The National Weather Service in Riverton has issued a

* Small Stream Flood Advisory for...
Southeastern Sweetwater County in south central Wyoming...

* Until 815 PM MDT.

* At 524 PM MDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause small stream flooding. Between 1
and 2 inches of rain have fallen over the past two hours.

* Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.

Some locations that will experience flooding include...
mainly rural areas of Southeastern Sweetwater County

Thunderstorms continue to persist in this area, with another 0.5 to
1 inch of rain possible over the next couple of hours.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for flooding even in locations not receiving rain.
Arroyos, streams, and rivers can become raging killer currents in a
matter of minutes, even from distant rainfall.

&&

...THE SMALL STREAM FLOOD ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT
THIS EVENING FOR SOUTH CENTRAL SWEETWATER COUNTY...

At 340 PM MDT, Doppler radar indicated heavy rain due to
thunderstorms. This will cause small stream flooding. Between 1 and
1.5 inches of rain have fallen.

Some locations that will experience flooding include...
mainly rural areas of South Central Sweetwater County

The drainages of most concern are Salt Wells Creek, East Salt Well
Creek, and Dry Canyon Wash. There could be some flooding in any
flood prone areas along Highway 430 south of Rock Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, country roads, farmland, and other low lying
spots.

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.

&&