Flood Watch

* WHAT...Flash flooding caused by excessive rainfall will be possible.

* WHERE...A portion of southwest Arizona, including the following areas, Central La Paz, Gila River Valley and Kofa.

* WHEN...From 11 AM MST this morning through this evening.

* IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, normally dry washes, and other low-lying and flood-prone locations.

* ADDITIONAL DETAILS... - The combination of abundant moisture, afternoon heating, and a weather system moving into the region will support showers and thunderstorms today through this evening. Moderate to heavy rainfall with rainfall rates in excess of 1-2 inches per hour is expected with most storms and storms may train over the same areas leading to high rainfall accumulations. - http://www.weather.gov/safety/flood