Texas, 2023

Flash Flooding in Texas, October 5, 2023

October 5, 2023 · NWS CRP · 2 events in 1 county or zone

Thunderstorms formed along a cold front over south Texas on the 5th. Thunderstorms with locally heavy rainfall produced flooding in Laredo during the afternoon.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
2

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS CRP wrote it up.

Thunderstorms formed along a cold front over south Texas on the 5th. Thunderstorms with locally heavy rainfall produced flooding in Laredo during the afternoon.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Corpus Christi, TX wrote its last area forecast discussion before the first event at Oct 5, 11:14 AM CST, 3 hours 2 minutes earlier.

Area forecast discussion, Oct 5, 11:14 AM CST, 3 hours 2 minutes before
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In the hours before

Local storm report, Oct 5, 12:48 PM CST, 1 hour 28 minutes before
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Local storm report, Oct 5, 12:52 PM CST, 1 hour 24 minutes before
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Local storm report, Oct 5, 12:58 PM CST, 1 hour 18 minutes before
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Local storm report, Oct 5, 1:04 PM CST, 1 hour 12 minutes before
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Local storm report, Oct 5, 1:09 PM CST, 1 hour 7 minutes before
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Local storm report, Oct 5, 1:17 PM CST, 59 minutes before
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The radar

The Corpus Christi radar (KCRP), 198 km away, was scanning. The volume nearest the first event began at 20:18 UTC.

Open the radar archive at this moment

Event by event

2 flash flood. Local standard time, as filed.

Flash Flood, Webb

When
October 5, 2:16 PM CST to 4:16 PM CST
Where
Webb County, 4.9 mi NW of (Lrd)laredo Intl Arp to 3.84 mi NNW of Laredo
Cause
Heavy Rain
Reported by
Trained Spotter
Coordinates
27.595, -99.510

Trained spotter reported Manadas Creek overflowed into Finley Elementary School's parking lot and intersecting roads on the northwest side of Laredo.

Flash Flood, Webb

When
October 5, 2:51 PM CST to 4:30 PM CST
Where
Webb County, 2.16 mi NNE of Lake Casa Blanca to 1.41 mi N of Lake Casa Blanca
Cause
Heavy Rain
Reported by
Public
Coordinates
27.570, -99.430

Public reported flooding of roads on the north side of Laredo.

What these are

Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Texas in 2023Every state in 2023This day in weather historyWarnings in Texas, October 2023

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1145133, 1145134.