Dec 16, 2021 0700 UTC Day 2 Convective Outlook
Updated: Thu Dec 16 06:41:36 UTC 2021 (20211216 0700Z Day 2 shapefile | 20211216 0700Z Day 2 KML)
Probabilistic to Categorical Outlook Conversion Table
Categorical Graphic
20211216 0700 UTC Day 2 Outlook Graphic
Day 2 Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
MARGINAL 28,360 7,022,095 Dallas, TX...Fort Worth, TX...Arlington, TX...Plano, TX...Garland, TX...
Probabilistic Tornado Graphic
20211216 0700 UTC Day 2 Tornado Probabilities Graphic
Probability of a tornado within 25 miles of a point.
Hatched Area: 10% or greater probability of EF2 - EF5 tornadoes within 25 miles of a point.
Day 2 Tornado Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
No Risk Areas Forecast
Probabilistic Damaging Wind Graphic
20211216 0700 UTC Day 2 Damaging Wind Probabilities Graphic
Probability of damaging thunderstorm winds or wind gusts of 50 knots or higher within 25 miles of a point.
Hatched Area: 10% of greater probability of wind gusts 65 knots or greater within 25 miles of a point.
Day 2 Wind Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
5 % 28,467 7,032,904 Dallas, TX...Fort Worth, TX...Arlington, TX...Plano, TX...Garland, TX...
Probabilistic Large Hail Graphic
20211216 0700 UTC Day 2 Large Hail Probabilities Graphic
Probability of hail 1" or larger within 25 miles of a point.
Hatched Area: 10% or greater probability of hail 2" or larger within 25 miles of a point.
Day 2 Hail Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
5 % 28,379 7,028,983 Dallas, TX...Fort Worth, TX...Arlington, TX...Plano, TX...Garland, TX...
   SPC AC 160641

   Day 2 Convective Outlook  
   NWS Storm Prediction Center Norman OK
   1241 AM CST Thu Dec 16 2021

   Valid 171200Z - 181200Z

   ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF
   NORTH TEXAS AND SOUTHEAST OKLAHOMA...

   ...SUMMARY...
   Thunderstorms associated with strong wind gusts and hail will be
   possible in north Texas and southeast Oklahoma Friday evening.

   ...North Texas/Southeast Oklahoma...
   An upper-level trough will move eastward across the central and
   northern Plains on Friday as west to southwest mid-level flow
   remains in place from the southern Plains to the Eastern Seaboard.
   At the surface, a cold front will advance southeastward into the
   southern Plains during the day. The front is forecast to move
   through southern Oklahoma reaching north Texas during the evening.
   Ahead of the front, surface dewpoints will be near 60 F with an axis
   of instability developing ahead of the front. Forecast soundings
   have MLCAPE peaking between 500 and 1000 J/kg. This combined with
   0-6 km shear in the 45 to 50 kt range should support a threat for
   strong wind gusts and hail. Low-level convergence will be the main
   driver for convective initiation. The lack of large-scale ascent and
   relatively weak instability should keep any severe threat marginal.

   ..Broyles.. 12/16/2021

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   NOTE: THE NEXT DAY 2 OUTLOOK IS SCHEDULED BY 1730Z