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Did Houston’s overpasses help create storms on the first week of June?

https://www.nesdis.noaa.gov/news/noaa-satellite-captures-rare-imagery-of-interstate-induced-clouds#:~:text=On%20the%20morning%20of%20Tuesday,city's%20major%20roads%20and%20highways. (NOAA)

HOUSTON – Houston’s tropical moisture is abundant this week, producing showers and storms that are causing street flooding.

Meteorologists caught an unusual phenomenon on satellite in the midst of the active weather week- clouds developing along Houston’s interstates the morning of June 2nd.

https://www.nesdis.noaa.gov/news/noaa-satellite-captures-rare-imagery-of-interstate-induced-clouds#:~:text=On%20the%20morning%20of%20Tuesday,city's%20major%20roads%20and%20highways.

The clouds forming were due to a temperature differential and available moisture. The heat from the concrete overpass, clashing with the air temperature, helped create enough lift to form cumulus clouds!

In a statement from NOAA, “As the sun rises, paved surfaces tend to heat up more quickly than the surrounding landscape. In this instance, it likely heated the air immediately above them, causing it to rise. As this rising air cooled, water vapor within it then condensed into small droplets which formed clouds that closely followed the paths of the roadways beneath them”.

NOAA reports that the unique formation of clouds is “interstate-induced clouds.”

*It is important to note that, only clouds formed and storms developed more than three hours later.

Houston is a concrete jungle, and the urban heat island effect potentially played a role in these clouds forming along interstates.

The urban heat island effect is the phenomenon where city centers, especially downtown areas, are noticeably hotter than their surrounding suburbs. That’s because buildings, roads, and energy use all trap and radiate heat, making some city cores as much as 8 degrees hotter.

In this case, it didn’t just make it hotter; it also made it cloudier!

Cities can be 4° to 8° warmer than surrounding areas ((Copyright 2026 by KPRC Click2Houston - All rights reserved.))