Flood Watch issued September 3 at 2:42AM EDT until September 4 at

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

* WHERE...A portion of central Pennsylvania, including the following
areas, Adams, Bedford, Blair, Cambria, Cameron, Clearfield,
Columbia, Cumberland, Dauphin, Elk, Franklin, Fulton, Huntingdon,
Juniata, Lancaster, Lebanon, McKean, Mifflin, Montour, Northern
Centre, Northern Clinton, Northern Lycoming, Northumberland, Perry,
Potter, Schuylkill, Snyder, Somerset, Southern Centre, Southern
Clinton, Southern Lycoming, Sullivan, Tioga, Union, Warren and
York.

* WHEN...Through this evening.

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

* ADDITIONAL DETAILS...
- Additional, multiple rounds of heavy rain from thunderstorms will
create the threat for flash flooding of streams, creeks and poor
drainage areas today through early tonight. Rainfall rates could
exceed 3 inches per hour where several storms track
east-southeast across the same locations. There should be a lull
in the rain for several hours during the late morning and early
afternoon hours today, before the thunderstorms greatly increase
in number once again across Central Pennsylvania and the
Susquehanna Valley.
- http://www.weather.gov/safety/flood