THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 525 IN EFFECT UNTIL 8 PM EDT THIS EVENING FOR THE FOLLOWING AREAS IN PENNSYLVANIA THIS WATCH INCLUDES 18 COUNTIES IN CENTRAL PENNSYLVANIA ADAMS COLUMBIA CUMBERLAND DAUPHIN FRANKLIN FULTON HUNTINGDON JUNIATA LANCASTER LEBANON MIFFLIN MONTOUR NORTHUMBERLAND PERRY SCHUYLKILL SNYDER UNION YORK THIS INCLUDES THE CITIES OF BERWICK, BLOOMSBURG, CARLISLE, CHAMBERSBURG, DANVILLE, GETTYSBURG, HARRISBURG, HERSHEY, HUNTINGDON, LANCASTER, LEBANON, LEWISBURG, LEWISTOWN, MCCONNELLSBURG, MIFFLINTOWN, MOUNT UNION, NEWPORT, POTTSVILLE, SELINSGROVE, SHAMOKIN, SUNBURY, WAYNESBORO, AND YORK.

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of central Pennsylvania, including the following counties, Adams, Cumberland, Dauphin, Lancaster, Lebanon, Schuylkill and York. * WHEN...Through late tonight. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Multiple rounds of slow-moving and occasionally training heavy showers and thunderstorms will produce rainfall rates of up to 2 inches per hour leading to rapid runoff into low lying areas and small streams and creeks. - http://www.weather.gov/safety/flood