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A Lesser Mild for our Carolina Climate...

Jason Samenow @ 12:51 AM

Yesterday marked the 10th straight day of above average high temperatures -- all of which exceeded 50 degrees at Reagan National Airport. From now through the weekend, above average temperatures will continue -- but just marginally so and with possible exceptions...


Forecast Confidence: High-Very HighSunny, crisp. High pressure will be centered smack dab over the region promoting abundant sunshine. In the spite of the chilly airmass overhead, most locations will probably reach 50 or so. Overnight, it will be clear and cold, with lows 25-32 (suburbs-city).


Forecast Confidence:Medium-HighIncreasing PM clouds, somewhat mild. As the high moves offshore and low pressure develops in the Midwest -- we'll be in between weather systems. A likely increase in afternoon clouds will prevent temperatures from rising much above the low 50s. Overnight, a blanket of clouds will persist over the region, with low temperatures 35-40.


Forecast Confidence: MediumOvercast, cooler. Despite a warm front approaching from the south, an area of cold high pressure positioned to our north may direct some cooler air over the area. Given cloud cover and the cooler flow, high temperatures may struggle to reach the mid 40s. Overnight, a wave of low pressure will produce some rain, especially late -- with temperatures steady in the 40s.

The Weekend

Forecast Confidence: Medium-HighSaturday morning rain, followed by clearing skies. A cold front will pass through the area Saturday morning, bringing rain and then gradual clearing in its wake. High temperatures should be in the low to mid 50s. Saturday night should be mostly clear with lows 27-34 (suburbs-city). On Sunday, high pressure will build in the from the west -- with highs most likely near 50.

Snow? What Snow?

Yesterday, the Snow Lover's Crystal Ball (SLCB) made a brief comeback, but I'm inclined to put it back into hibernation. The SLCB is reserved for legitimate chances of accumulating snow and I just don't see any in the next seven to 10 days. We'll probably have a rain event late Christmas Day into the day after. Some model guidance suggests the slight possibility of an upper level low producing some frozen precip in the 12/26-12/27 timeframe. But we're probably not talking about more than trivial amounts of precip and the cold air mass moving in is NOT impressive -- so I doubt we'd see much of anything sticking if we get anything at all. In the future, the SLCB will only appear for instances where there's at least a 20% chance of accumulating snow.

Pictured: AccuWeather says we have no chance of a White Christmas. We agree.

Carolina Climate arrives in DC?

The Washington Post has a feature article today headlined "Washington Warming to Southern Plants." It explains that as a result of our warming climate, the area is becoming more hospitable for more southern flora:
If Washington wasn't the South before, then now -- at least from a gardener's perspective -- the South seems to be coming to Washington.

"You could say D.C. is the new North Carolina," said Bill McLaughlin, a curator at the U.S. Botanic Garden on the Mall.
The news keeps getting worse and worse for winter weather lovers around here...

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