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canderson

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    Central PA - Winter 2020/2021 Part 2

    in Upstate New York/Pennsylvania

    Posted

    My parents’ grid forecast in northeast Texas  is NUTS. Please pray for Texas. They can’t handle these temps ask the infrastructure and houses can’t handle it either, or the snow/ice. 
     

    Tonight
    A chance of snow and sleet, mainly after 4am. Mostly cloudy, with a low around 19. Wind chill values between 9 and 14. North wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. Total nighttime snow and sleet accumulation of less than a half inch possible. 
    Sunday
    A chance of snow and sleet before 10am, then snow likely. Cloudy and cold, with a high near 23. Wind chill values between 5 and 10. North wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow and sleet accumulation of less than one inch possible. 
    Sunday Night
    Snow. Areas of blowing snow after midnight. Low around 6. Wind chill values between -1 and -11. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible. 
    Washington's Birthday
    A 20 percent chance of snow before noon. Mostly cloudy and cold, with a high near 15. Wind chill values between -2 and -12. North northwest wind around 15 mph, with gusts as high as 25 mph. 
    Monday Night
    Mostly cloudy, with a low around 0. North northwest wind 5 to 15 mph, with gusts as high as 20 mph. 
    Tuesday
    Partly sunny and cold, with a high near 23. North northwest wind 5 to 10 mph becoming southeast in the afternoon. 
    Tuesday Night
    A 40 percent chance of snow, mainly after midnight. Cloudy, with a low around 18. East wind 5 to 10 mph. 
    Wednesday
    Snow, possibly mixed with sleet. High near 28. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
    Wednesday Night
    A 40 percent chance of snow. Cloudy, with a low around 21. North wind 10 to 15 mph. 
    Thursday
    A 20 percent chance of snow before noon. Partly sunny and cold, with a high near 30.
    Thursday Night
    Partly cloudy, with a low around 12.
    • Sad 1

    Central PA - Winter 2020/2021 Part 2

    in Upstate New York/Pennsylvania

    Posted

    18 minutes ago, Jns2183 said:

    The lows going to ride the boundary. Unless that low is tracking across southern pa with a high to our north and our vulnerability to CAD, I can’t for the life of me see a low tracking south of DC, a weak one at that, is going to send a driving rainstorm through Harrisburg. This has ice written all over it


    .

    CAD always last longer than modeled. Ice is all but guaranteed- just hope the rates are heavier.

    Central PA - Winter 2020/2021 Part 2

    in Upstate New York/Pennsylvania

    Posted

    40 minutes ago, CarlislePaWx said:

    Depending on how far below freezing the rain falls dictates how fast the accrual process is.  Currently, with MDT forecast to get 0.87" of freezing rain, it is highly unlikely that all of that rain ends up accruing.  If the temp is 30 you won't get anywhere near 0.87" of accrual.  I have no idea how cold it would have to be to even reach 0.50" of accretion.  25 degrees?  20 degrees?  Actually, another factor affecting accretion would be the intensity of the rain.  Light rain has a much higher chance to accrue versus moderate or heavy rain.

    Correct, the heavier the rate the less accretion. 

    Texas Winter 2021

    in Central/Western States

    Posted

    My parents outside Longview already have a sheet of ice on their driveway tonight. I lived there 25 years and don’t think I ever saw a sub 10 degree day so they’re in for rare territory this next week. Best wishes to all down there, things are built for that cold and snow. 

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