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January 5-6 Thing Storm Obs


snowfan
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4 minutes ago, wxmeddler said:

0z balloon from Sterling shows very dry air in the low levels of the atmosphere. It will take awhile for those snowflakes to make it to the surface. Talking hours.

Not sure what that would have looked like here this afternoon, but I can say it took about an hour before the virga passing overhead made it to the ground.

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4 minutes ago, wxmeddler said:

0z balloon from Sterling shows very dry air in the low levels of the atmosphere. It will take awhile for those snowflakes to make it to the surface. Talking hours.

Nothing unexpected. Better than it being 36/21 and hoping for radiational cooling to save us. 

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39 minutes ago, Jebman said:

There is a huge shield of snow heading straight for the sub. It's gonna dump and its gonnabe piling up! You guys got cold ground! INSTANT CAVING!

It is being fed by a strong feed straight out of the GoMex, too! All that prodigious moisture is gonnabe injected right into that Arctic Dome then fall as heavy heavy SNOW!

It's comin' straight for YOU, Mid Atlantic'ers!

I humbly request that the mods temporarily rename this subforum "The Snow Party Subforum" lol

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1 minute ago, TSSN+ said:

Nothing unexpected. Better than it being 36/21 and hoping for radiational cooling to save us. 

Correct. The models had this pretty well outlayed. Euro especially. Those wishing for a 9pm start time were in for a disappointment.

Totally agree on the cold to start! Rather have instant stickage than waiting for rates to overcome.

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9 minutes ago, Maestrobjwa said:

So...there are some here that don't know how to read these things. Could you be more specific?

The dewpoints (the green line) in the lower levels (below 750 HP) are very very low (well negative).  This is sometimes good in that it aids in evaporative cooling but it can be bad in that it eats up a lot of your QPF at the start. 

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Just now, cbmclean said:

The dewpoints (the green line) in the lower levels (below 750 HP) are very very low (well negative).  This is sometimes good in that it  aids in evaporative cooling but it can be bad in that it east up a lot of your QPF at the start. 

I see. Well, it seems we sometimes have to deal with virga around here and folks always sweat over it, lol

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1 minute ago, wxmeddler said:

Correct. The models had this pretty well outlayed. Euro especially. Those wishing for a 9pm start time were in for a disappointment.

Totally agree on the cold to start! Rather have instant stickage than waiting for rates to overcome.

We got up to low 40s today and still had the instant stickage. Y’all will get the goods in a few!

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11 minutes ago, jmk said:

Sister on the north side of Charlottesville reporting very light snow. 

 

In Gainesville I am starting to get under some of the action from the west but nothing yet here 

Almost 1 inch in Waynesboro pretty quickly now....

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12 minutes ago, wxmeddler said:

0z balloon from Sterling shows very dry air in the low levels of the atmosphere. It will take awhile for those snowflakes to make it to the surface. Talking hours.

Yep, my dew is still 0. Gonna take a while to moisten up the column which will keep totals down.

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4 minutes ago, yoda said:

What does that mean?

 

2 minutes ago, AACOUNTYMD said:

I love donuts, but, can you explain what kind of donuts you are talking about?  is this a good thing... Snonuts? 

Radar will get a ring shape look to the echoes as virga overspreads the area. As the near surface layer moistens up, the ring will shrink and snow will reach the surface when it’s gone.

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