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Day 4-8 Severe Weather Outlook Issued on Dec 28, 2017
Updated: Thu Dec 28 07:47:03 UTC 2017
Day 4-8 Severe Weather Outlook Graphics Issued on Dec 28, 2017
Day 4 Severe Weather Outlook Graphics Issued on Dec 28, 2017
Day 4 Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
No Risk Areas Forecast
Day 5 Severe Weather Outlook Graphics Issued on Dec 28, 2017
Day 5 Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
No Risk Areas Forecast
Day 6 Severe Weather Outlook Graphics Issued on Dec 28, 2017
Day 6 Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
No Risk Areas Forecast
Day 7 Severe Weather Outlook Graphics Issued on Dec 28, 2017
Day 7 Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
No Risk Areas Forecast
Day 8 Severe Weather Outlook Graphics Issued on Dec 28, 2017
Day 8 Risk Area (sq. mi.) Area Pop. Some Larger Population Centers in Risk Area
No Risk Areas Forecast
D4Sun, Dec 31, 2017 - Mon, Jan 01, 2018 D7Wed, Jan 03, 2018 - Thu, Jan 04, 2018
D5Mon, Jan 01, 2018 - Tue, Jan 02, 2018 D8Thu, Jan 04, 2018 - Fri, Jan 05, 2018
D6Tue, Jan 02, 2018 - Wed, Jan 03, 2018 (All days are valid from 12 UTC - 12 UTC the following day)
Note: A severe weather area depicted in the Day 4-8 period indicates 15%, 30% or higher probability for severe thunderstorms within 25 miles of any point.
PREDICTABILITY TOO LOW is used to indicate severe storms may be possible based on some model scenarios. However, the location or occurrence of severe storms are in doubt due to: 1) large differences in the deterministic model solutions, 2) large spread in the ensemble guidance, and/or 3) minimal run-to-run continuity.
POTENTIAL TOO LOW means the threat for a regional area of organized severe storms appears unlikely (i.e., less than 15%) for the forecast day.
 Forecast Discussion

   ZCZC SPCSWOD48 ALL
   ACUS48 KWNS 280745
   SPC AC 280745

   Day 4-8 Convective Outlook  
   NWS Storm Prediction Center Norman OK
   0145 AM CST Thu Dec 28 2017

   Valid 311200Z - 051200Z

   ...DISCUSSION...
   Large-scale pattern continues to favor offshore flow along the
   Atlantic and Gulf coasts such that moisture/instability will
   struggle to advance inland during the medium-range period.
   Seasonally cold continental air masses will dominant into early next
   week and organized severe thunderstorm potential will remain very
   low.

   ..Darrow.. 12/28/2017

   CLICK TO GET WUUS48 PTSD48 PRODUCT
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Page last modified: December 28, 2017
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