* WHAT...Flash flooding caused by excessive rainfall continues to be possible.
* WHERE...Portions of northern New Jersey, including the following county, Warren and east central Pennsylvania, including the following counties, Berks, Lehigh and Northampton.
* WHEN...From noon EDT today through late tonight.
* IMPACTS...Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS... - Showers and thunderstorms are expected to develop by mid-day Thursday. Some of these showers and thunderstorms are expected to produce very heavy rainfall. Rainfall totals of 1-2 inches of rain can be expected with localized amounts of 3-5 inches possible in the strongest storms. Rainfall rates within these thunderstorms may reach up to 1 to 3 inches per hour at times. - http://www.weather.gov/safety/flood