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mattie g

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    January Discobs 2025

    in Mid Atlantic

    Posted

    45 minutes ago, WxUSAF said:

    Low of 9 btw.

    Between holidays, snow, whatever today is, and the flu going through the house, my kids have had 5 days of school in a month. I’m getting radicalized into the Maryland @mattie g

    I've started to mellow a little bit in the last year or so, but I'm still willing to make it know that I'm pissed off if Fairfax County makes a lame decision. We're two hours late today, but I've been told that they'll do that for cold mostly because the buses often take a lot longer to get going in colder conditions.

    We only got to 12, but I think that's because of the clouds that MN Transplant mentioned. Understandable call by the county to delay even if it didn't get as cold as expected.

    Mid-Atlantic Snow Totals Thread 2024-2025

    in Mid Atlantic

    Posted

    11/21: T - grauplets
    11/22: T - SnowTV for an hour or so, followed by drizzle
    12/1: T - on-and-off small snow showers for about an hour
    12/24: T - some light sleet in the morning left a coating
    1/3: 0.75” - squall/thundersnow
    1/5-1/6: 9.0" - bumped a little based on local spotter reports
    1/11: 1.0" - pretty little weekend thing
    1/14: T - light snow shower late in the evening
    1/16: T - very light, quick snow shower
    1/19: 1.0" - missed morning rates but flipped later when rates increased (light flurries on 1/20, as well)

    Seasonal Total: 11.75"

    January Discobs 2025

    in Mid Atlantic

    Posted

    46 minutes ago, wxmeddler said:

    Fresh (ie. still fluffy) snow is way more effective at longwave radiation emission than hardpack snow.

     

    44 minutes ago, LordBaltimore said:

    lots of subtleties with snowcover. New snowpack is highly insulating because of air pockets, which means lower skin temps than old snowpack due to less heat draw from the soil. Older snowpack is radiatively similar to wet soil but with higher albedo. 

    Interesting stuff. Thanks, folks!

    • Like 1

    January Discobs 2025

    in Mid Atlantic

    Posted

    1 hour ago, TSSN+ said:

    Where the snow cover is. Colder 

     

    1 hour ago, snowfan said:

    That’s long wave infrared and the darker colors = colder surfaces resulting from the deeper snowfall. 

    Interesting. We’ve still got up to 3” of glacier in many spots (plus a little fluff on top), so i wouldn’t have thought it’s just about who got snow yesterday.

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