| Event |
Flash Flood |
| -- Flood Cause |
Heavy Rain |
| State |
WYOMING |
| County/Area |
JOHNSON |
| WFO |
RIW |
| Begin Date |
07/12/2009 14:00:00 MST-7 |
| Begin Range |
16 |
| Begin Azimuth |
N |
| Begin Location |
MAYOWORTH |
| Begin Lat/Lon |
44.06/-106.81 |
| End Date |
07/12/2009 16:00:00 MST-7 |
| End Range |
16 |
| End Azimuth |
N |
| End Location |
MAYOWORTH |
| End Lat/Lon |
44.05/-106.81 |
| Deaths Direct/Indirect |
0/0 (fatality details below, when available...) |
| Injuries Direct/Indirect |
0/0 |
| Property Damage |
5.00K |
| Crop Damage |
0.00K |
| Episode Narrative |
Moist and unstable air in place over Johnson and Natrona counties triggered afternoon and evening thunderstorms that produced very heavy rain and hail. |
| Event Narrative |
Robinson Road near the mouth of Robinson Canyon was impacted by flash flood waters when culverts became inundated due to heavy rain. Radar estimated rainfall of three to four inches occurred in the Poison Creek and Middle Fork Crazy Woman Creek drainages at the foot of the Bighorn Mountains. A county road and bridge crew was required to clear the culvert and roadway. |