Clouds

A area of tidal marsh along Sluice Creek in Dennis Township, has a dusty-green hue. The tidal salt marshes of Southern New Jersey have taken on a greenish-gray coloration the last few weeks due in part to the flooding from the recent coastal storm this past March. Hans Toft, a retired Marine Sciences teacher at Cape May Technical High School, explained the odd color is caused from silt and diatoms from algae blooms being deposited during the flood tides and clinging to the brown marsh grass. The silt and diatoms are rich in nutrients and act as a fertilizer enriching the growth of new marsh grasses which are just beginning to bloom. Tuesday April 10, 2018. (Dale Gerhard / Press of Atlantic City)

We’ll have another round of heavy rain and rising temperatures Wednesday night into Thursday as the polar plunge exits.

Temperatures Wednesday morning will be much milder than they were the past two mornings.

They have been rising through the 20s overnight and will be around 32 come sunrise.

Southwest winds will be the direction of the day, thanks to high pressure exiting offshore. It will become breezy, with sustained winds around 15 mph. Highs will be able to top out just around 50 as a result. Expect filtered sunshine through high clouds.

Temperatures then bottom out in the upper 40s early in the evening. However, a mid-level surge of warm air will push us through the 50s overnight as the rain gets underway.

The timing of the system does look slower. A start time of 10 p.m. to 1 a.m. looks to be the scenario now.

Still, a heavy rain will be the case overnight. Areas of roadway flooding will be likely, not to mention possible high water on the rivers.

In addition, winds will scream 55-75 mph about 5,000 feet above our heads, where we look to find our top wind gusts at the surface.

It’ll need a torrential downpour to drag it down, but broken tree limbs and isolated power outages will be possible.

850 mb winds

Winds at the 850 millibar level, or about 5,000 feet above the surface, will be between 55-75 mph during the time of the heaviest rainfall on Wednesday night into Thursday morning. You look to winds at this level to see what could potentially be dragged down to the surface in the event of a thunderstorm or torrential downpour. 

It will then be a slick Thursday morning commute, as the heavy rain moves overhead.

It will be a washout of a day, with rain falling through midday and into the afternoon. By the time it ends between 3 p.m. to 6 p.m., expect 0.75 to 1.50 inches of rain. There will be an outside possibility of snow ending the event.

Temperatures will drop during the day. However, a flash freeze will not be likely. Temps will not fall below freezing until around midnight.

Friday will then be a gusty day. Some morning clouds should give way to full afternoon sunshine. High temperatures will be in the mid-30s, though you’ll need extra layers as a 15 mph northwest wind will make it feel like the 20s. Saturday will then be colder but calmer.

The next time period worth watching will be Sunday into Monday. In Thursday’s edition of The Press, we will know whether to expect dry weather or wet/wintry weather.

Speaking of Thursday’s edition, please give a warm welcome to Alexa Trischler, as she returns to the weather column. She’ll be filling in for me for the next couple of days. She’ll give you the full weekend weather, plus what to expect (or not to expect) in that Sunday-Monday timeframe.

Meteorologist

This is my first newspaper but not my first forecast for NJ. I graduated with a B.S. in Meteorology from Rutgers. Two TV internships gave me a taste for the newsroom. Then, after nearly 4 years in private NJ weather, I'm forecasting South Jersey for you.

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