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2020 Mid-Atlantic Severe Weather - General Thread


Kmlwx
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I think the winds will be legit later and any heavy shower/storm development will aid in the mixing down to surface but goes most of the time, I think the severe threat is a bit overblown for this one..we’re just a little too far north for the explosive development and that line segment 

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Just now, MN Transplant said:

No kidding.

I've been refreshing the Wyoming sounding site for a while now like an idiot because I forgot about the time change.  Will be interesting to see IAD and Roanoke's.

All the low levels clouds are clearing out pretty rapidly down here.  Event some if the mid level junk is trying to break up.

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5 minutes ago, Kmlwx said:

The new SPC D1 is pretty lame lol. For the superstitious folks out there that's probably exciting news. 

Yea they seem almost completely disinterested in anything north of RIC.

Quote

 ...Northern VA to PA area late morning into early afternoon...
   There will be a window of opportunity for surface-based storm
   development later this morning through early afternoon from VA into
   MD/DE/NJ and PA with the synoptic cold front.  Boundary-layer
   dewpoints in the upper 50s to lower 60s north of the pre-frontal
   squall line farther south, and some cloud breaks later this morning,
   should allow at least weak surface-based buoyancy to develop. 
   Vertical shear will be strong and a broken band of storms, capable
   of producing damaging winds and a couple of tornadoes, is expected
   to form and persist from roughly 16-21z (the precursor of which is
   the convection now near the OH/WV/KY border).

 

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Just now, Eskimo Joe said:

^PWAT of 19?  

   PRES   HGHT   TEMP   DWPT   RELH   MIXR   DRCT   SKNT   THTA   THTE   THTV
    hPa     m      C      C      %    g/kg    deg   knot     K      K      K 
-----------------------------------------------------------------------------
 1000.0    -12                                                               
  927.0    654   17.0  -32.0      2   0.28    210     10  296.5  297.5  296.6
  925.0    659   17.4   13.0     75  10.27    210     12  297.1  327.1  298.9
  897.6    914   15.5   12.1     80   9.96    200     29  297.7  326.9  299.5

 

DP got screwed up and is affecting the calculations.

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3 minutes ago, Eskimo Joe said:

Per some sky cams, there is some blue sky trying to work into Garrett County.  It's definitely a bit more muted than i'd like for today, but it's not going to take much instability for an active afternoon to be realized.

There's also not a whole lot of a gap between the current clouds on satellite and the clouds forming behind. Needs to hurry up and get here. 

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