* WHAT. Flash Flooding caused by a potential dam or levee failure continues to be possible at the Byllesby Dam. * WHERE. A portion of southwest Virginia, including the following counties, Carroll, Pulaski and Wythe. * WHEN. Through Saturday afternoon. * IMPACTS. Dam failure may result in flash flooding of low-lying areas below the dam. * ADDITIONAL DETAILS. - For flooding safety information, go to http://www.weather.gov/safety/flood

The National Weather Service in Blacksburg VA has issued a Flood Warning for the following rivers in Virginia. Roanoke River At Roanoke affecting City of Salem, Roanoke and City of Roanoke independent cities. For the Roanoke River. including Roanoke, Sandy Level, Altavista, Brookneal, Randolph. Minor flooding is forecast. * WHAT. Minor flooding is forecast. * WHERE. Roanoke River at Roanoke. * WHEN. Until tomorrow afternoon. * IMPACTS. At 11.0 feet, Wiley Drive at the railroad underpass near Crystal Springs Avenue is flooded. * ADDITIONAL DETAILS. - At 1:50 PM EDT Friday the stage was 9.4 feet. - Bankfull stage is 10.0 feet. - Forecast. The river is expected to rise above flood stage this afternoon to a crest of 10.9 feet this evening. It will then fall below flood stage late tonight. - Flood stage is 10.0 feet. - For flooding safety information, please visit http://www.weather.gov/safety/flood

Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Virginia. Roanoke River At Roanoke affecting City of Roanoke, Roanoke and City of Salem independent cities. For the Roanoke River at Roanoke, Moderate flooding is now forecast. * WHAT. Minor flooding is occurring and moderate flooding is forecast. * WHERE. Roanoke River at Roanoke. * WHEN. Until tomorrow evening. * IMPACTS. At 11.0 feet, Wiley Drive at the railroad underpass near Crystal Springs Avenue is flooded. At 14.0 feet, Jefferson Street at Belleview Avenue near Carilion Roanoke Memorial Hospital begins to flood. * ADDITIONAL DETAILS. - At 3:20 PM EDT Friday the stage was 11.6 feet. - Bankfull stage is 10.0 feet. - Recent Activity. The maximum river stage in the 24 hours ending at 3:20 PM EDT Friday was 11.6 feet. - Forecast. The river is expected to rise to a crest of 12.6 feet this evening. It will then fall below flood stage tomorrow morning. - Flood stage is 10.0 feet.

* WHAT. Flooding caused by excessive rainfall continues. * WHERE. Portions of southwest and west central Virginia, including the following counties and independent cities, in southwest Virginia, Craig. In west central Virginia, City of Roanoke, City of Salem and Roanoke. * WHEN. Until 745 AM EDT Saturday. * IMPACTS. Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Streams continue to rise due to excess runoff from earlier rainfall. * ADDITIONAL DETAILS. - At 1110 PM EDT, Doppler radar and automated rain gauges indicated heavy rain. Flooding is already occurring in the warned area. Between 2 and 4 inches of rain have fallen. - This includes the following streams and drainages. Back Creek, Bee Branch and Barbours Creek. - Some locations that will experience flooding include. Roanoke, Salem, Vinton, New Castle, Catawba, Sinking Creek and Bent Mountain. - This includes the following locations. The Salem Fairgrounds and Roanoke Regional Airport. - http://www.weather.gov/safety/flood

The Flood Warning is extended for the following rivers in Virginia. Roanoke River At Roanoke affecting Roanoke, City of Roanoke and City of Salem independent cities. For the Roanoke River. including Roanoke, Sandy Level, Altavista, Brookneal, Randolph. Moderate flooding is forecast. * WHAT. Moderate flooding is occurring and moderate flooding is forecast. * WHERE. Roanoke River at Roanoke. * WHEN. Until late tomorrow evening. * IMPACTS. At 11.0 feet, Wiley Drive at the railroad underpass near Crystal Springs Avenue is flooded. At 14.0 feet, Jefferson Street at Belleview Avenue near Carilion Roanoke Memorial Hospital begins to flood. * ADDITIONAL DETAILS. - At 9:20 PM EDT Friday the stage was 13.1 feet. - Bankfull stage is 10.0 feet. - Recent Activity. The maximum river stage in the 24 hours ending at 9:20 PM EDT Friday was 13.2 feet. - Forecast. The river is expected to rise to a crest of 13.3 feet just after midnight tonight. It will then fall below flood stage late tomorrow morning. - Flood stage is 10.0 feet.

