Weather

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The Tampa Bay Times Forum, site of the 2012 Republican National Convention, is viewed across the water of the Garrison Channel from Harbour Island in downtown Tampa, Fla. Weather forecasts continue to show Florida in the path of Tropical Storm Isaac. (AP Photo/The Tampa Bay Times, Carolina Hidalgo)

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Brookfield Homes is building more than 1,000 single-family homes and town homes at Snowden Bridge in the planned community of Stephenson. The Andover model, with 1,506 square feet, is priced from $199,990.

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Tropical Storm Isaac, in the lower right corner, moves over the Lesser Antilles in a satellite image from the National Oceanic and Atmospheric Administration taken on Wednesday, Aug. 22, 2012, at 1:45 p.m. EDT. (AP Photo/Weather Underground)

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FILE - In this Aug. 16, 2012 file photo, mosquitos are sorted at the Dallas County mosquito lab in Dallas. U.S. health officials say there's been an alarming increase in the number of West Nile cases. So far there have been more than 1,100 cases reported through the middle of August. That's three times as many as usually seen at this point in the year. About half the cases are in Texas. Most West Nile infections are reported in August and September. (AP Photo/LM Otero, File)

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Rick Knabb, director of the National Hurricane Center, updates a reporter on Tropical Storm Isaac on Wednesday, Aug. 22, 2012, in Miami. The agency said Isaac was expected to strengthen and could become a hurricane by Thursday. (AP Photo/Alan Diaz)

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**FILE ** Assistant groundskeeper Mike Hrivnak keeps an eye on the approaching storm Aug. 20, 2012, during a rain delay in Washington, D.C. (Rod Lamkey Jr./The Washington Times)

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Suzanne Meredith of Walpole, Mass., gases up her car at a Gulf station in Brookline, Mass., on Tuesday, July 10, 2012. (AP Photo/Steven Senne)

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Because of poor visibility and health concerns, Elmore County sheriff's deputies issued mandatory evacuation orders to residents of Featherville, Idaho, as the Trinity Ridge fire continued to burn on Saturday, Aug. 18, 2012. (AP Photo/Idaho Statesman, Katherine Jones)

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** FILE ** Vendors that were caught unprepared try to recover their chairs after high waves dragged their beach stalls into the sea in Veracruz, Mexico, Thursday, Aug. 9, 2012. Tropical Storm Ernesto headed into Mexico's southern Gulf coast as authorities in the flood-prone region prepared shelters, army troops and rescue personnel for drenching rains. (AP Photo/Felix Marquez)