NEW ORLEANS - Mayor Mitch Landrieu said Tuesday he spotted a second marsh fire during a flight over one that has hazed the metro area with smoke for three days, and it was so close to a highway that he declared an emergency, allowing him to call out the Louisiana National Guard to help.
Four helicopters based in Hammond were dropping water from 500-gallon baskets onto the fire and five based in Pineville would join them Wednesday, said Brig. Gen. Glenn H. Curtis, director of the joint staff for the Louisiana National Guard.
Haze from the fire was reported as far west as the Baton Rouge metro area, the National Weather Service said. It expanded its smoke alert from New Orleans and six suburban parishes to 23 parishes, including towns 100 miles from New Orleans.Video: La. commemorates 6th Anniversary of Katrina
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As of Tuesday morning, the original fire had burned all but about 537 acres about eight-tenths of a square mile of the trees, shrubs and grass on a 1,552.5-acre area surrounded by canals, said Ryan Berni, spokesman for Landrieu. It started in the center of the area and has been spreading outward.
"It would take an armada of helicopters" to drop water on it and douse it, said state Rep. Austin J. Badon, Jr., D-New Orleans, who flew over the fires separately from Landrieu.
Landrieu said he was told that each basket of water, when it hits earth, covers an area about the size of a pickup truck.
Along the East Coast, some 40 hot spots in the Great Dismal Swamp were still smoldering even after Hurricane Irene dumped 10 to 15 inches of rain on the area, according to a news release posted Tuesday on the U.S. Fish and Wildlife Service website. That fire that lightning started on Aug. 4 has burned more than 6,000 acres in southeastern Virginia and northeastern North Carolina.
Some New Orleans schools had canceled outdoor activities because of smoke which has spread across the metropolitan area for three days. Meteorologists expected the smoke to move north over Lake Pontchartrain by evening, but to settle over the metro area again overnight.
A Louisiana Department of Agriculture and Forestry spokesman said the larger fire was likely to burn itself out by Wednesday afternoon, but Landrieu said it could take two days.
Even then, it could keep burning underground.
"Once it's underground, it's next to impossible to fight," said Bret Lane, the top firefighter for the state's agriculture department. "You can't bring enough water to wet down that soil."
The emergency department at the Interim LSU Public Hospital, which usually treats four or five patients a day for asthma, treated 24 patients with breathing problems in 24 hours, spokesman Marvin McGraw said. But it's not clear if all were because of the smoke, he said. Those with breathing problems have been urged to stay inside in the air conditioning.
Jasmine Groves, who lives less than four miles from the New Orleans fire, said there was so little smoke around her house that she didn't bring her asthma inhaler into the central business district for a class Tuesday, only to have to deal with heavy smoke 10 miles from the fire.
"This is making breathing so hard," she said. Even after her class was over, she said, "I'm still tasting it in my mouth."