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< Day 3 Outlook    
Day 4-8 Severe Weather Outlook Issued on Apr 3, 2020
Updated: Fri Apr 3 08:19:02 UTC 2020
D4-8 D4 D5 D6 D7 D8
 Pop.  Cities  CWAs  RFCs  Interstates  Counties  ARTCC  FEMA Regions

D4Mon, Apr 06, 2020 - Tue, Apr 07, 2020 D7Thu, Apr 09, 2020 - Fri, Apr 10, 2020
D5Tue, Apr 07, 2020 - Wed, Apr 08, 2020 D8Fri, Apr 10, 2020 - Sat, Apr 11, 2020
D6Wed, Apr 08, 2020 - Thu, Apr 09, 2020 (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 030817
   SPC AC 030817

   Day 4-8 Convective Outlook  
   NWS Storm Prediction Center Norman OK
   0317 AM CDT Fri Apr 03 2020

   Valid 061200Z - 111200Z

   ...DISCUSSION...
   A seemingly slow-to-evolve upper-air pattern is forecast during the
   extended period.  A mid-level low will move very little during the
   early part of the period and likely remain over CA.  To the east, a
   mid-level ridge over the southern Great Plains and MS Valley is
   forecast.  Isolated to scattered thunderstorms are possible
   Monday-Wednesday across portions of this broader area.  Mesoscale
   details concerning timing/placement of storms, some of which may be
   strong to severe, are too uncertain at this time.  By late in the
   extended period, it appears the cut-off mid-level low will gradually
   move east into the Desert Southwest/southern Rockies.  A risk for
   severe will likely materialize ahead of this feature over the
   southern Great Plains, but confidence is low regarding timing and
   possible placement of a severe area.

   ..Smith.. 04/03/2020

   CLICK TO GET WUUS48 PTSD48 PRODUCT


To retrieve previous Day 4-8 convective outlooks, enter the date YYYYMMDD (e.g., 20050310 for March 10, 2005.)
Data available since March 8, 2005.
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Page last modified: April 03, 2020
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