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Dec 10, 2016 0830 UTC Day 3 Severe Thunderstorm Outlook
Updated: Sat Dec 10 08:20:58 UTC 2016 (Print Version | 20161210 0830Z Day 3 shapefile | 20161210 0830Z Day 3 KML)
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 Forecast Discussion
   SPC AC 100820

   Day 3 Convective Outlook  
   NWS Storm Prediction Center Norman OK
   0220 AM CST Sat Dec 10 2016

   Valid 121200Z - 131200Z

   ...NO SEVERE THUNDERSTORM AREAS FORECAST...

   ...SUMMARY...
   Showers and embedded thunderstorms will be possible across the
   central Gulf Coast states and vicinity on Monday.

   ...SYNOPSIS...
   Broad but relatively low-amplitude flow field aloft will continue
   across the Continental U.S. on Monday, as short-wave troughing
   shifts across the Midwest and eventually the Northeast.  As this
   occurs, a southeastward-moving cold front should cross the
   Appalachians during the afternoon, and then off the Atlantic and
   Gulf coasts overnight.  In the wake of this front, a cold
   continental airmass will spread across a large portion of the
   country.

   ...CENTRAL GULF COAST STATES AND VICINITY...
   While differences in the southward and eastward speed of the surface
   cold frontal advance are evident between the NAM and GFS, it appears
   that showers and a few thunderstorms will occur near the advancing
   front across the central Gulf Coast states.  Weak lapse rates -- and
   thus modest CAPE -- should hinder storm intensity, despite ample
   shear for robust updrafts.  The anticipated meager instability and
   uncertainty with respect to model differences preclude highlighting
   any severe risk areas.

   ..Goss.. 12/10/2016

   CLICK TO GET WUUS03 PTSDY3 PRODUCT

   NOTE: THE NEXT DAY 3 OUTLOOK IS SCHEDULED BY 0830Z

        
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Page last modified: December 10, 2016
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