with dozens still missing. CBS News Philadelphia meteorologist Kate Bilo explains what led up to the destructive storms.
Jul 7, 2025 (01:36)

TRANSCRIPT FOR: “WHAT LED TO THE DEVASTATING FLASH FLOODS IN CENTRAL TEXAS”

EROLL BARNETT:
00:00:00

CBS News Philadelphia meteorologist Kate Bilo has more for us on this. Good morning to you, Kate. So from your perspective, why was this storm just so devastating? We had just a combination of factors, Errol, in that area that led to just basically a freak incident. As Jason mentioned, this area is not a stranger to flash flooding because of the geography of the Texas Hill Country, but you had several things going on. Let's talk about a couple of them. First and foremost, you had Barry, a tropical system that was weakening, but all of that moisture was lifted northward along the higher terrain here of eastern Mexico, right on up into Texas. You had a low-level jet stream which was providing added moisture, and you also had a nearly stationary upper low, which was drawing all that moisture, firing storms, and nothing was really moving. So you just had all of this rain coming down over the same areas and heavy, heavy rainfall rates because of all of that deep, deep moisture in the atmosphere. So again, when you factor in that upper-level disturbance, the low-level jet, plus the tropical system, those are three things factoring in. And, of course, you have the geography of the Hill Country leading to that funnel effect where all of that rain water just runs down the slopes and into those rivers, causing that river to rise, again, about 26 feet in 45 minutes. Streeter, Texas, picking up over 20 inches of rain. And the problem? We've got another round of rain today. Heavy downpours could lead to 1 to 3 inches of rain and a moderate risk for flooding in the Texas Hill Country yet again today. We'll be monitoring that for you. Errol, back over to you.

EROLL BARNETT:
00:01:31

All right, and we'll check back in with you later this hour for more on the national forecast. Thank you, Kate.

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