Flood Watch

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...A portion of central Pennsylvania, including the following counties, Adams, Cumberland, Dauphin, Lancaster, Lebanon, Perry and York.

* WHEN...From noon EDT today through this evening.

* IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas.

* ADDITIONAL DETAILS... - Multiple rounds of slow moving thunderstorms will be capable of producing torrential downpours, with rain rates potentially exceeding 2 inches per hour. While there is still some uncertainty regarding where the heaviest rainfall will occur, scattered instances of flash flooding will be possible. - http://www.weather.gov/safety/flood