Severe

* WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...Central Oregon. * WHEN...From 1 AM to 10 AM PDT 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.

FFWJAX The National Weather Service in Jacksonville has issued a * Flash Flood Warning for... Northeastern Duval County in northeastern Florida... East Central Nassau County in northeastern Florida... * Until 245 AM EDT. * At 1148 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 3.5 inches of rain have fallen. Additional rainfall amounts up to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of Middle Tennessee, including the following counties, Cannon, Cumberland, De Kalb, Putnam, Smith, Van Buren, Warren, White and Wilson. * WHEN...Through Sunday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of Middle Tennessee, including the following counties, Bedford, Cheatham, Coffee, Davidson, Dickson, Giles, Grundy, Hickman, Humphreys, Lawrence, Lewis, Marshall, Maury, Perry, Rutherford, Wayne and Williamson. * WHEN...Through Sunday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Low-water crossings may be flooded.

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Okaloosa County in northwestern Florida... Santa Rosa County in northwestern Florida... * WHEN...Until 800 AM CDT 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. It will take several hours for all the water from these storms to work through local drainage systems in urban areas. * ADDITIONAL DETAILS...

FFWMOB The National Weather Service in Mobile has extended the * Flash Flood Warning for... Northern Covington County in south central Alabama... Southern Crenshaw County in south central Alabama... * Until 130 AM CDT. * At 1108 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 4 and 6 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

* WHAT...Urban areas and small streams flooding caused by excessive rainfall is expected. * WHERE...North Central Clay County in northeastern Florida... Southwestern Duval County in northeastern Florida... * WHEN...Until 215 AM EDT. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. It will take several hours for all the water from these storms to work through local drainage systems in urban areas. * ADDITIONAL DETAILS...

At 1130 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 4 and 7 inches of rain have fallen. Flooding impacts will continue, but no additional rainfall is expected. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.

At 1132 PM CDT, broadcast media reported flooding in Navarre, FL. Between 5 and 7 inches of rain have fallen. Flooding impacts will continue, but no additional rainfall is expected. Flash flooding is already occurring. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Broadcast media reported. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include...

At 1133 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 5 and 8 inches of rain have fallen. Flooding impacts will continue, but no additional rainfall is expected. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.