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Fog advisory issued before weekend chill creeps in

The rain is gone and the fog will clear, but the chill has only begun.

The second of two cold fronts expected to move into the bay area this week will drop temperatures into the 30s and 40s over the weekend, forecasters said.

The first front, which moved through the area Wednesday, brought cool air and about an inch of rain. The second, expected to move through Thursday, is forecast to dramatically lower temperatures and bring more showers by next week, forecasters said.

Thursday morning was met with a dense fog advisory from the National Weather Service. The NWS warned visibility could drop to a half-mile or less in Hillsborough, Polk, Pasco and Hernando counties until about 8 a.m.

Most of the fog was concentrated along Interstate 4 from Hillsborough County into Polk County, according to Bay News 9. Motorists were advised to exercise caution during morning rush hour.

By midmorning, forecasters said, the fog would burn off as temperatures rose into the 70s.

Winds will increase and temperatures were expected to take a nosedive Friday, with lows expected to hover in the mid 50s. Boaters are advised that gusts could reach gale force offshore, according to the NWS.

Saturday may be the coldest day of the week with an expected high of just 60 degrees and overnight temperatures in the low to mid 40s in Tampa and St. Petersburg, and into the 30s farther north, said NWS forecaster Nicole Carlisle.

"The first cold front brought us rain," Carlisle said. "This one's just bringing us cooler temperatures, but we'll stay dry this weekend."

By Sunday, the air was forecast to warm back into the mid 60s and by Monday temperatures were expected to level off in the 70s, she said.

But don't get too comfortable, warned Bay News 9 meteorologist Juli Marquez.

"We'll have another cold front moving into our area next week," she said. That front is expected to arrive by Wednesday.

Fog advisory issued before weekend chill creeps in 01/12/12 [Last modified: Thursday, January 12, 2012 1:10pm]

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