U.S. Gulf Coast states brace for subtropical storm Alberto

Normally packed with vacationers over the Memorial Day weekend, beaches along the eastern U.S. Gulf Coast were largely empty Sunday as a slowly intensifying storm carrying brisk winds and heavy rain approached.

Subtropical Storm Alberto — the first named storm of the 2018 hurricane season — prompted Florida, Alabama and Mississippi to launch emergency preparations Saturday. Rough conditions were expected to roil the seas off the eastern and northern Gulf Coast region through Tuesday.

“These swells are likely to cause life-threatening surf and rip current conditions,” the National Hurricane Centre in Miami said in a statement.

The National Weather Service  has warned residents to “take this storm seriously.”

Gusty showers were to begin lashing parts of Florida on Sunday, and authorities were warning of the possibility of flash flooding.

The hurricane centre said Sunday that a tropical storm warning was in effect from Bonita Beach, Florida, to the Mississippi-Alabama border.

Isolated tornadoes were possible across the region on Sunday and Monday.

About 130 to 250 millimetres of rain are possible along affected areas in eastern Louisiana, Mississippi, Alabama, western Tennessee and the western Florida Panhandle. Isolated areas could see as much as 380 millimetres.

Filling sandbags

Under overcast skies and occasional drizzle, several Gulfport, Miss., residents lined up to fill five- and nine-kilogram bags with sand they will use to block any encroaching floodwater expected as a result of Alberto.

Tommy Whitlock said sandbagging has become a usual event in his life since he lives next to a creek.

“I’m doing this because every time we have a hard rain, it floods at my house,” Whitlock said. “We get water from other neighbourhoods, and water can get up to a foot deep in some places.”

Eddy Warner, a retired consultant for a construction company, filled bags while waiting for his nephew to come help transport them home to protect his garage.

“I’m 65 years old and too old to be doing this,” he said, laughing.

Alberto — the first named storm of the 2018 hurricane season that officially starts June 1 — is expected to strengthen until it reaches the northern Gulf Coast, likely on Monday night.

The NWS said waves as high as 5.5 metres could pound the popular Gulf beaches in Baldwin County, Alabama, and northwestern Florida on Monday. A high surf warning was in effect through 7 p.m. Tuesday local time.

At 11 a.m. ET Sunday, the National Hurricane Centre said Alberto was about 210 kilometres west-southwest of Tampa, Fla., and moving north at 22 km/h. The storm had top sustained winds of 80 km/h.

A subtropical storm like Alberto has a less defined and cooler centre than a tropical storm, and its strongest winds are found farther from its centre. Subtropical storms can develop into tropical storms, which in turn can strengthen into hurricanes.

A tropical storm warning expired for Cuba’s western Pinar del Rio province, where heavy rains could trigger flash floods and mudslides, the National Hurricane Centre said.

Threat of rip currents

The downpours could dampen Memorial Day, the unofficial start of the summer tourist season along Gulf beaches. Along with heavy rains and high winds come rough seas and a threat of rip currents from Florida to Louisiana that can sweep swimmers out to sea.

Tracey Gasper and her six-year-old son, Chase, travelled to Biloxi Beach from Donaldsonville, Louisiana, for a day of fun in the sun with a group of friends from Baton Rouge, Louisiana. The weather had scared off the usual crowds expected for the holiday weekend.

“It was a 50-50 chance of whether to come down and we decided to chance it,” Gasper said.

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