SPC AC 150813

   Day 3 Convective Outlook  
   NWS Storm Prediction Center Norman OK
   0213 AM CST Sun Jan 15 2017

   Valid 171200Z - 181200Z

   ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF
   THE LOWER TO MIDDLE TEXAS COAST...

   ...SUMMARY...
   A marginal severe threat will be possible in the Texas Coastal
   Plains near and to the north of Corpus Christi, Texas on Tuesday.

   ...Lower to Middle Texas Coastal Plains...
   An upper-level low near Baja California is forecast to move slowly
   eastward on Tuesday as southwest mid-level flow remains located
   across the southern Plains. A cold front is forecast to move slowly
   southward to the lower to middle Texas coast by Tuesday afternoon
   with surface dewpoints in the coastal areas remaining in the 60s F.
   Some instability may develop by afternoon south of the front mainly
   in the vicinity of Corpus Christi. NAM forecast soundings in this
   area at 21Z on Tuesday show surface dewpoints in the mid 60s F,
   SBCAPE near 500 J/kg and 0-6 km shear of 55 to 60 kts. This may be
   enough for a potential for hail and marginally severe wind gusts
   with surface based storms that develop along and just to the south
   of the front. The area with the greatest potential for marginally
   severe convection will depend upon the exact position of the cold
   front by Tuesday afternoon.

   ..Broyles.. 01/15/2017

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