hstorm
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Everything posted by hstorm
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Seems mainly due to an increase in QPF (which leads to more front-end snow). Overall thermals seem largely the same as 12z.
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FWIW (likely not much), 18z HRRR appears to be a little colder both aloft and at the surface than 12z.
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Only need to go back 20 years: https://www.magnoliareporter.com/news_and_business/regional_news/article_2bc7cc1c-2b70-11e1-a4d1-0019bb2963f4.html Nice to see the WWA extended to cover us, though skeptical of the "light ice glaze" risk.
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GFS looks slightly colder than 6z.
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That was my very amateur read as well. Looked almost identical to 18z.
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I will take this as gospel with our 340' elevation. More seriously and on topic, agree that past experience suggests a significant NW/SE FFX county gradient in NoVA.
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Don't know about VA generally, but here is the Fairfax County LiDAR site: https://www.fairfaxcounty.gov/maps/topographic-data
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Same 108 hour time, right? Just 10:1 vs. Kuchera.
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Light snow in Great Falls. 40 degrees.
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57.9/29.3 today in Great Falls.
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26.8 for our low.
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46.4/23.4 today in Great Falls. Today was the end for the last few patches of snow on the north side of our house.
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I'm just making an assumption, but it looks like the temperature output is somewhat skewed over water. For example, it seems unlikely that all of Norway would be -10 to -25 C (which is below normal), while the air temperature just off the coast is 0 to 5 (which, as you note, would be well above normal). The gradient tracks the coast perfectly, which seems to me to be a red flag. (I could be entirely wrong here. Just using logic and not any science.)
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Seasonable now is very close to what seasonable was 10 years ago.
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Looks like 1” in Great Falls (measured very unofficially on my car top; too hard to get a good measurement on the grass).
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Beautiful to wake up to the snow covered ground. Didn’t go out to measure but certainly more than last winter’s total in Great Falls. 32.9 degrees.
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Down to 34.9.
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36.1 with snow now mixing in Great Falls
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36.7 in Great Falls. Still all rain.
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Down from 57 to 53 in the last few minutes in Great Falls
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I believe the correct word is sarcasm.
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Rain and a rumble of thunder just started in Great Falls. 53 degrees.
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FWIW (not much), Pivotal Weather's NAM map is in between WB and TT.
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30.9 this morning in Great Falls. Interesting that IAD only appears to have made it down to 35. Nice to see a sunrise for the first time in a while.
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32.4 for the low in Great Falls.
