Full Notification

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

* WHERE...A portion of central Pennsylvania, including the following areas, Adams, Columbia, Cumberland, Dauphin, Juniata, Lancaster, Lebanon, Montour, Northern Lycoming, Northumberland, Perry, Schuylkill, Snyder, Southern Lycoming, Sullivan, Tioga, Union and York.

* WHEN...Until midnight EDT tonight.

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

* ADDITIONAL DETAILS... - Slow moving thunderstorms may produce locally heavy rainfall this afternoon through the late evening. Rainfall amounts of 2 to 4 inches over a short duration are possible in the watch area. - http://www.weather.gov/safety/flood

* AFFECTED AREAS: JUNIATA ... TIOGA ... NORTHERN LYCOMING ... SULLIVAN ... SOUTHERN LYCOMING ... UNION ... SNYDER ... MONTOUR ... NORTHUMBERLAND ... COLUMBIA ... PERRY ... DAUPHIN ... SCHUYLKILL ... LEBANON ... CUMBERLAND ... ADAMS ... YORK ... LANCASTER

Instructions:

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.