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Greensnow

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Posts posted by Greensnow

  1. 20 minutes ago, crossbowftw3 said:

    Anyone able to confirm/have ground truth of this ZR report from Lake Ariel? 
     

    Location: LAKE ARIEL, PA
    Description: Freezing Rain
    Magnitude: 0.80 INCH
    Report Time: 09:00 am EST - 2/4/2022
    Remarks: 

    Yes-looks like >.75 inch in the Poconos on the Lackawanna/Wayne county line. Springbrook and Moscow also with heavy freezing rain. Susquehanna and most of Lackawanna just heavy sleet.

  2. 245 PM Update:
    Cold front has slowed to a crawl across the CWA, and currently
    runs from somewhere between Elmira and Towanda PA, and more or
    less along or just north of the Susquehanna through Broome
    County, and up the Unadilla River before curving up into the
    Adirondacks. Freezing temperatures are lurking just behind the
    front. Despite hovering right around 32 degrees at BGM, we`ve
    yet to change over to snow or even a mix. Snow seems to be
    struggling to stick to the ground around Elmira and Ithaca.
    
    By 6 PM, we should start to see the cold air drop southeast a
    little faster, with the overlying warm nose finally taking shape
    behind the front, with mixed precipitation in a strip across
    most of Bradford PA and Broome Counties, and on up across the
    upper Susquehanna. The freezing temperatures, with overlying
    warm nose, will spread into the Wyoming Valley, Poconos, and
    Catskills (especially Sullivan County NY) after 11 PM or
    Midnight, with light snow taking over in the Wyoming Valley
    around dawn.
    
    Over NE PA and into the Catskills, including the Wyoming Valley,
    rain will slowly change over to a mix of sleet and freezing
    rain, with some snow mixed in, later tonight, from north to
    south. Soundings suggest the cold air depth will be sufficient
    for refreezing to sleet much of the time, though this may vary
    on elevation, with potentially more glazing in the higher
    elevations than in the valleys once the cold air finally gets
    in. Freezing rain totals have been incremented up slightly, with
    areas of 0.25 to 0.45 inches of flat ice possible in the higher
    terrain areas of the Catskills, Poconos, and mountains
    surrounding the Wyoming Valley. The valley itself will see
    varying amounts of 0.10 to 0.25 inches, with locally a half
    inch to an inch of sleet.
    
  3. BGM

    .SHORT TERM /THURSDAY THROUGH FRIDAY/...
    415 PM Update...
    Rain will change over to mostly snow across the Finger Lakes
    and along/north of the Thruway by dawn, and across an area
    roughly north of the NY-17 to I-88 corridor by late morning,
    with the cold front slowing down ahead of an incoming shortwave
    trough. The shallower cold air will continue to slowly move
    south and east, undercutting warmer air just aloft. This warm
    nose will become more entrenched as low level (925-700mb) flow
    backs more to the south. By late afternoon/early evening, snow
    will still be the main precip type roughly north of the 17/88
    corridor, with a zone of mixed precipitation extending into the
    northern Tier of PA. The "battleground" (pardon the cliche) will
    be across the Southern Tier of NY, where a sharp gradient in
    snowfall amounts will end up taking shape. For example, some of
    the higher end snowfall amounts (8 to 12 inches) will sneak into
    northern Broome County, while the Tri-Cities will be in the mix
    zone, potentially with an unusual amount of sleet. The cold
    airmass moving in is fairly deep, with a freezing layer
    extending upwards of 2000 to 3000 feet AGL, which favors
    refreezing of precip (thus sleet vs freezing rain). The leading
    edge of the colder air mass should become more shallow as it
    slowly pushes south through complex terrain into NE PA Thursday
    night. The risk of freezing rain will be greatest in NE PA and
    into Sullivan County NY, but there is still considerable
    uncertainty in the cold air depth, and its southern extent.
    Parts of southern Luzerne County may not see freezing
    temperatures until the tail end of the event, while areas
    further north in Lackawanna and Wyoming Counties could tip over
    to sleet. Somewhere in between, a narrow strip of freezing rain
    amounts over a half inch are possible Thursday Night into
    Friday morning.
    
    For this reason, we`ve extended the Winter Storm Watch south and
    east again, where the icing risk has increased, but where timing
    is still on our side. We upgraded another row of counties in NY
    to a warning, where time is getting short, and the precip
    changeover will occur by midday tomorrow.

     

  4. BGM Friday Night:yikes:

    Friday night is starting to show the hallmarks of an extremely
    cold night under Arctic high pressure. Though model guidance is
    already quite low for minimum temperatures, this is a situation
    in which guidance typically struggles to keep up. The
    atmospheric column will be extremely dry, to the point that
    model precipitable water value values are just three to six
    hundredths of an inch; it simply just does not ever get lower
    than that around here. This along with snow on the ground should
    promote ideal radiational cooling, and there is concern that
    the bottom could really fall out for temperatures. Our forecast
    has large majority of the area reaching well below zero; in many
    cases by double digits. This already skews below most guidance,
    but it should be noted that there is at least a chance for some
    locations to hit 20 below.
  5. BGM is definitely buying the warm surge leading to a mix for a significant part of this event. Every model has a big initial thump that would trigger a WSW for most of NEPA but they have not issued a watch for any of their eastern counties into NYS.

     At this time, the Scranton/Wilkes Barre area looks to see quite a bit of
    sleet mixing in Monday morning if this current track forecast comes
    to fruition and snowfall amounts would likely remain below
    warning thresholds (6" in 12 hours for PA).
  6. Didn't know what those white things falling out of the sky this AM were up here. Just enough to remind you that it can actually snow.

    Seriously- I have been up in NEPA for 25 years and have more white St. Patrick's Day vs Christmas Day. Seemed very likely when I first moved up here but for the past 20 years our winter weather is January through mid-April. Probably colder Easter Sundays than Christmas Days as well which is crazy.:weep:

  7. Yeah-this is going to be bad. I am in Healthcare and while Omicron might be more mild than Delta its transmission rate is so high that hospitalization becomes the primary issue. When we get this next wave in early January it is impacting a healthcare system with significant supply and clinician shortages. I have been optimistic that we were almost through this but extremely worried about our ability to handle a large wave of patients into an already taxed system.

    Need a distraction-like SNOW! Feels like early May up here.:D

  8. PA Totals from BGM on yesterdays light snow:

    ...PENNSYLVANIA...
    
    ...BRADFORD COUNTY...
    SAYRE 0.7 S                  0.4 IN    0730 AM 12/09   COCORAHS             
    1.0 E SAYRE                  0.1 IN    0700 AM 12/09   COOP                 
    
    ...LACKAWANNA COUNTY...
    VANDLING 0.1 NNE             0.8 IN    0700 AM 12/09   COCORAHS             
    ARCHBALD 1.6 SW              0.6 IN    0748 AM 12/09   COCORAHS             
    
    ...PIKE COUNTY...
    MILFORD 8.7 NW               0.6 IN    0700 AM 12/09   COCORAHS             
    
    ...WAYNE COUNTY...
    CANAAN - 11                  0.5 IN    0700 AM 12/09   COCORAHS        
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