WxUSAF
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That plot shows the MJO hanging weakly in phase 7. MJO hasn’t really been a factor lately so I wouldn’t overly worry. A lot of variability the last 60 days or so (maybe even closer to 90) has been driven by the PAC jet and the EPO. All seems to be cycling on roughly 2 week timescales. We can already see signs of the EPO switching back to negative.
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Yeah, the same longer range ensembles suggest the Scandinavian ridge also redevelops, which could/should move toward the NAO space later in January.
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DCA struggles obviously in radiational cooling situations. This is mostly CAA, so temps are a lot more even inside and outside the UHI.
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4.8/-9 now for MBY which is also the low. Lows at the airports so far: BWI: 7 RIC: 9 IAD: 7 DCA: 9 (!!!)
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Down to 8/-7. Don’t think subzero is reachable, but could be 2-4F in the morning.
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Been awhile. Never got below 10 last winter. Probably 2019 since single digits.
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9.9! Single digits!
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12/-4. Feeling pretty good about single digits lol.
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T of actual snow. 3*T sleet.
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I’ll take it!
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Cold wind and salt on the roads and cars giving a deep winter feel
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Saw a couple trees down around Columbia, one pretty big
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I’m grasping for anything to get on the board lol
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Euro and gfs both suggest a dusting-1” early Tuesday. Maybe that can juice up a little?
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Accumulating wind at a rapid pace. 100 mph/hour?
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A couple wicked gusts just now. 50+?
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Temp down to 32. Flash freeze imminent! Can it keep snowing for a little and accumulate?
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Come on baby, daddy wants to slant stick 0.1”…
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And now snow in Columbia
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Whoa! Bring it over friend! Squinting at radar, maybe a hint of a meso low near DC enhancing precipitation in central MD?
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Oh look! Here comes Santa Hoff spreading holiday cheer to all the weenies!
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Crazy mix now in Columbia. Snow, graupel, and rain. eta…temp dropped from 42 to 38 in 2-3 mins and dropping still.
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Those high reflectivities are lit up on correlation coefficient radar. Probably graupel and snow mixed in.
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As the front is passing in NC
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All guidance except the euro puts most of MD and NoVA in the single digits by tonight and tomorrow morning. Euro keeps the single digits above the fall line or even a little more N/W.
