Flood Watch

* WHAT...Flooding caused by excessive rainfall is possible.

* WHERE...Hampden, Hampshire and Franklin Counties in western Massachusetts, as well as Hartford and Tolland Counties in Northern Connecticut.

* WHEN...From Tuesday afternoon through Wednesday 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... - Moderate to heavy rainfall is expected to develop Tuesday afternoon into Wednesday across the Watch area. The heaviest rainfall is expected Tuesday evening into Wednesday. Excessive rainfall rates are possible, which could trigger instances of street flooding and contribute to rises on rivers, streams and larger river basins. Two to three inches of rain are expected in the Watch area, with locally higher amounts possible especially along the eastern slopes of the Berkshires and portions of western Hartford County. - http://www.weather.gov/safety/flood