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Active official alertUpdated

Flood Advisory for Johnson, WY

Official alert fields

What you need to know

Applies to
Johnson
Effective
Ends or expires
Official severity
Minor
Official urgency
Expected
Official certainty
Likely

What is happening

What: Flooding caused by excessive rainfall is expected. Impacts: Minor flooding in low-lying and poor drainage areas. Where: East Central Johnson County in north central Wyoming... When: Until 930 PM MDT.

What the bulletin says to do

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.

Full official description

Bulletin details

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...East Central Johnson County in north central Wyoming... * WHEN...Until 930 PM MDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... At 629 PM MDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1.5 and 2.5 inches of rain have fallen. This includes the following streams and drainages... South Fork Fourmile Creek, Cat Creek, Timber Draw, Red Draw, Crazy Woman Creek, Powder River, Walker Draw, Curtis Draw, Horse Creek, Indian Creek, North Fork Fourmile Creek, Fourmile Creek, Ninemile Creek and Cow Creek. Some locations that will experience flooding include... Mainly rural areas of East Central Johnson County. http://www.weather.gov/safety/flood

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

1 captured
  1. Alert

    Flood Advisory issued August 22 at 6:32PM MDT until August 22 at 9:30PM MDT by NWS Riverton WY

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Riverton WY. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Alert
Last collected
Methodology and corrections