Forecast Last Updated at Thursday, January 18, 2018 at 7:24AM
Windy; Frigid Start; Less Cold Afternoon
A potent upper-level low overcame paltry moisture yesterday to produce a moderate snow event--more than initially expected, generally 3"-5" with few reports slightly higher. Low pressure is out to sea leaving us with a frigid morning and gusty winds. Wind chills are well below zero (below -20° on mountaintops). Blowing snow will be an issue this morning--plowing and shoveling will be mostly futile efforts today. Temperatures will be somewhat less cold by afternoon under clear skies. A gradual mild-up begins Friday and continues through Sunday. The next front arrives Monday night with showers developing Monday afternoon.
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Hi: 42 Lo: 16
Becoming sunny; Cold; NW wind 10-20 mph, AM gusts to 45 mph
Hi: 53 Lo: 21
Mostly clear; Milder temperatures; NW wind 5-15 mph
Hi: 56 Lo: 35
Mostly clear; Another step milder; NW wind 5-15 mph, gusty at higher elev's
Hi: 61 Lo: 39
Lots of sun; Mild
Hi: 54 Lo: 38
Cloudy; Afternoon & overnight rain; Turning cooler Mon. night
Tuesday - Maybe an early snow flurry, then clearing skies; Chilly; High in the upper 40s; Low in the lower 30s
Wednesday - Scattered clouds; Seasonal temperatures; High in the upper 40s; Low in the upper 20s
Dynamics overcame limited moisture yesterday adding a couple inches of snow to the original forecast total. The low is safely out to sea. We now contend with gusty morning winds and frigid temperatures. Temperatures moderate somewhat this afternoon and winds gradually settle. Besides frigid wind chills, blowing snow will keep travel hazardous--walking and driving.
This is the last arctic blast for the foreseeable future as the global pattern producing a cross-polar flow into the Central and Eastern U. S. finally relents. High pressure shifts east into the Atlantic by this weekend. We'll be in a much milder flow. Clear skies and cold ground will produce significant temperature inversions each night (valleys much colder than mountaintops tonight through Saturday night). Skies will be generally clear through Sunday.
The next front arrives Monday night. Clouds increase Monday with showers developing in the afternoon and rain Monday night.
Behind the front, temperatures are somewhat colder but not extreme. We'll call it seasonal Tuesday and Wednesday. A few flurries are possible early Tuesday morning as the front exits east.
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