Saturday December 2, 2023

12/2/2023

Light snow for the north on Saturday

The 1 AM surface map shows the boundary that is splitting the state, and it doesn't appear that it is going very far. It will be cooler in the north where the thermometer won't move upwards much during the day. Areas south of the front enjoy another mild day, but not quite as warm as Friday.

A weak area of low pressure passes through the slipstream between the areas of high pressure in the north and south. That will help nudge the stalled front to the south Saturday night and bring the cold in ahead of the storm on the way Sunday into Monday.

Saturday 6 AM to 7 PM - Outflow ahead of the weak low brings areas of light snow over the north where 1-3" of accumulation is possible there. To the south, a light rain shower or sprinkle is possible, with a glimpse of sun poking through at times. Highs for the day range in the 30s north to 40s south, perhaps 50° if the sun stays out long enough in spots, and wind is expected to be light for most areas.

Cooler air filters in overnight, dropping temperatures in the north into the 20s, and 30s elsewhere.

A decent snow on the way Sunday into Monday
for the interior

Guidance is coming to better agreement on how this is going to play out. This is a flat set up, with not much in the way of wind and dramatic drop in barometric pressure. While optically it appears lazy, moisture from the southwest will help add the juice it needs to bring a solid round of snowfall for areas away from the shorelines.

While the interior is set to get snow, accumulations closer to the coast become more of a challenge.

Given the passive set up, ground temperatures come into play. Most of the coast is flirting around freezing, with temperatures above freezing closest to the shores. This is where the greatest bust potential exists.

Sunday 4 AM to Monday 7 PM - Cold air from high pressure to the north is what will keep interior areas snowy. The cold air damming signatures are there. Precipitation may be light in spots Sunday morning, but it will begin to become more widespread in the afternoon and evening. Monday morning is going to be a mess. Conditions will begin to improve for most on Monday as the storm pulls way, ending in the morning over southwestern areas and by afternoon over the north. The wind begins to pick up as the energy from the low to the northwest transfers energy to the ocean low, and that picks up the snow shower machine for the mountains heading into Monday night.

This could be a situation where the shorelines could see 35° air temperature and snow falling given the low level cold. The shorelines and adjacent interior could see rain to start off and flip to snow to end.

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NOTE: The forecast information depicted on this platform is for general information purposes only for the public and is not designed or intended for commercial use. For those seeking pinpoint weather information for business operations, you should use a private sector source. For information about where to find commercial forecasters to assist your business, please message me and I will be happy to help you.

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