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Jan Medium/Long Range Disco: Winter is coming


stormtracker
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2 minutes ago, H2O said:

Two camps right now.  Either a weak miller B with temp issues for 95 and NW wins, or Miller A that can shift to have temp issues for 95 and NW wins.  

Basically NW wins.

What’s nice to see is that the guidance is getting more uniform with a respectable high and confluence to our north. Makes the airmass much less marginal heading into the weekend. Euro has lows in the low 20s Friday morning with dews in the low-mid 10s. Mid 20s Saturday morning. @clskinsfan mentioned this above. Differences in the solutions now seem more on how the 2 shortwaves interact. 

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Just now, WxUSAF said:

What’s nice to see is that the guidance is getting more uniform with a respectable high and confluence to our north. Makes the airmass much less marginal heading into the weekend. Euro has lows in the low 20s Friday morning with dews in the low-mid 10s. Mid 20s Saturday morning. @clskinsfan mentioned this above. Differences in the solutions now seem more on how the 2 shortwaves interact. 

Game on, pushing chips in 24 hours

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Synoptically, that was a solid run overall. ECMWF is too warm with the thermals in the boundary layer. In fact, it has heavy snow within a deformation band over FDK into central PA with temps at 34F. That's not happening in this setup. Takes the thermals with a grain of salt. UL progression was still good and is well within the envelope of potential outcomes. Fall line and west are still favored and those east and south need to temper expectations. This is a classic storm with those caveats. The CAD is there, but this isn't an arctic driller. 

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6 minutes ago, WxUSAF said:

What’s nice to see is that the guidance is getting more uniform with a respectable high and confluence to our north. Makes the airmass much less marginal heading into the weekend. Euro has lows in the low 20s Friday morning with dews in the low-mid 10s. Mid 20s Saturday morning. @clskinsfan mentioned this above. Differences in the solutions now seem more on how the 2 shortwaves interact. 

For the lowlands you need a bit more help tho.  Like cold temps Sat morning is great, low dews as well.  But you need cloud cover to come in quick and cap warming.  Too much sun will warm and that cold bleed down over the fall line then takes forever.  Been there before.  Not gonna fret over thermals 4 days out just yet.

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14 minutes ago, jaydreb said:

Temps warmer compared to 0z.  DC barely holding on. 
 

image.thumb.png.d031755b61d9c79d2861733e7ee2ce7b.png

If low in that position then rain/snow line further south. 
it’s showing a tendency toward earlier start which always is better for DC.  Clear overnight with increasing clouds by dawn thus keeping temps down and onset in afternoon with a 3-5 degree temp drop after onset what with dews ranging 25-28.

Finally snow fun comes back to DC!!

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Pretty classic situation next weekend. Said it yesterday but took some heat for voicing what I was feeling after seeing the signal across all 3 ens means families.  Will say it again....this has all the makings of a big hit to the left of the fall line, I95 the usual mix zone. Still think ops will bounce around quite a bit the next several days.  But folks...we are tracking!!!

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2 minutes ago, Ralph Wiggum said:

Pretty classic situation next weekend. Said it yesterday but took some heat for voicing what I was feeling after seeing the signal across all 3 ens means families.  Will say it again....this has all the makings of a big hit to the left of the fall line, I95 the usual mix zone. Still think ops will bounce around quite a bit the next several days.  But folks...we are tracking!!!

Looks like a ton heavy precip events in next couple months. If we go down like ‘73 or ‘98 so be it but I think we will hit some big snow events too.

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