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Another cold front approacheth

Although there are clouds around this morning today – Wednesday – looks to be at least partly sunny with a high in the upper 60s, a swing to the warm side of the temperature pendulum as this current weather pattern continues. Cold front after cold front is marching across the nation as November ushers in the transition from a warm to a cold season regime here in Fredericksburg.  This next front will cross the I-95 corridor mid-morning Thursday as shown in this Weather Prediction Center graphic:

Unfortunately not much precipitation will accompany this boundary with amounts for the ‘Burg only totaling 0.1 inch (or less). That’s another artifact of the “zonal flow” pattern we’re dealing with:  the west-to-east motion of the jet stream isn’t allowing much moisture from the Gulf of Mexico to stream northward toward us.  Our average annual rainfall is around 43 inches and the UMW weather station has only recorded just over 30 inches to date.  Things are a bit dry!

The showers that do occur will be ongoing by sunrise but will gradually taper off after the frontal passage.  I’m thinking the spigot – such as it is – will shut off by early afternoon but the clouds will stick around until after sunset, so sunshine will be a rare commodity tomorrow.  Temperatures will top out in the mid-60s ahead of the front before starting a slow slide down to near 40 degrees Thursday night.

With more Canadian air in place the upcoming weekend looks to be sunny and pleasant.  Temperatures will reach into the mid-50s on Friday and by Sunday the thermometer will push back into the low 60s ahead of the next cold front…but more on that in the next blogpost.

 

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