Saturday, January 19, 2019

Saturday, January 19, 2019 - Evening Weather Discussion

A heck of a storm tonight into tomorrow morning, then brutally cold, then already watching for the next one…

For snowfall estimates tomorrow please see my prior post titled, “Final Snowfall Estimates”.

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Well, it will be one heck of a storm. The track is going to take the storm directly through our area, with heavy snow in northern sections, some ice in the middle, and heavy rain to the south, with everything transitioning to rain, freezing rain, or sleet overnight. There will be about a 20-degree temperature difference either side of the track of the storm, with temperatures during the storm in the low to mid 30’s north of the track and in the low to mid 50’s south of the track. The center will pass through the Southern Lehigh Valley, Hunterdon, Somerset, Union, and Hudson Counties in NJ, NYC, and through the Long Island Sound.

The precipitation will be very heavy at times overnight, with liquid equivalent amounts of 1.5-2.5 inches throughout our area, which will lead to flooding in addition to the ice and snow accumulation in some places. It will also become very windy overnight and continuing through the day tomorrow with gusts of 30-50 mph possible inland and up to 60 mph possible along the coast and on Long Island. With the storm passing right over us, it will pull warm air in behind it with highs ranging from the mid to upper 30’s in Northeastern PA to the mid 50’s in Central NJ and on Long Island. Temperatures will then start to drop dramatically in the afternoon, reaching the mid-single digits to mid-teens in much of our area by evening. This will lead to immediate freezing of any water remaining on the roads. The temperatures will then continue to fall into Monday morning, with lows reaching from 10 below zero in the coldest locations in Northeastern PA to the mid-single digits above zero along the NJ Coast, in NYC, and on Long Island.

Monday will then be variably cloudy with a chance of a snow squall, snow shower, or flurry as some Lake Effect moisture may reach our area. Highs will range from the low to mid-single digits in Northeastern PA to the mid-teens in Central NJ and on Long Island. It will also be very windy, with gusts of 30-50 mph possible, causing incredibly cold wind chill values.

Tuesday will be nice, but it will be very cold, with lows in the single digits to mid-teens and highs in the 20’s to low 30’s.

Wednesday, a cold front will approach from the west, causing rain to develop in the afternoon. Highs will be in the upper 30’s to mid-40’s.

Thursday a storm will then develop along the cold front in the Southeastern United States. The storm will then ride northward along the cold front, passing through our area Thursday. This will bring us rain, possibly changing to snow at night before ending. Highs will be in the 40’s to low 50’s.

Friday will then be variably cloudy with a chance of a snow shower or flurry as some Lake Effect moisture may reach our area. Highs will be in the mid 20’s to mid-30’s.

Next Saturday will then be nice with highs in the upper teens and 20’s.

Next Sunday things may start getting interesting as cold air will be dropping down into the United States from Canada next weekend behind Thursday’s storm. A disturbance (an Alberta clipper) will then be dropping down from Canada through the United States. As it nears the Great Lakes or Middle Atlantic States it may start to transfer its energy to a disturbance that will exist along a stalled-out frontal boundary near the Bahamas. This storm would then intensify and move northward along the East Coast. If this were to occur, areas near the Middle Atlantic Coast and into the Northeastern United States would have a chance at a very significant snowstorm next Sunday night and Monday, but that is all still a long way out and we will have to see what happens. Highs next Sunday and Monday will be in the 20’s to low 30’s.

Next Tuesday another disturbance (Alberta Clipper) may again drop down from Canada and approach the Middle Atlantic Coast, possibly developing into another Nor’easter along the Middle Atlantic Coast. This would bring us a chance of snow next Tuesday into Wednesday morning. Highs will be in the mid 20’s to low 30’s next Tuesday and the 20’s next Wednesday.

Next Thursday and Friday are then looking nice with highs in the mid teens to low 20’s.

Let’s see how all this works out and please join me first thing in the morning for the latest information.

Have a wonderful evening!

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