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2:30AM Update: Life-Threatening Flooding Continues around Beaumont; Heavy Rains may develop west toward HOU Metro by Sunrise

Severe to catastrophic flash flooding continues in portions of the Golden Triangle and Far Southeast Texas. 15 to 18 inches of rain has been measured by rain gauges over the last six hours from Winnie to Fannett to Beaumont. Flash flood emergencies are in effect and heavy to extreme rainfall will continue through sunrise. Travel is strongly discouraged unless it is an emergency or you’re evacuating to higher ground. Understand that there is a sharp rainfall gradient between extreme flash flooding to much lower amounts. While localized impacts are extreme, this is not a widespread flash flood event like we saw with Harvey. I want to make that clear while saying some folks are probably seeing catastrophic flash flooding in the Golden Triangle. An additional ten inches of rain may fall by 7 AM where those heavy storms stall.

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The HRRR (High-Resolution Rapid Refresh) model has done well with the overnight convection. That same model indicates a band of heavier rain developing farther west toward the northern side of the Houston metro toward Conroe. Indeed we have had a heavy thunderstorm develop over the last hour northeast of Humble and southeast of Conroe.

Spotty showers have developed along Interstate 10 from Brookshire east to Downtown Hours. Those showers are not anything to write home about, but they may be the initial signs of new activity trying to develop farther west by sunrise.

Keep in mind that storms in these bands are generally ‘training’ to the east without too much southward progress. Storms are just moving along on a train track and over the same areas – resulting in higher rain totals.

If heavier storms do develop farther west as the HRRR indicates we could see a flash flooding threat develop just north of the Houston metro by 6-7 AM. That activity would slowly move south through the morning hours – resulting in heavy rainfall across Harris County and the Houston Metro. Depending on how far west activity develops we could also have some heavier storms impact places like Sealy and Richmond by the early afternoon. Street flooding would quickly become a threat under any heavy thunderstorms due to slow movement.

We’ll continue posting updates on our social media channels. You can monitor our rapid-fire updates here on our website. Our interactive weather radar is also burning the midnight oil to keep folks up to date.
Flash Flood Warning
National Weather Service Lake Charles LA
230 AM CDT Thu Sep 19 2019

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…FLASH FLOOD EMERGENCY FOR JEFFERSON AND ORANGE COUNTIES…

The National Weather Service in Lake Charles has issued a

* Flash Flood Warning for…
Jefferson County in southeastern Texas…
Western Orange County in southeastern Texas…

* Until 630 AM CDT.

* At 225 AM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area.
Jefferson County Drainage District 6 gages indicate 6 to 12 inches
of rain have fallen over the past 6 hours. Flash flooding is
occurring, with numerous roads impassable and reports of water
rescues and evacuations. Rainfall is expected to continue for the
next several hours.

THIS IS A FLASH FLOOD EMERGENCY FOR JEFFERSON AND ORANGE COUNTIES.
This is a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW!

* Some locations that will experience flooding include…
Beaumont, Port Arthur, Nederland, Port Neches, Vidor, Nome,
Hamshire, Central Gardens, China, Rose City, Pine Forest, Port
Acres, Orangefield, Fannett, La Belle and Southeast Texas Regional
Airport.

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David Reimer

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