The Flood Warning continues for the following rivers in Virginia. West Virginia. New River at Glen Lyn affecting Giles, Monroe, Mercer and Summers Counties. New River at Radford affecting Montgomery, City of Radford and Pulaski independent cities. New River Near Galax affecting Carroll, Grayson and City of Galax independent cities. New River at Allisonia affecting Wythe and Pulaski Counties. For the New River. including Galax, Allisonia, Radford, Glen Lyn. Major flooding is forecast. * WHAT. Moderate flooding is occurring and major flooding is forecast. * WHERE. New River at Glen Lyn. * WHEN. From this evening to late Monday morning. * ADDITIONAL DETAILS. - At 8:30 PM EDT Friday the stage was 16.0 feet. - Bankfull stage is 11.0 feet. - Recent Activity. The maximum river stage in the 24 hours ending at 8:30 PM EDT Friday was 16.0 feet. - Forecast. The river is expected to rise to a crest of 21.3 feet tomorrow evening. It will then fall below flood stage late Sunday evening. - Flood stage is 15.0 feet.

The Flood Warning continues for the following rivers in Virginia. West Virginia. New River at Glen Lyn affecting Giles, Monroe, Mercer and Summers Counties. New River at Radford affecting Montgomery, City of Radford and Pulaski independent cities. New River Near Galax affecting Carroll, Grayson and City of Galax independent cities. New River at Allisonia affecting Wythe and Pulaski Counties. For the New River. including Galax, Allisonia, Radford, Glen Lyn. Major flooding is forecast. * WHAT. Major flooding is occurring and major flooding is forecast. * WHERE. New River near Galax. * WHEN. Until early Sunday morning. * ADDITIONAL DETAILS. - At 8:30 PM EDT Friday the stage was 20.7 feet. - Bankfull stage is 5.0 feet. - Recent Activity. The maximum river stage in the 24 hours ending at 8:30 PM EDT Friday was 20.7 feet. - Forecast. The river is expected to rise to a crest of 22.0 feet just after midnight tonight. It will then fall below flood stage tomorrow afternoon. - Flood stage is 9.0 feet.

The Flood Warning continues for the following rivers in Virginia. West Virginia. New River at Glen Lyn affecting Giles, Monroe, Mercer and Summers Counties. New River at Radford affecting Montgomery, City of Radford and Pulaski independent cities. New River Near Galax affecting Carroll, Grayson and City of Galax independent cities. New River at Allisonia affecting Wythe and Pulaski Counties. For the New River. including Galax, Allisonia, Radford, Glen Lyn. Major flooding is forecast. * WHAT. Major flooding is occurring and major flooding is forecast. * WHERE. New River at Allisonia. * WHEN. Until Sunday evening. * ADDITIONAL DETAILS. - At 8:30 PM EDT Friday the stage was 20.0 feet. - Bankfull stage is 7.0 feet. - Recent Activity. The maximum river stage in the 24 hours ending at 8:30 PM EDT Friday was 20.0 feet. - Forecast. The river is expected to rise to a crest of 21.0 feet just after midnight tonight. It will then fall below flood stage Sunday morning. - Flood stage is 8.0 feet.

The Flood Warning continues for the following rivers in Virginia. West Virginia. New River at Glen Lyn affecting Giles, Monroe, Mercer and Summers Counties. New River at Radford affecting Montgomery, City of Radford and Pulaski independent cities. New River Near Galax affecting Carroll, Grayson and City of Galax independent cities. New River at Allisonia affecting Wythe and Pulaski Counties. For the New River. including Galax, Allisonia, Radford, Glen Lyn. Major flooding is forecast. * WHAT. Major flooding is occurring and major flooding is forecast. * WHERE. New River at Radford. * WHEN. Until late Sunday evening. * IMPACTS. At 28.0 feet, Green Hill Apartments parking lot floods and Radford University student apartment parking lots are affected. * ADDITIONAL DETAILS. - At 8:15 PM EDT Friday the stage was 23.7 feet. - Bankfull stage is 10.0 feet. - Recent Activity. The maximum river stage in the 24 hours ending at 8:15 PM EDT Friday was 23.7 feet. - Forecast. The river is expected to rise to a crest of 27.5 feet early tomorrow afternoon. It will then fall below flood stage Sunday afternoon. - Flood stage is 14.0 feet.

