Full Notification

* WHAT...Moderate flooding is occurring and major flooding is forecast.

* WHERE...Raritan River at Manville.

* WHEN...Until early tomorrow afternoon.

* IMPACTS...At 11.0 feet, At this level, inundation begins in Dukes Park in Manville. At 12.0 feet, Cautionary/Action stage is reached. Roads and trails flood within Dukes Park. At 13.0 feet, Southside Avenue in Somerville floods. At 15.0 feet, Dukes Parkway begins to flood in Hillsborough. At 16.0 feet, Lincoln Avenue in the Lost Valley section of Manville floods. At 17.0 feet, Street and roadway flooding increases across the Manville area. The Van Veghten Bridge and Main Street in Manville are flooded as well as 5th Street in Somerville. The amount of flooding can vary from event to event and can be affected by the amount of water in the Millstone. At 18.0 feet, East Dukes Parkway and several bridges in Manville are flooded. Roads throughout the area are closed due to high water. The amount of flooding can vary from event to event and can be affected by the amount of water in the Millstone. At 19.0 feet, South Bridge Street in Somerville is closed. The amount of flooding can vary from event to event and can be affected by the amount of water in the Millstone. At 20.0 feet, Flooding becomes widespread across Manville. Flooding expands between Dukes Parkway and Brooks Blvd. The amount of flooding can vary from event to event and can be affected by the amount of water in the Millstone.

* ADDITIONAL DETAILS... - At 5:15 PM EST Monday the stage was 19.3 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 5:15 PM EST Monday was 19.3 feet. - Forecast...The river is expected to rise to a crest of 20.0 feet this evening. It will then fall below flood stage tomorrow morning. - Flood stage is 14.0 feet. - Flood History...This crest compares to a previous crest of 20.0 feet on 05/01/2014. - http://www.weather.gov/safety/flood

* AFFECTED AREAS: MIDDLESEX, NJ ... SOMERSET, NJ