The ECMWF model showing at 500mb level the Western US trough and strong ridge over Eastern US

Weekly Outlook 11/22-11/28: Cold Start…Mild Finish

A cold front with limited moisture available will move slowly east of the region today. A wave of low pressure developing off the Southeast Coast will stay well offshore as well. However, our area will fall underneath the right-rear entrance region of a 130kt+ upper-level jet streak with an amplifying upper-level trough associated with the cold front. In simpler terms, this enhances lift in our region — aiding in the development of showers later today and tonight. A period of steady light or moderate rain is even possible for Eastern Long Island and Southern New Jersey, if the low offshore comes close enough.

With the offshore coastal storm aiding in the development of clouds as well, temperatures will stay generally capped in the 40s to lower 50s. Cold air advection increases during the day as well, which will bring temperatures down into the 30s and 40s by later this evening throughout the area.

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