* WHAT. Flooding caused by excessive rainfall continues. * WHERE. A portion of southwest Virginia, including the following counties and independent city, City of Radford, Giles and Pulaski. * WHEN. Until 900 AM EDT Saturday. * IMPACTS. Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Low-water crossings may be inundated with water and may not be passable. * ADDITIONAL DETAILS. - At 857 PM EDT, Doppler radar indicated heavy rain due to thunderstorms, though rainfall has ended. Flooding is ongoing or expected to begin shortly in the warned area. Between 2 and 4 inches of rain have fallen. - Flooding impacts will continue, but no additional rainfall is expected. - Some locations that will experience flooding include. Radford, Pulaski, Pearisburg, Dublin, Narrows, Pembroke and Poplar Hill. - http://www.weather.gov/safety/flood

FFWRNK The National Weather Service in Blacksburg has extended the * Flash Flood Warning for. Carroll County in southwestern Virginia. Wythe County in southwestern Virginia. The City of Galax in southwestern Virginia. * Until 900 AM EDT Saturday. * At 712 PM EDT, Doppler radar and automated rain gauges indicated that rainfall has exited the area. However, runoff from between 6 and 9 inches of rain that fell earlier today continues to collect in area rivers, and will cause rapid rises through the evening. Several roads have been damaged by intense flooding, with some areas completely flooded. This is a FLASH FLOOD EMERGENCY for Wythe and Carroll Counties. This is a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER GROUND NOW! HAZARD. Life threatening rapid river rises. SOURCE. Radar and automated gauges. IMPACT. This is a PARTICULARLY DANGEROUS SITUATION. REMAIN AT HIGHER GROUND! Life threatening flooding of low water crossings, small creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include. Wytheville. Galax. Hillsville. Rural Retreat. Patterson. Max Meadows. Fancy Gap. This includes the following streams and drainages. Brown Lick Branch, Brannon Branch, Brushy Fork, Buddle Branch, Burks Fork, Ararat River, Big Reed Island Creek and Brush Creek.

* WHAT. Flooding caused by excessive rainfall is expected. * WHERE. A portion of southwest Virginia, including the following county, Floyd. * WHEN. Until 345 AM EDT Saturday. * IMPACTS. Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS. - At 639 PM EDT, Doppler radar indicated heavy rain due to thunderstorms. Flooding is ongoing or expected to begin shortly in the warned area. Between 4 and 6 inches of rain have fallen. - This includes the following streams and drainages. Dodd Creek, Boothe Creek, Beaverdam Creek, Brush Creek, Dobbins Creek, Greasy Creek, Burks Fork, Dan River, East Prong Furnace Creek, Big Indian Creek, Deepwater Creek and Beaver Creek. Flooding impacts will continue, but no additional rainfall is expected. - Some locations that will experience flooding include. Floyd, Willis, Indian Valley, Copper Hill, Alum Ridge, Rocky Knob Summit and Terrys Fork. - http://www.weather.gov/safety/flood

* WHAT. Flooding caused by excessive rainfall is expected. * WHERE. A portion of west central Virginia, including the following counties and independent city, Alleghany VA, Botetourt and City of Covington. * WHEN. Until 330 AM EDT Saturday. * IMPACTS. Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS. - At 636 PM EDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. Flooding is already occurring in the warned area. Between 2 and 4 inches of rain have fallen. - This includes the following streams and drainages. Barbours Creek, Allen Creek, Bens Run, Big Hollow Branch, Brushy Lick, Blue Suck Branch, Beckner Branch, Blue Spring Run, Broad Run, Big Run, Buffalo Creek, Back Run and Back Creek. Flooding impacts will continue, but no additional rainfall is expected. - Some locations that will experience flooding include. Alleghany, Covington, Clifton Forge, Buchanan, Troutville, Oriskany and Eagle Rock. - http://www.weather.gov/safety/flood