Sussex, Warren, and Morris County remain under winter storm warnings. The winter weather advisories that were in place around the warned counties have been cancelled. Warren and Morris County were added overnight. The evening into early morning round may prompt additional statements.
Snowfall totals were significant so far in Northwestern New Jersey.
...HUNTERDON COUNTY...
WERTSVILLE 2.9 914 AM 3/23
WHITEHOUSE STATION 2.4 705 AM 3/23
LEBANON 2.1 614 AM 3/23
BETHLEHEM TWP 2.0 633 AM 3/23
FLEMINGTON 1.6 818 AM 3/23
...MERCER COUNTY...
WEST WINDSOR TWP 1.0 535 AM 3/23
HIGHTSTOWN 0.5 846 AM 3/23
...MIDDLESEX COUNTY...
METUCHEN 1.8 511 AM 3/23
EDISON 1.7 505 AM 3/23
...MONMOUTH COUNTY...
MANASQUAN 0.4 817 AM 3/23
...MORRIS COUNTY...
MILTON 7.5 750 AM 3/23
MARCELLA 7.5 629 AM 3/23
FLANDERS 6.5 805 AM 3/23
RANDOLPH TWP 6.5 559 AM 3/23
LAKE HOPATCONG 6.3 604 AM 3/23
GREEN POND 5.5 804 AM 3/23
JEFFERSON TWP 5.0 630 AM 3/23
ROCKAWAY 4.5 430 AM 3/23
LONG VALLEY 4.0 448 AM 3/23
BOONTON 2.0 910 AM 3/23
STIRLING 1.9 605 AM 3/23
...SOMERSET COUNTY...
POTTERSVILLE 2.5 819 AM 3/23
HILLSBOROUGH TWP 2.2 644 AM 3/23
BRIDGEWATER TWP 2.0 630 AM 3/23
SOMERVILLE 1.5 800 AM 3/23
...SUSSEX COUNTY...
FREDON 8.0 822 AM 3/23
SPARTA 6.0 707 AM 3/23
LAFAYETTE TWP 4.0 914 AM 3/23
NEWTON 3.8 710 AM 3/23
WANTAGE 1.8 749 AM 3/23
...WARREN COUNTY...
BLAIRSTOWN 5.0 500 AM 3/23
HACKETTSTOWN 3.5 702 AM 3/23
STEWARTSVILLE 2.8 756 AM 3/23
LIBERTY TWP 2.3 539 AM 3/23
PHILLIPSBURG 2.0 845 AM 3/23
This afternoon and tonight, the models are indicating additional precipitation moving into the region. There remains a concern that once again we could have periods of snow and sleet, possibly mixed with rain north of Interstate 195. North of Interstate 78 and 280, it may not mix with rain at all. This leaves the door open to possible additional snow accumulation. If this is the case, some of the higher elevations may see final storm totals in excess of one foot. In addition, the chance remains for colder air to filter as far south as the Atlantic City Expressway on Thursday Morning making any lingering precipitation turn back to sleet and wet snow. By the morning commute, the lingering precipitation should be more scattered but all locations could be supportive of daytime flurries and snow showers.
The warm sector remains well to the south of the region. Georgetown, Delaware is currently at 44 degrees. Locations north of the Atlantic City Expressway are in the middle and upper thirties, with even colder readings in Northern New Jersey. The warm sector could potentially lift into Extreme Southern New Jersey throughout the afternoon and evening hours. Should any of these areas get into the warm sector of the front, some temperature increase may occur which could lead to some greater instability supportive of severe thunderstorms. Currently, the slight risk designation of severe weather is in Delaware and this makes sense given how far South Jersey would have to go to overcome the current air mass. Meanwhile, radar trends out to the west show the possibility of convection even reaching into the colder, more stable areas north of the warm sector although the echoes are not the most impressive. Therefore, some low-topped convection is possible, especially south of Interstate 195. With the freezing layer relatively low, any thunderstorm has the potential to produce some hail regardless of where it forms. The higher chances of larger hail are south where a greater potential for updrafts exist. Furthermore, more aggressive convection may form late this afternoon across West Virginia and Kentucky that has the potential to survive and clip our southern areas late tonight.
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