Eskimo Joe
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Everything posted by Eskimo Joe
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According to my records, since moving back to Maryland in August of 2016, I haven't experienced a December snowfall greater than 3.4", or an overall snowfall of greater than 4.8". Let's see what happens tonight!
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RH spike to ~90% on all the Frederick, Carroll, Baltimore and Howard County mesonet sites. Precip is probably punching down to the surface.
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Based off mesonet data, the wet bulb temp is 32/33 degrees for everyone west of I-95. It won't take much to bump this down below more once things get started. It looks like we might waste very little, if anything at all, on getting all frozen.
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If it's a reload period with a definitive end period, that's fine. We all get worried when things just go zonal for weeks on end.
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In Union Bridge already? That's great honestly. Very happy to see things going right to frozen once precip starts.
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Ceilometer from McMillan Reservoir in DC showing a steady decrease in cloud heights. Precip is definitely starting to work towards the ground everywhere. https://ucn.cas.hamptonu.edu/viewer/?ceilometer=9&date=2025-12-14&minaltitude=0&maxaltitude=6200&minbackscatter=10&maxbackscatter=100000&colorscheme=turbo&log_z=1&min_time=0&max_time=60&filtermonths=0
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Good to see it starting as all snow. Appears to be a bit of a warm pocket in the Frederick Valley.
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Winter Weather Advisory extended to western Loudoun County
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20z HRRR is fine. Just a touch of noise.
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Been saying this all day
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Wow
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Agreed. Unlike other events, we have cold ground at night, and there's a fresh press of legit continental polar air coming in. The Bittinger mesonet site is already down to 27°, and the Frostburg site is down to 28°.
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mPING reports of all snow in southern Franklin County. Encouraging.
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Wet bulb freezing line is just west of I-95. I'm liking this storm more by the hour.
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18z NAM and HRRR have some insane lift for several hours through the DGZ. There's legit upside potential for this one.
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Anxious for the 00z LWX/PIT soundings this evening.
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18z HRRR would be low end warning snowfall for northern Baltimore/Harford/Cecil. . . .
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Mt Holly upgrading.
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Same.
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I think you get 3" of snow from this.
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12z GFS now has a surface low off the Jersey coast, which allows precip to fill in better. Looks like 0.5" QPF line bumps back from Delaware to the Harford/Cecil County line.
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That thing is the Lucy of CAMs. Always the warmest, driest model it seems.
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It's a solid run for sure.
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3:30 pm was when Mt. Holly would push their products. You always wanted to see the crawl on the lower third go "...WINTER STORM WARNING FOR THE GREATER DELAWARE VALLEY..." Pure magic.
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Wild Guess: NWS just modified the winter weather advisory for DC and I-95 south. Wonder if they're going warnings for Carroll, NW Baltimore, and NW Harford?
