Flood Watch

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

* WHERE...A portion of central Pennsylvania, including the following counties, Bedford, Blair, Cambria and Somerset.

* WHEN...Through 8 AM Saturday morning.

* IMPACTS...Excessive runoff may result in flooding of creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. River flooding is also possible.

* ADDITIONAL DETAILS... - Training heavy showers and embedded thunderstorms will track southeast across the region this afternoon into tonight. Rainfall rates of 1 to 2 inches per hour will be possible. Heavy rain falling at this rate will lead to rapid runoff and flash flooding, as rainfall rates required to result in flash flooding are only 0.75 to 1.25 inches over a one hour period across the watch area. Localized storm total rainfall this afternoon through tonight could reach 3 inches in some locations, mainly to the south of Interstate 76. - http://www.weather.gov/safety/flood