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Gulf Disturbance to Bring Heavy Rain to Western Gulf Coast – Gulf Coast Storm Center

There continues to be a chance for tropical development in the Western Gulf of Mexico over the next few days.

A surface trough currently located over the West-Central Gulf of Mexico is producing disorganized thunderstorm activity; it will track west today. By tomorrow, it will be located near the Texas Gulf Coast, where it will meander through midweek.

Overall, the chance of this feature developing into a tropical cyclone is low, as a nearby upper-level low is producing dry air and 20 – 30 knots of wind shear.

Figure 2. Latest five day graphical tropical weather outlook from the National Hurricane Center.

In their 8:00 AM EDT tropical weather outlook, the National Hurricane Center (NHC) gave the trough a 20% chance of development over the next two to five days, stating “environmental conditions do not support significant development.”

Heavy rain is still going to impact the Texas Gulf Coast and portions of the Louisiana Gulf Coast — mainly along and south of Interstate 10 — regardless of development.

Some model guidance, mainly the ECMWF, UKMET, and NAM, are indicating rainfall accumulations of 12″+ will be possible along the lower Texas Gulf Coast.

The latest quantitative precipitation forecast (QPF) from the Weather Prediction Center has Corpus Christi, Brownsville, and adjacent areas getting up to 10″ of rain (see figure 1).

Localized flash flooding is likely to be an issue.

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The post Gulf Disturbance to Bring Heavy Rain to Western Gulf Coast appeared first on Gulf Coast Storm Center .

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