Severe

* WHAT...Sub-freezing temperatures as low as 30 possible. * WHERE...Portions of east central Ohio, northwest, southwest, and western Pennsylvania, and northern and the northern panhandle of West Virginia. * WHEN...From late Saturday night through Sunday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

...RED FLAG WARNING IS NOW IN EFFECT FROM 11 AM TO 7 PM CDT SATURDAY FOR SOUTHEAST ARKANSAS, NORTHEAST LOUISIANA, AND CENTRAL AND SOUTHERN MISSISSIPPI... The National Weather Service in Jackson has issued a Red Flag Warning, which is in effect until 8 PM this eveing, and again on Saturday from 11 AM to 7 PM CDT. * WIND...Northwest winds 15 to 25 mph with gusts up to 35 mph behind a cold front today. For Saturday, north winds around 15 mph with gusts to around 25 mph.

...RED FLAG WARNING IS NOW IN EFFECT FROM 11 AM TO 7 PM CDT SATURDAY FOR SOUTHEAST ARKANSAS, NORTHEAST LOUISIANA, AND CENTRAL AND SOUTHERN MISSISSIPPI... The National Weather Service in Jackson has issued a Red Flag Warning, which is in effect until 8 PM this eveing, and again on Saturday from 11 AM to 7 PM CDT. * WIND...Northwest winds 15 to 25 mph with gusts up to 35 mph behind a cold front today. For Saturday, north winds around 15 mph with gusts to around 25 mph.

At 1224 PM EDT, a severe thunderstorm was located near Vandergrift, moving east at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Indiana, Kittanning, Apollo, Ford City, Leechburg, West Kittanning, Clymer, North Apollo, Orchard Hills, Rural Valley, West Lebanon, Dayton, Chevy Chase Heights, West Hills, North Vandergrift and Ernest. Seek shelter inside a well-built structure and stay away from

The National Weather Service in Phoenix has issued a * Dust Storm Warning for... Pinal County in southeastern Arizona... * Until 1130 AM MST. * At 925 AM MST, a plume of dust was located over Bapchule, or near Sun Lakes, and was stationary along Interstate 10. HAZARD...Less than a quarter mile visibility with strong winds in excess of 40 mph. SOURCE...Satellite observations and spotters. IMPACT...Dangerous life-threatening travel. * Locations impacted include... Bapchule, Santan and Sacaton.

* WHAT...Sub-freezing temperatures as low as 26 expected. * WHERE...Portions of the Panhandle of Oklahoma and the Panhandle of Texas. * WHEN...From 1 AM to 9 AM CDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

* WHAT...Sub-freezing temperatures as low as 31 to 32 expected. * WHERE...Ellis and Harper Counties. * WHEN...From 1 AM to 9 AM CDT Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.

* WHAT...For the High Wind Warning, especially Guadalupe Pass, northeast winds 30 to 40 mph with gusts up to 60 mph. For the Freeze Warning, sub-freezing temperatures as low as 27 expected. * WHERE...Guadalupe Mountains of west Texas and Southeast New Mexico. * WHEN...For the High Wind Warning, until midnight MDT /1 AM CDT/ tonight. For the Freeze Warning, from 3 AM MDT /4 AM CDT/ to 9 AM MDT /10 AM CDT/ Saturday. * IMPACTS...Travel will be difficult, especially for high profile

* WHAT...For the High Wind Warning, especially Guadalupe Pass, northeast winds 30 to 40 mph with gusts up to 60 mph. For the Freeze Warning, sub-freezing temperatures as low as 27 expected. * WHERE...Guadalupe Mountains of west Texas and Southeast New Mexico. * WHEN...For the High Wind Warning, until midnight MDT /1 AM CDT/ tonight. For the Freeze Warning, from 3 AM MDT /4 AM CDT/ to 9 AM MDT /10 AM CDT/ Saturday. * IMPACTS...Travel will be difficult, especially for high profile

* WHAT...For the Wind Advisory, northeast winds 30 to 40 mph with gusts up to 55 mph. For the Freeze Warning, sub-freezing temperatures as low as 28 expected. * WHERE...In New Mexico, Central Lea and Northern Lea Counties. In Texas, Davis Mountains. * WHEN...For the Wind Advisory, until 6 PM MDT /7 PM CDT/ this evening. For the Freeze Warning, from 3 AM MDT /4 AM CDT/ to 9 AM MDT /10 AM CDT/ Saturday. * IMPACTS...Gusty winds may blow around unsecured objects. Frost and