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Apr 15 2018 severe weather thread


downeastnc

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3 minutes ago, CheeselandSkies said:

Major impacts ongoing on both the winter and severe sides of this storm system and The "Weather" Channel hasn't had one minute of live weather coverage all afternoon. Disgraceful.

 

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The Weather Channel is really pretty much awful now, outside of a few segments.

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Mesoscale Discussion 274
< Previous MD
MD 274 graphic
   Mesoscale Discussion 0274
   NWS Storm Prediction Center Norman OK
   0731 PM CDT Sun Apr 15 2018

   Areas affected...Central VA...Central/Southeast NC...Northeast SC

   Concerning...Tornado Watch 53...54...

   Valid 160031Z - 160200Z

   The severe weather threat for Tornado Watch 53, 54 continues.

   SUMMARY...Tornado threat continues across Tornado Watches 53 and 54.

   DISCUSSION...Organized convective line continues to progress
   eastward into central VA, central NC, and northeast SC. Strong
   low-level flow exists ahead of the line. Regional VAD profiles have
   recently sampled 0-1 km bulk shear around 40 to 50 kt and 0-1 km SRH
   from 300 to 500 m2 per s2. This type of kinematic environment
   remains supportive of embedded QLCS tornadoes as well as damaging
   wind gusts. Thermodynamic environment is a little less favorable but
   enough instability (i.e. MLCAPE greater than 500 J/kg per the latest
   mesoanalysis) exist to support continued progression of the
   convective line. The northern extent of the severe threat is
   constrained by the wedge front draped from eastern WV across
   north-central VA and into the southern Delmarva Peninsula. The
   southern extent of the threat extends to the northeast SC/southeast
   NC coast.

   ..Mosier.. 04/16/2018
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Line getting nasty again, serious wind just off the ground so if that gets tapped into there should be plenty of wind reports and trees down etc with that line especially from Sanford down the Fayetteville....those small cells firing out in front of the main line have to be moving north at at least 50-60 mph...

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I'm under the "gun" now.. I hear thunder in the distance...

Winds are "CRANKING" !!!!

SUMMARY...A line of strong/severe thunderstorms over central NC will
   track northeastward across the watch area.  Very strong winds just
   above the surface will promote a risk of damaging wind gusts or
   brief tornadoes along the leading edge of the squall line.

   The tornado watch area is approximately along and 35 statute miles
   east and west of a line from 60 miles northeast of Roanoke Rapids NC
   to 15 miles south southeast of Jacksonville NC. For a complete
   depiction of the watch see the associated watch outline update
   (WOUS64 KWNS WOU5).


 

weather.JPG

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