Heavy Rain in New Jersey, August 25 to 26, 1999

A warm front that slowly tried to move through southern New Jersey during the early morning of the 26th helped trigger thunderstorms with heavy rain. Heavy rain began in the southern part of the state around 11 p.m. EDT on the 25th and spread to Mercer and Ocean Counties by around 1 a.m. EDT on the 26th. The heavy rain ended by daybreak on the 26th. Radar estimates, SKYWARN and Hydrological spotter reports showed that storm totals averaged between 1.0 to 3.0 inches in two distinct heavy rain bands across the area. The first one was was located along the Delaware River from Camden to Mercer Counties. The second cut across eastern Atlantic County and the Pine Barrens in Burlington and Ocean Counties. Radar storm total estimates in the Pine Barrens exceeded four inches. Some poor drainage flooding occurred. Some of the worst problems occurred in Absecon (Atlantic County). The intersection of U.S. Routes 9 and 30 was closed. Several homes also had water seep into their basements. No other serious problems though were reported. Storm totals included 2.84 inches in Willingboro (Burlington County), 2.49 inches in Absecon (Atlantic County), 2.29 inches in Mount Laurel (Burlington County), 2.04 inches in Pennsauken (Camden County), 1.90 inches in Riverton (Burlington County) and 1.54 inches in Princeton (Mercer County).