Frequent downpours to cause flooding in Harvey-stricken areas in Texas, Louisiana
The greater Houston area can expect its first major rain event since Harvey to unfold through Tuesday night.
The combination of calm weather and low humidity means the area has experienced largely favorable weather for flood cleanup efforts since the storm.
A flow of tropical air from the Gulf of Mexico will collide with a slow press of cool air from the central Plains and unleash rounds of downpours in parts of Texas and Louisiana.
“The concern is that [downpours] will be rather slow moving and any thunderstorm that develops can drop a staunch amount of rain in a short period of time,” said AccuWeather Meteorologist Mike Doll.
These heavy storms could lead to localized flooding and travel disruptions for motorists and airline passengers.
Residents of Houston, Corpus Christi and Brownsville, Texas, and Lake Charles, Louisiana, could face reduced visibility in any downpours as well as flooded roads.
Motorists should take care to avoid flooded roadways and obey all road closures.
This will be the first time many Harvey-stricken areas have received significant rainfall since the hurricane flooded the region.
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“Flooding will not be widespread, but any rain will obviously delay ongoing clean up,” said Doll.
Roof repair projects may be the most affected by the downpours.
Farther south where Harvey’s impacts were minimal, the Rio Grande Valley is experiencing moderate drought conditions.
Regardless of drought status, this pattern could bring flash flooding to area creeks and rivers and low-lying and poor drainage areas.
“Drier air will arrive Wednesday and cut off the moisture support for thunderstorms,” said Doll.
However, given the consistent onshore wind flow expected, coastal flooding will add to the influx of water into the region through midweek.
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