The National Weather Service in Cheyenne has issued a * Flash Flood Warning for... West Central Dawes County in the panhandle of Nebraska... Northeastern Sioux County in the panhandle of Nebraska...
* Until 500 PM MDT. * At 159 PM MDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly
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... mainly rural areas of West Central Dawes and Northeastern Sioux Counties
This includes the following streams and drainages... Long Branch Creek, Collingwood Creek, Jim Creek, Little Cottonwood Creek, West Jim Creek, Dry Creek, Lone Tree Creek, Indian Creek, Sand Creek, Big Cottonwood Creek, Hat Creek, Dirty Creek and Whitehead Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS. Turn around, don`t drown when encountering flooded roads. Most flood deaths occur in vehicles. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain.
Do not attempt to cross flooded roads. Find an alternate route. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
The National Weather Service in Cheyenne has issued a
* Severe Thunderstorm Warning for... North central Sioux County in the Panhandle of Nebraska...
* Until 300 PM MDT.
* At 210 PM MDT, a severe thunderstorm was located near Montrose, or
28 miles south of Edgemont, and is nearly stationary.
HAZARD...Ping pong ball size hail.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect
damage to roofs, siding, windows, and vehicles.
* This severe thunderstorm will remain over mainly rural areas of
north central Sioux County.....
Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.