James Smith
The first tropical storm of the Atlantic season is expected to form over the Gulf of Mexico on Wednesday, the National Hurricane Center said, giving the disturbance an 80% chance of getting the distinction. The name would be Alberto.
Forecasters said this could bring heavy rain, coastal flooding and gusty winds to the coasts of Texas and northeastern Mexico through Thursday. Alberto is likely to reach the Mexican coast late Wednesday or early Thursday.
A tropical storm watch was issued for the Texas coast from the San Luis Pass south to the mouth of the Rio Grande, and for the northeast coast of Mexico from the mouth of the Rio Grande to Puerto de Altamira.
Rainfall amounts of 5 to 10 inches are possible across northeastern Mexico into southern Texas, with maximum totals of 15 inches, and would likely result in “considerable flash and urban flooding, along with new and renewed river flooding. mud is also possible in areas of higher terrain in northeastern Mexico,” forecasters said. A storm surge up to four feet high could hit parts of the Texas coast.
The disturbance was “quite large” Wednesday morning, the hurricane center noted, with tropical storm-force winds extending up to 415 miles north of the system’s center.
As of 4 a.m. CDT, the center was about 315 miles southeast of Brownsville, Texas, and moving west-northwest at 8 mph with maximum sustained winds of 40 mph.
The hurricane center upgraded what had been the season’s first tropical storm warning to a tropical storm warning at 4 a.m. CT Tuesday. Three hours later, Mexico’s government issued a tropical storm warning for parts of the country’s northeast coast, south of the mouth of the Rio Grande to Puerto de Altamira, replacing the tropical storm warning previously in effect there. The difference accounts for time – Forecasters typically issue a “watch” when tropical storm conditions are possible in the impacted area within approximately 48 hours, and a “warning” when conditions become more imminent, approximately 36 hours in advance.
O Atlantic hurricane season it officially began on June 1 and runs until the end of November, with most storm activity typically occurring during the last few months of that window, between mid-August and mid-October. The terms hurricane and tropical cyclone can refer to the same kind of stormwith meteorologists using tropical cyclone as a broad classification that includes any weather phenomenon where rotating low-level cloud systems and thunderstorms develop over tropical or subtropical waters, according to the National Oceanic and Atmospheric Administration.
A tropical cyclone is more specifically classified as a tropical storm once the maximum wind speed exceeds 39 mph. When sustained winds reach 74 mph or more, it becomes a hurricane.
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