* WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...A portion of Utah, including the following areas, Castle
Country, San Rafael Swell, Wasatch Plateau/Book Cliffs, Capitol
Reef National Park and Vicinity, Glen Canyon Recreation Area/Lake
Powell, South Central Utah and Western Canyonlands.
* WHEN...From Friday afternoon through Friday evening.
* IMPACTS...Heavy rainfall may result in flooding of slot canyons,
recent burn scars, normally dry washes and other flood-prone
locations.
* ADDITIONAL DETAILS...
- Anomalously high moisture content air will combine with a mid
level disturbance to aid in the development of strong
thunderstorms capable of heavy rainfall.
- http://www.weather.gov/safety/flood