* Affected Area...In Oklahoma...Cimarron...Texas and Beaver. In Texas...Dallam...Sherman...Hansford...Ochiltree...Lipscomb... Hartley...Moore...Hutchinson...Roberts...Hemphill...Oldham and Potter. * 20 Foot Winds...Southwest 35 to 45 mph with gusts up to 75 mph. * Relative Humidity...As low as 12 percent. * Red Flag Threat Index...4 to 7. * Timing...Friday, from 9 AM to 7 PM.

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 8 PM CDT FRIDAY FOR VERY DRY AND WINDY CONDITIONS FOR MUCH OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS... .Very strong winds and dry air will move into the area following the passage of a dryline Friday morning and afternoon. The combination of high winds, very low relative humidity values, and dry fuels will create extreme fire weather conditions across eastern Oklahoma and northwest Arkansas. * AFFECTED AREA...In Arkansas, Benton, Carroll, Washington, Madison, Crawford, Franklin, and Sebastian counties. In Oklahoma, Pushmataha, Choctaw, Osage, Washington, Nowata, Craig, Ottawa, Pawnee, Tulsa, Rogers, Mayes, Delaware, Creek, Okfuskee, Okmulgee, Wagoner, Cherokee, Adair, Muskogee, McIntosh, Sequoyah, Pittsburg, Haskell, Latimer, and Le Flore counties. * WIND...South to southwest winds 30 to 50 mph with gusts 40 to 65 mph. * HUMIDITY...Falling to 10 to 25 percent during the afternoon. * TEMPERATURE...High temperatures in the mid 70s to around 80. * IMPACTS...Any fires that develop will spread dangerously fast. Outdoor burning should be avoided on Friday.

* WHAT...West winds 40 to 50 mph with gusts up to 75 mph expected. * WHERE...The Oklahoma Panhandle and the northern Texas Panhandle. * WHEN...From 7 AM to 7 PM CDT Friday. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.

For Thursday... * WINDS...Southwest 20 to 25 mph with gusts up to 30 to 35 mph. * RELATIVE HUMIDITY...As low as 15 percent. * TEMPERATURES...Up to 81. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. * SEVERITY... FUELS (ERC)...70th-89th percentile...4 (out of 5). WEATHER...Extreme...2 (out of 5). FIRE ENVIRONMENT...6 (out of 10). For Friday... * WINDS...Southwest 30 to 40 mph with gusts up to 65 mph. * RELATIVE HUMIDITY...As low as 12 percent. * TEMPERATURES...Up to 70. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. * SEVERITY... FUELS (ERC)...70th-89th percentile...4 (out of 5). WEATHER...Extreme...4 (out of 5). FIRE ENVIRONMENT...8 (out of 10).

* WINDS...Southwest 30 to 40 mph with gusts up to 70 mph. * RELATIVE HUMIDITY...As low as 12 percent. * TEMPERATURES...Up to 75. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. * SEVERITY... FUELS (ERC)...50th-69th percentile...3 (out of 5). WEATHER...Extreme...4 (out of 5). FIRE ENVIRONMENT...7 (out of 10).

* WHAT...Southwest winds 35 to 45 mph with gusts up to 70 mph expected. * WHERE...Portions of central, northern, northwest, southern, southwest, and western Oklahoma and northern Texas. * WHEN...From 7 AM to 10 PM CDT Friday. * IMPACTS...Damaging winds could blow down trees and power lines. Isolated power outages are possible. Travel will be difficult due to crosswinds, especially for high profile vehicles.

* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Pontotoc, Seminole, Atoka, Bryan, Coal, Hughes, Johnston, and Marshall Counties. * WHEN...From 7 AM to 10 PM CDT Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

* WHAT...Southwest winds 20 to 30 mph with gusts up to 55 mph expected. * WHERE...In Arkansas, Carroll, Crawford, Madison, Franklin, and Sebastian Counties. In Oklahoma, Sequoyah, Choctaw, Haskell, Latimer, Le Flore, Pittsburg, and Pushmataha Counties. * WHEN...From 10 AM to 8 PM CDT Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down. Drivers of high profile vehicles should be alert to sudden gusts.

* WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Portions of northwest Arkansas and east central, northeast, and southeast Oklahoma. * WHEN...From 10 AM to 8 PM CDT Friday. * IMPACTS...Strong winds will damage some trees and power lines resulting in local power outages. Some property could be damaged. Travel will be difficult, especially for high profile vehicles.