Thursday

07-31-2025 Vol 2038

Houston Updates Flood Scale to Enhance Flood Risk Communication

In a significant update to its flood scale, the Houston area is set to improve how it communicates potential flooding risks to its residents.

This revised scale reflects valuable insights gathered through research conducted by the University of Houston, aimed at better aligning the communication of flood risks with public understanding.

Originally introduced in 2019 following Hurricane Harvey, the flood scale has been a tool for helping the greater Houston community anticipate and prepare for flooding events.

Research efforts led by Professor Steven Paul Woods alongside his doctoral student Natalie C. Ridgely have revealed important feedback on the previous scale’s effectiveness in conveying risk.

To address these insights, the City of Houston has adopted a simplified structure for the flood scale, incorporating clearer messaging and recommended actions for its residents.

A more visually appealing design was provided by Reliant, enhancing the scale’s usability.

What stands out most about this project is its local roots, as the updated scale was developed in collaboration with dedicated researchers who prioritize the safety and well-being of the Houston community.

The new flood scale comes into play as the weather forecast indicates an increase in rain chances later this week.

However, local meteorologists anticipate there is no immediate need for the flood scale today.

On Tuesday, Houston is braced for exceptionally warm conditions, with high temperatures breaking the 90-degree mark.

Under predominantly sunny skies, temperatures in many areas could soar into the upper 90s, with certain inland spots possibly reaching 100 degrees.

Light winds from the west will contribute to the heat, with nighttime temperatures expected to linger in the upper 70s.

As Wednesday arrives, although temperatures remain similarly high, the atmosphere will see slightly lower humidity levels thanks to dropping dewpoints.

A diminished humidity level, notably for inland regions, may offer a bit of relief from the oppressive summer heat, though there is a very slight chance of rain later in the day.

Looking ahead to Thursday and Friday, the weather pattern shifts as a low-pressure system moves over the Gulf.

This change will bring about increased rain chances, with probabilities ranging from 30 to 50 percent over the two days, though only minimal accumulation is expected for most areas.

The high temperatures will vary based on rainfall timing, generally remaining in the low to upper 90s amidst a mix of sunny and partly sunny skies.

As the weekend approaches, the forecast indicates a better opportunity for rainfall on both Saturday and Sunday, with a 50 percent likelihood of showers each day.

Currently, forecasts suggest that the rain amounts will be moderate, with many locations receiving between 0.25 and 0.5 inches, mitigating concerns of heavy flooding.

While the potential for localized heavier rainfall exists due to the nature of tropical systems, the current outlook leans toward lighter, more manageable rain.

Temperatures over the weekend are expected to be in the low to mid-90s, accompanied by partly sunny conditions.

The following week, the first full week of August, appears to bring more moderate warmth, with temperatures generally in the mid-90s.

Daily sea breeze-driven showers could offer some cooling relief from the heat as the month progresses.

In conclusion, the Houston community can look forward to improved flood risk communication that is more user-friendly and shaped by local research, confirming a commitment to public safety in the face of variable weather patterns.

image source from:spacecityweather

Abigail Harper