Flood in Willacy County, Texas

Flood April 21, 2025 · Willacy County, Texas

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Torrential rains fell in just a few hours across Port Mansfield between 9 AM and 1230 PM CST (10 AM and 130 PM CDT), with the cooperative observer (Harbormaster) reporting 6.83 during this time. While the town's generally decent drainage prevented a significant flood, there was minor street flooding reported in town (water of unknown depth) during the peak of the rainfall.

The wider storm

The combination of sufficient tropical moisture, a washed out front, and a weak upper level disturbance allowed for slow moving thunderstorms to dump very heavy rainfall in northeast Willacy County on April 21st. Minor flooding ensued due to rainfall rates of 2 per hour for over 2 hours.

Began near Port Mansfield (26.5513, -97.4240).

Source: NOAA Storm Events Database, event 1256799. Narratives are written by the National Weather Service forecast office that issued the report.

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