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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: Arroyo and small stream flooding caused by excessive rainfall continues. Impacts: Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry arroyos. Water over roadways. Where: Southeastern Johnson County in north central Wyoming... When: Until 845 PM MDT.

What the bulletin says to do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. 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. 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...Arroyo and small stream flooding caused by excessive rainfall continues. * WHERE...Southeastern Johnson County in north central Wyoming... * WHEN...Until 845 PM MDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry arroyos. Water over roadways. * ADDITIONAL DETAILS... At 624 PM MDT, WYDOT reported heavy rain in the advisory area due to thunderstorms. This is causing flooding on WY 192 between mp 10 and mp 11. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches are expected over the area. This additional rain will result in minor flooding. Some locations that will experience flooding include... WY 192 between Kaycee and Sussex. http://www.weather.gov/safety/flood

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

2 captured
  1. Update

    Flood Advisory issued August 22 at 6:28PM MDT until August 22 at 8:45PM MDT by NWS Riverton WY

    Official revision
  2. Alert

    Flood Advisory issued August 22 at 5:43PM MDT until August 22 at 8:45PM 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
Update
Last collected
Methodology and corrections