
MN Transplant
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Everything posted by MN Transplant
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2019 Mid-Atlantic Severe Wx - General Discussion
MN Transplant replied to Kmlwx's topic in Mid Atlantic
We do have thunder, which is nice to hear.- 2,802 replies
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- severe
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2019 Mid-Atlantic Severe Wx - General Discussion
MN Transplant replied to Kmlwx's topic in Mid Atlantic
Jumped almost 10 degrees here in the last 90 minutes and we still don't have much sun. 72.2- 2,802 replies
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2019 Mid-Atlantic Severe Wx - General Discussion
MN Transplant replied to Kmlwx's topic in Mid Atlantic
About a quarter inch so far. Does look like some clearing coming in 1-2 hours via the visible satellite.- 2,802 replies
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2019 Mid-Atlantic Severe Wx - General Discussion
MN Transplant replied to Kmlwx's topic in Mid Atlantic
The HRRR is almost never going to be able to nail the exact swaths of precip, so it is best to take it with a grain of salt. The thing that put a damper on any "fun" around DC in the 16z run was the stabilization of the atmosphere ahead of the main line, which gets killed off. 17z on CoD is already more impressive with the cells that pop up after this initial batch.- 2,802 replies
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2019 Mid-Atlantic Severe Wx - General Discussion
MN Transplant replied to Kmlwx's topic in Mid Atlantic
Up to 72.4 here. Solar has been up above 500 W/m2 at times, but that is in comparison to >800 on a sunny day at this time of year.- 2,802 replies
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- severe
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2019 Mid-Atlantic Severe Wx - General Discussion
MN Transplant replied to Kmlwx's topic in Mid Atlantic
Occasionally getting brief bursts of filtered sun. We aren't going to lose the higher clouds, but if we can burn off the lower stuff it'll help.- 2,802 replies
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2019 Mid-Atlantic Severe Wx - General Discussion
MN Transplant replied to Kmlwx's topic in Mid Atlantic
0.12” and it appears I am missing the pop-ups this morning too.- 2,802 replies
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40.5. DCA 43
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39.6/30
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The eternal forecast dilemma. 33 and rain or 34 and rain.
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32.7 here. Warm enough overnight to take care of the rest of the snow/ice that was on the driveway, but the elevated surfaces are still frozen.
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More lightning out west in WV/MD.
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3.5” total. ZR is mixing in now. 31.2
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You are truly one of us now.
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The orange (40dbz+) areas are fun. How about some massive kudos to the models that saw the "retreat" of the sleet line during the heavy dumps. Really impressive.
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Was sleet, back to fatties. Impressive clumps.
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Yeah, we have some graupel and rimed flakes mixing in. Still mostly -sn
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2.6”
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RadarScope indicates a lightning strike in WV with the stuff coming our way.
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2.0” now, 0.8” in the last hour. An indication of the size of this storm, it is pouring snow in my hometown in MN right now from the same system.
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For anyone worried about the “hole” to the south, that isn’t our problem from DC north. The current radar and all the modeling indicates that the second round of precip is from the expansion/enhancement of the shield from the west. The remaining question is whether that can get here in time to head off the sleet line (which is coming, but can be effectively slowed by heavier precip). Ob: Nice fat flakes falling. Not pouring snow, but not exactly a lazy fall either.
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7am CoCoRaHS ob: 1.2” snow, 0.08” precip suck it, Ferrier scheme coming down awesome in the yellows
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I’d have to think that there is something amiss with the Ferrier scheme in this scenario. That is implying a sub 5:1 ratio which is really hard to come by. That said, if you thought the 00z HRRR was bad, 01z upped the bar there.
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I’m surprised we haven’t had more days like this. Nice catch.
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January 12-13th Cold Smoke Obs and Nowcast
MN Transplant replied to Bob Chill's topic in Mid Atlantic
I didn’t really notice any non-snow forms here, but there were a lot of needle snowflakes which are just awful for accumulation.