SPRINGERVILLE, Ariz. — More residents of two towns were told to evacuate Wednesday as Arizona's massive wildfire continued to grow and threatened not only homes but power lines going to Texas and New Mexico. By midday, it was estimated to have burned through 607 square miles, up from 486 on Tuesday and an area that's twice the size of New York City.
New neighborhoods in Eagar and Springerville were told to clear out and a public meeting scheduled for Wednesday night was called off. It was not immediately clear how many people were affected by the order.
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On Tuesday, some 2,000 people in other parts of Eagar and Springerville had to evacuate. Those who had remained grew worried as they awaited word of whether they would have to flee, too.
"I'm trying to protect my belongings as best I can," said Wayne Lutz, 68, an Eagar resident who lives about 8 miles from the fire's edge and spent Wednesday clearing brush and dampening his property with sprinklers.
"But if push comes to shove, I can be out of here in 10 minutes," he told Reuters by telephone. "The house is insured. My life is not."
Winds in the area were expected to gust up to 35 mph Wednesday. Officials told residents of nearby Luna, N.M., to be prepared to leave if winds push the blaze into western New Mexico.
Firefighters are especially concerned that high winds might carry embers that can cause new, smaller spot fires.
"We have a lot of people out there who are going to be doing nothing but looking for spots and putting those things out if they see them," fire information officer Jim Whittington said.
The blaze threatens nearly 600 structures and has destroyed 11 buildings, primarily in the Apache-Sitgreaves National Forest. No serious injuries have been reported.
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The fire also threatens a pair of transmission lines that supply electricity to hundreds of thousands of people as far east as Texas.
The blaze is expected to reach the power lines as early as Friday. If the lines are damaged, parts of New Mexico and Texas could face rolling blackouts.
El Paso Electric issued warnings of possible power interruptions for its customers in southern New Mexico and West Texas.
Texas-based El Paso Electric uses two high voltage lines to bring electricity from the Palo Verde Nuclear Generating Station west of Phoenix to the two states. Losing the lines would cut off about 40 percent of the utility's supply, possibly triggering the rolling blackouts among its 372,000 customers.
On Tuesday, about half of the 4,000 residents who call Eagar home were forced to leave as the fire licked the ridges surrounding the area.
As daylight waned Tuesday, cars, trucks and trailers loaded with belongings streamed out of Eagar as sheriff's deputies and police officers directed traffic. Flames dotted a ridge on the southeastern side of Springerville, and columns of orange smoke rose from the hills.
Ash rained from the smoke-filled sky. When the sun peeked through, it was blood-red.
Crews worked feverishly overnight to ignite unburned areas of grass and other fuel to starve the fire in case it burned over the ridge and into the grasslands and stands of trees that border the two towns.
The blaze, burning in mainly ponderosa pine forest, was sparked May 29 by what authorities believe was an unattended campfire. It became the second-largest in Arizona history on Tuesday.
It has cast smoke as far east as Iowa and forced some planes to divert from Albuquerque, N.M., some 200 miles away.
By late Tuesday, the flames were about two miles from Springerville and Eagar on the edge of the forest, fire officials said.
Firefighters were trying to protect the mountain towns of Alpine, Greer and Nutrioso. They were able to keep it out of the canyons surrounding the small resort town of Greer on Tuesday.
Thousands of firefighters, including many from several western states and as far away as New York, are already helping.
Dozens of them worked Tuesday alongside a stretch of U.S. 191 about two miles outside of Springerville, burning vegetation along one side of the highway to keep the approaching fire from jumping across and heading into town. Other crews removed brush from around homes near the foothills.
Angie Colwell, her husband Mike and their two children loaded up their belongings as authorities ordered their Eagar neighborhood to evacuate.
"We love the mountains and we're just afraid of what's going to be left after the fire comes through," the longtime resident said.Video: Arizona wildfires 'burning like gasoline' (on this page)
The sheriff's office issued the evacuation order for areas south of state Route 260 and east of Greer just before 4 p.m. The highway was closed after the evacuation, and patrol cars were stationed at checkpoints leading south.
In all, about 7,000 people have been ordered to prepare for evacuation in recent days.
With a blaze as large as this being driven by unpredictable and gusty winds, putting the fire out is a gargantuan task.
All fire managers can do is try to steer it away from homes and cabins by using natural terrain, burning out combustible material first and trying to put out spot fires sparked by embers blowing in front of the main fire front.PhotoBlog: View, discuss weather photos
The cost of fighting the blaze has approached $8 million. Forest supervisor Christopher Knopp said it's likely to get more expensive.
Another major wildfire was burning in southeastern Arizona, threatening two communities. The 166-square-mile Horseshoe Two fire has devoured three summer cabins and four outbuildings since it started May 8.
Arizona's largest blaze came in 2002 when flames blackened more than 732 square miles and destroyed 491 homes west of the current fire. A fire in 2005 burned about 387 square miles in and around the Phoenix suburb of Cave Creek and consumed 11 homes.
For those who have been forced to leave, the American Red Cross has an evacuation center at a high school about 15 miles west in Lakeside. The center was opened at Blue Ridge high after last week's evacuation of about 2,700 people from mountain communities, but only about 50 were there before the new evacuations Tuesday.
The Associated Press and Reuters contributed to this report.