N.J. weather Flash flood warnings issued as severe thunderstorms, small hail and heavy downpours tu Courtesy of Chris Bakley More than half of New Jersey remains under a severe thunderstorm watch until 10 p.m. Tuesday, June 18. More stormy weather is on tap for Wednesday and Thursday. packing heavy rain and small hail have been sweeping across Tuesday afternoon, prompting the to issue a series of flash flood warnings, severe thunderstorm warnings and thunderstorm watches. Torrential rain has already turned some roads into mini rivers, with some drivers stranded in Red Bank in Monmouth County and in Rocky Hill in Somerset County, according to storm reports received by the weather service. A severe thunderstorm warning was active in Middlesex and Monmouth counties until 3 p.m., with strong storms hitting those areas and dumping rain at a rapid rate, the weather service said. Most of New Jersey 13 counties remain under a severe thunderstorm watch until 10 p.m. Tuesday, with additional clusters of storms popping up in eastern Pennsylvania and pushing their way across the Garden State. The watch is effective from Hunterdon, Somerset and Middlesex down to Cumberland and Cape May counties. Forecasters say some of the storms that develop this evening could generate wind gusts as strong as 60 to 70 mph and hail as large as ping pong balls. And an isolated tornado cannot be ruled out. Flash Flood Warning including Long Branch NJ, Tinton Falls NJ, Asbury Park NJ until 6:30 PM EDT Flash flood warnings A flash flood warning is in effect in southern Middlesex and northern Monmouth counties through 6:30 p.m., and the weather service is urging drivers to avoid driving through roads with high water levels. Another flash flood warning is in effect now through 5:45 p.m. in north central Mercer County, southern Somerset County and central Middlesex County, where up to 2 inches of rain has already fallen as of Tuesday afternoon, the weather service said. Also, a flash flood warning was issued at 3:20 p.m. for parts of Hunterdon County, including Flemington and Lambertville — and the Hopewell area of Mercer County — effective until 7:30 p.m. Excessive runoff from heavy rainfall will cause flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other drainage areas and low lying spots, the flood warning says, adding this advice to drivers. Turn around… dont drown when encountering flooded roads. Most flood deaths occur in vehicles. Courtesy of Ryan Berisha A driver captured a shot of this flooding on Milford Warren Glen Road Route 519 in Frenchtown in Hunterdon County on Tuesday, June 18. A severe thunderstorm watch has been issued for parts of DE, DC, MD, NJ, PA, VA until 10 PM EDT Flooded streets and stranded cars The weather service office in Mount Holly has received some reports of highway flooding and small hail. At about 2:10 p.m., Route 22 near Van Horne Road in Whitehouse Station in Hunterdon County was closed on the westbound side because of flooding. A trained weather spotter in the Monmouth County township of Marlboro reported penny size hail, which is about three quarters of an inch in diameter, while quarter size hail about 1 inch in diameter was reported in the Lincroft section of Middletown. At about 3:30 p.m., a trained weather spotter reported street flooding in Red Bank, with some roads closed and vehicles stranded. Cars were also stranded on a flooded street in the Somerset County borough of Rocky Hill at about 2:50 p.m., according to the National Weather Service. Main St closed at train station because of flooding. Should recede quickly post downpour! And boy did it downpour! in place for now. small hail in Tinton Falls, NJ At 4:20 p.m., the weather service said the Neshanic River in the Reaville section of East Amwell and Raritan Township in Hunterdon County has reached its flood stage and continues to rise. Hunterdon, Mercer, Middlesex, Morris and Somerset all remain under a flood advisory until 8:45 p.m. Tuesday because rivers or streams are elevated, or water is either already ponding on roads or will soon be getting deeper. This is the third straight day that New Jersey has been stuck in a , the result of a stalled frontal boundary that is allowing warm air, moisture and waves of storm systems to flow across our region. Note: For the latest storm warnings, flash flood warnings and other flood alerts, check the live National Weather Service maps here and click on your county: | | | | . DO NOT DRIVE INTO FLOOD WATEREach year, more deaths occur due to flooding than from any other thunderstorm related hazard…over half of which are because a vehicle is driven into flood water. LIVE WEATHER RADAR Len Melisurgo may be reached at . Follow him on Twitter or like him on . Find on . Registration on or use of this site constitutes acceptance of our and 2019 New Jersey On Line LLC. All rights reserved . The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, except with the prior written permission of New Jersey On Line LLC. apply to all content you upload or otherwise submit to this site.