NWS Special Weather Statement (Ashe County)

Current Conditions
Jefferson

Temp: 21.2°F

Forecast Last Updated at Tuesday, December 1, 2020 at 6:24PM

Thank You December

Evening snow showers will eventually taper to flurries and shut down overnight. Skies clear by first thing tomorrow morning leading to a sunny and less cold Wednesday. We will then take another step warmer Thursday but introduce more clouds.

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Tuesday Hi: 27 Lo: 19 Scattered snow showers & flurries tapering off late; Gradually becoming mostly clear; Very cold; NW wind 10-20 mph gusting to 40;

Wednesday Hi: 42 Lo: 21 Sunny; Not quite as cold by afternoon; NW wind 10-20 mph, AM gusts to 40 mph, diminishing late

Thursday Hi: 50 Lo: 34 Partly cloudy with increasing clouds Thurs. night; Not as cold; SW wind 5-15 mph

Friday Hi: 45 Lo: 30 Mostly cloudy; Daytime rain; Rain mixing with and changing to light snow late Fri. night

Saturday Hi: 40 Lo: 29 Mostly cloudy; Lingering morning light snow and flurries; Chilly

Further Out

Sunday - Sunny early with increasing late-day clouds; Remaining cool; Flurries or scattered snow showers possible late Sun. night; High in the mid 40s; Low in the mid 20s
Monday - Cloudy early with lingering flurries or snow showers; Decreasing afternoon clouds; Colder; High in the upper 30s; Low in the mid 20s

Forecast Discussion

Intense low pressure is moving into southern Quebec this evening heading north. The backwash of cold and moist air doesn't let up until tonight. Snow showers have already begun to taper to flurries this evening, and they will shutdown overnight yielding to clearing skies.

High pressure builds overhead Wednesday and moves off the coast Thursday afternoon. After a cold and windy start tomorrow morning the afternoon finishes less cold and windy. Thursday is another big step less cold as a milder southwest wind develops on the backside of the transitioning high.

Then it gets complicated. Low pressure develops in the northwestern Gulf tomorrow and slowly moves east eventually jumping to the Carolinas coast Saturday. Light rain develops Friday morning and continues through the day before mixing with and changing to snow in the wee hours of Saturday morning. Computer guidance is in disagreement regarding the speed of a trailing upper level feature moving east from the Mississippi Valley Saturday. We have cautiously excluded that slow option from the forecast cycle today. However, if it proves true Friday's rain will be delayed and continue into Saturday before changing over to snow late Saturday and continuing into Sunday. That would mean the weekend is a lot different than advertised. Stay tuned...

Either way, a clipper-type feature visits us from the north Sunday night dragging down colder air and brief snow showers or flurries Monday morning.

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