MN Transplant
Meteorologist-
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Yeah, the differences tonight are going to be exaggerated with the warm air advection aloft but good radiational cooling conditions. I could be +10 from IAD.
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Not sure what was surprising about DCA last night. 16 for a low. Andrews was 13. That seems like a reasonable difference.
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To this point, none of the three main climo sites have dropped to single digits.
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It was mostly the Euro that had a terrible time with surface temps. And then the RGEM closer in. The other models were more more realistic, and then the peak cold was delayed by a few hours which didn’t allow us further east to get as low.
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9.3 and still slowly dropping. Family W of Frederick is at 0.0.
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Only missed the record low by 27 degrees at IAD! (-16 in 1984)
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Looking at satellite, there was a band of clouds that helped to keep things a touch warmer along 95. The obs on the Gulf Coast are amazing. Heavy snow in Lake Charles and other places.
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Temp held steady overnight until just rolling over in the last hour. 10.8
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For those that like to look for extremes, we have a little model battle shaping up for Wednesday morning. The Euro/GEM/HRRR are all in the camp of bringing the final lobe of cold air in before sunrise on Wednesday, really getting us cold (about 5 for the metros, below zero for the favored cold spots). However, the NAM, and to a lesser extent the GFS, are slower, not getting that wave of cold in until after sunrise causing it to be about 5 degrees warmer on the lows. There is also likely to be a massive difference in morning lows on Thursday as the cold retreats. Higher elevations will flatline or even rise overnight while the cold pool locations will stay very cold.
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On behalf of the remaining no-Lombardi teams, guess I’m rooting for Buffalo.
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1/19 - The Roulette Wheel 29 Black Storm - OBS
MN Transplant replied to DDweatherman's topic in Mid Atlantic
Both, but of course everything is interrelated. Getting chilly now. -
1/19 - The Roulette Wheel 29 Black Storm - OBS
MN Transplant replied to DDweatherman's topic in Mid Atlantic
0.8" total. Complete dud. -
1/19 - The Roulette Wheel 29 Black Storm - OBS
MN Transplant replied to DDweatherman's topic in Mid Atlantic
A timing play is always difficult for us 95 and east. -
1/19 - The Roulette Wheel 29 Black Storm - OBS
MN Transplant replied to DDweatherman's topic in Mid Atlantic
Agree. Good for those who are getting rates, but this is a big nothingburger. Maybe 0.3" so far.