* WHAT...Flash flooding caused by excessive rainfall continues to be possible.
* WHERE...A portion of central Pennsylvania, including the following areas, Columbia, Dauphin, Lancaster, Lebanon, Montour, Northern Clinton, Northern Lycoming, Northumberland, Schuylkill, Snyder, Southern Clinton, Southern Lycoming, Sullivan, Union and York.
* WHEN...Until 8 PM EDT 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... - Periods of heavy rain are expected this afternoon through the evening. Rainfall amounts up to 3 inches are possible. - http://www.weather.gov/safety/flood