wxmeddler
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Everything posted by wxmeddler
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LWX is confident too much sfc stability, but I’m not so sure we don’t get some sort of dynamics that could break through. Won’t be widespread.
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I have a sneaking suspicion looking at satellite that places in N Baltimore and higher elevations of Harford co are plummeting right now.
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Snowing at about 6kft above DC/Baltimore:
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Out at Bacon Ridge, love that area. And yes, the snow line can be very pronounced. I've seen Trace to 2" within 30 feet vertical.
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A week before solstice and cloud cover is keeping it cool. We're barely reaching SW/LW equilibrium.
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Disappointed that we didn’t de-couple and go calm even in some of the normal inversion spots. Easily could have been 10f colder last night. Single digits even for places in NE MD.
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In the places that got at least 2" of snow cover? Easily.
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Sniffing the god*amn ozone tonight. My goodness.
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Back from a weekend in NYC, and I've missed a 50+ page thread! Darn! Gonna be a cold one tonight! Hopefully the wind dies.
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The snow depth sensor uses an echo-location ping (think bats/dolphins) to determine the depth. We've noticed that sometimes a big "spike" happens because the ping bounced off a snowflake(s) just below the sensor. This makes the sensor think that the snow top is right beneath the sensor. We have a few ideas of how we might remedy this, but we're pretty sure we're not going to be able to solve it completely. Humans with eyeballs are much more reliable!
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If BWI for the High stays at 32, it will be 2nd coldest high for 12/09 on record. Edit: Also 2nd Coldest Min Temperature with 14 this AM
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Apparently there is no fun allowed in Harrisonburg.
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There was fairly steady contraction in the virga hole on the north side of KLWX which is upstream of even northern MoCo/HoCo. The signs were there that it was gonna do the thing.
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December 5th Magic is back baby! Jebwalkin’ time.
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It took 8 hours, but it got it done!
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Woke up to check progress. Snow was getting steadily closer to the surface for the past 4 hours, but has stalled a bit in the last hour. It's trying to go through the really dry layer now.
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Reading the METAR and watching the OVCxxx trend lower is the poor man's ceilometer.
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Unless you got a radar I don't know about. The airport has a celiometer, but it just reports the first layer of strongest returns.
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Randy, I'll have you know that I glaze my donuts them to perfection. No crust here.
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So begins the painful watching of the dry air getting eroded.
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Birdie told me that the 00z LWX Balloon recorded a RH of 3.7% RH at 1300m AGL tonight.
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s/w over central high plains is notably more pronounced in past few runs of GFS helping our poor flattened out s/w get slightly more ageostrophic winds overhead us. Now, that says nothing about the metric ton of dry air between 925 and 850 left behind by the passing subsidence/high. You can have all the lift at 500 in the world and still not get precipitation at the surface if your spread at 925 is -5/-30.
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Welcome. Don't let the 's scare you. In the end it's just frozen water. The journey is sometimes more exciting than the event.
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I may be a simple man, but I see this (Euro Ensemble) for a daytime event in the 1st week of December. I'm not complaining (edit: yet).
