Tropical Storm Alberto forms in Gulf, brings heavy rain to Texas

A tropical system off the coast of Mexico has strengthened into Tropical Storm Alberto and is bringing heavy rain, coastal flooding and gusty winds to Texas.

Alberto -- the first named storm of the season -- is forecast to make landfall in Mexico overnight and will impact Texas through Thursday.

Heavy rain is underway in south Texas and will be most widespread from Wednesday afternoon to Wednesday evening. Scattered showers will last through Thursday.

Rain totals could reach 10 inches in Texas and up to 20 inches in the mountains of Mexico.

Texas Gov. Greg Abbott preemptively declared a severe weather disaster declaration on Wednesday, due to the threats posed by Alberto.

A tropical storm warning is in effect for the Texas coast, from San Luis Pass to Corpus Christi to the mouth of the Rio Grande. There’s a moderate risk for flash flooding in Corpus Christi and Brownsville.

Storm surge has already topped 4 feet at San Luis Pass, in Texas, just south of Galveston Island.

Coastal flooding is also a threat for the Louisiana coast, including New Orleans.

There’s also the chance of a few tornadoes.

Atlantic hurricane season lasts from June 1 to Nov. 30.