The Texas Forest Service undertook controlled burns on Sunday, April 17, 2011 to get rid of fuel on the mountains around McDonald Observatory in the Davis Mountains of West Texas. Here, Black Mountain is burning. The Hobby-Eberly Telescope dome is at right. #

A bull tries to escape a running wildfire on April 19, 2011 in Graford, Texas. Dozens of area homes have been destroyed in the wildfires that have been fueled by dry conditions, high winds, and low humidity. #

New wildfires keep starting up near Possum Kingdom Lake where homes have been destroyed in the recreational area about 70 miles west of Fort Worth, Texas on April 19, 2011. The fire is the fifth in Texas to have burned at least 100,000 acres in the past two weeks. #

Ty Hansen, left, and Cory Martin, right, of Santa Clara, Utah fire department battle the wild fires in Palo Pinto County near Strawn, Texas on Monday, April 18, 2011. #

Kent Hayden looks of the the charred remains of his parents garage and was what was a fully restored antique Jaguar sedan that was destroyed by a wildfire on the west side of Possum Kingdom Lake, Texas, Saturday, April 16, 2011. #

A Texas Forest Service helicopter drops water on a wildfire burning 3 miles northeast of Rotan, Texas on Friday, April 15, 2011. The fire, which started earlier in the week in Kent County and spread into Stonewall, Scurry and Fisher, has consumed more than 50,000 acres, according to fire officials. #

This view of the Rock House wildfire, seen from the McDonald Observatory in the Davis Mountains of West Texas, was shot on the night of April 9, 2011 from the catwalk of the 2.1-meter Otto Struve Telescope dome looking east. The 2.7-meter Harlan J. Smith Telescope is at left. #

This image, taken by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Aqua satellite, shows wildfires in Texas on April 15, 2011 -- the fires detected by MODIS are marked in red. Most of the fires shown in the image are larger than ten thousand acres, and many have threatened communities. #

An emergency worker watches a Travis Co. Star Flight helicopter after it dropped water on a wildfire that destroyed homes in southwest Austin, Texas on Sunday, April 17, 2011. #

Standing in front of a burned out fire truck, volunteer firefighter Steve Forbus pauses while he talks about the firefighter that was killed while trying to escape a wildfire that burned the truck in Eastland County near Gorman, Texas, Saturday, April 16, 2011. "It was a very emotional day for us," said Forbus. Volunteer firefighter Gregory M. Simmons, 51, died as he and other firefighters fled the truck as it was being overrun by flames. Simmons fell in a ditch where the fire caught him, according to an official. #

Stonewall County Sheriff Bill Mullen lights a backfire in Texas' northern Stonewall County in hopes that it connects with the larger fire burning further north on Friday, April 8, 2011. #

A half-burned Juniper bush, one of many ignited by fire crews along Ranch Road 2886 to greet the edge of a growing wildfire south of Iraan, Texas, burns on Wednesday, April 13, 2011. #