Eric Berger

Summer laughs at Fall, kicks its butt

As this site mentioned on Friday, Houston faces an abnormally warm, summer-like week. But does it have to be this warm? On Sunday highs topped out at 97 degrees at Bush Intercontinental Airport, coming to within a couple of degrees of setting a high temperature for the day. More of the same, I am afraid, is on the way for the rest of the work week.

Today through Wednesday

Alas, we’ve fallen back into a typical summer-time pattern for the region. That is to say high pressure is dominating over much of middle America, including the state of Texas. This is going to push down rain chances (we’ll probably only see a few isolated showers along the sea breeze this afternoon), and drive up temperatures. Highs will climb into the mid-90s or, as we saw Sunday, possibly the upper 90s. The National Weather Service says it might even have to issue a heat advisory for today or Tuesday.

Heat will dominated over the central and eastern United States this week, and Texas is no exception. (Weather Bell)
Heat will dominated over the central and eastern United States this week, and Texas is no exception. (Weather Bell)

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Some isolated, heavy storms possible this weekend; Houston heats up next week

Good morning. Just a quick update today as both Matt and I are traveling.

The National Hurricane Center continues to track a broad, disorganized area of low pressure that’s nearing the Texas coast and should come ashore today. Chances of development are near zero, but it is helping to usher in some moisture to the Texas coast.

This is likely to produce scattered to widespread thunderstorms later today and on Saturday. Although there isn’t any great organization, moisture levels will be quite high and it seems likely storm motions will be slow. This means that where storms do develop there will be the potential for some heavy rains that could cause street flooding. However I do not anticipate widespread flooding concerns. Storms will be most likely during the warmer, afternoon and early evening hours. Highs will remain around 90 degrees.

The European model shows high pressure building over Texas next week. (Weather Bell)
The European model shows high pressure building over Texas next week. (Weather Bell)

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Tropical moisture to bring a wet, mostly gray weekend to Houston

It’s quite warm, in the mid-70s, and muggy across Houston as we reach the midpoint of September. The radar is also dry, but that won’t last too long with tropical moisture looming offshore.

Thursday

Most of the moisture isn’t going to arrive just yet, and enough lingering high pressure should limit showers and thunderstorms today, especially for inland areas. I’d only expect scattered to isolated storms, with highs around 90 degrees.

Friday through Monday

You may have noticed that the National Hurricane Center has started to track a blob of tropical moisture that is moving toward the Texas coast. Due to significant wind shear this system is highly unlikely to develop into a depression or tropical storm, but Galveston and other coastal regions should nonetheless see some effects, such as stronger than normal waves and tides 2 to 3 feet above normal levels. Rain chances will also be highest along the coast.

On Saturday precipitable water levels will rise across the region as tropical moisture moves in from the Gulf. (Weather Bell)
On Saturday precipitable water levels will rise across the region as tropical moisture moves in from the Gulf. (Weather Bell)

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Scattered strong thunderstorms likely to continue for Houston

On Tuesday afternoon some strong storms developed over the central Houston area and then migrated to the northwest, causing temporary street flooding issues near downtown and over the Cypress area. This pattern of isolated to scattered showers and heavy thunderstorms will continue for the next couple of days, before more widespread rain is possible on Friday and through the weekend.

A view of downtown, looking east from Eldridge at the Katy Freeway. (shared by cannonfodder002 on Twitter)
A view of downtown, looking east from Eldridge at the Katy Freeway. (shared by cannonfodder002 on Twitter)

 

Wednesday and Thursday

Some modest high pressure should limit showers and thunderstorms on today and Thursday, allowing for partly sunny skies and highs around 90, or in the low 90s. Storms probably won’t develop inland until the afternoon hours when daytime heating nears its peak.

Friday through Monday

As pressure fall slightly, and access to moisture from the Gulf of Mexico increases, I expect more widespread showers and thunderstorms for this weekend, and early next week. As we’ve been seeing this week, heavy storms will develop in some areas of town, but not others, so it’s difficult to pinpoint exact rain chances. Still, most of the area should see about one inch, with isolated areas seeing double or triple that, and other areas less.

NOAA rainfall accumulation forecast for now through Monday. (Weather Bell)
NOAA rainfall accumulation forecast for now through Monday. (Weather Bell)

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