Unsettled Start. Mild Finish (April 17-19)

Written on 04/17/2020
Jonathan Carr

Discussion: Not much to speak of in the upper levels. A zonal jet pattern overhead with slightly negative geopotential height anomalies. We have a weak disturbance tracking through the N Mid-Atlantic US. It should move in tonight (Friday) and clear out by noon tomorrow (Saturday). Cold rain for most possibly snow mixed for NWNJ especially the highest elevations of Sussex County. Not really feeling any accumulations given the above-freezing surface temperature but maybe trace/light accums on natural surfaces overnight near High Point Monument. Not a big deal. High pressure, tracking through the S Mid-Atlantic US, should then produce a drier and milder second half of Saturday through all of Sunday. Another disturbance should then track to the SE of NJ (out in the ocean) with some rain possibly scraping parts of SENJ/ECNJ. Next week then looks milder overall but mixed conditions including a transient cold period Tuesday PM into Wednesday.

Friday (April 17) high temperatures should range from upper-40s to mid-50s NNJ to SNJ. Skies should be mixed with sun and clouds with a few passing isolated showers possible, especially in NNJ. Clouds should increase with periods of rain likely this evening. Some parts of NNJ, especially NWNJ elevations, could see some snow mix in but trace/light accumulations would be the worst of it…if anything sticks at all. Cold rain for most otherwise with SNJ favored for the least amount of rain. Winds should be light out of the SW. Overnight lows should range from upper-30s to near-50 NNJ to SNJ.

Saturday (April 18) high temperatures should range from near-50 to near-60 NNJ to SNJ. Skies should start cloudy and rainy early but improve and clear throughout the day. Winds should be breezy out of the W/NW. Overnight lows should range from near-30 to mid-40s NNJ to SNJ.

Sunday (April 19) high temperatures should reach near-60 for most areas. Skies should be partly-to-mostly sunny during the day but increase in cloud coverage afternoon into evening. Winds should be light out of the SW. Overnight lows should range from near-40 to near-50 as scattered rain moves in.  

An early look at next week indicates milder conditions in general. Highs near-60 for most days. Tuesday night into Wednesday looks like the coldest period. Tuesday daytime and Thursday the mildest. A mixed bag of sun, clouds and run-of-mill spring showers otherwise. Everyone have a great weekend and please be safe! JC

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