PM Update: Freeze Warnings expand through NJ, NY

The growing season has been ending rather progressively throughout the forecast area over the last several days. The colder than normal airmass has been enough to end the growing season officially across much of Northern New Jersey, Southeast New York and interior Connecticut. Tonight, the growing season looks to come to a close across much of the Central New Jersey Pine Barrens. Accordingly, the National Weather Service has issued Freeze Warnings for Middlesex, Western Monmouth, Mercer, Salem, Ocean, Cumberland, Atlantic, and Southeastern Burlington County — which are valid from 3:00 – 9:00 am Saturday. Freeze Watches are in effect for parts of Southeast New York and Southern Connecticut.

With temperatures expected to fall into the lower 30’s for the third straight evening and overnight period, Saturday will mark a continuation of a chilly and dry airmass. The dry airmass is becoming more notable as we approach the final week of October. New York City’s Central Park, for one example, has recorded only 0.30″ of rainfall for the month. The average to date for October is around 3.00″ — and the departure is enough to put New York City in a D-0 drought stage. The drought breaker may not come until next week, when a storm system moves through he Great Lakes and brings a cold front through the area.

NAM model, forecasting low temperatures in the lower 30's throughout much of the area early Saturday morning.

NAM model, forecasting low temperatures in the lower 30’s throughout much of the area early Saturday morning.

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Brisk, but sunny end to the week

Friday morning was the coldest of the Autumn thus far, with temperatures falling into the 20s and 30s throughout much of the interior. Even urban locations fell into the upper 30s, owing to a very cold airmass aloft and excellent radiational cooling with clear skies and light winds. The growing season officially ended across much of the area suburbs. Friday will remain feeling chillier than much of this Autumn season has, with high temperatures topping out in the middle 50s and an occasional westerly wind gust.

The plus side of the cooler airmass settled into the area will undoubtedly be the presence of abundant sunshine. Dry air remains in place — as has been the case this entire month. In fact, October 2013 is shaping up to make a run for the top 5 driest Octobers on record in New York City. The pattern, not surprisingly, looks dry through the early to middle part of next week at the very earliest. This weekend will be pleasant, albeit a bit chilly, similarly to Thursday and Friday.

Observations and radar in the Northeast early Friday morning (WeatherNut, Twitter).

Observations and radar in the Northeast early Friday morning (WeatherNut, Twitter).

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