Severe Weather Outlook - Days 4-8



Days 4 - 8 Day 4 Day 5 Day 6 Day 7 Day 8
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D4 Friday, April 27, 2018 - Saturday, April 28, 2018 D7 Monday, April 30, 2018 - Tuesday, May 1, 2018
D5 Saturday, April 28, 2018 - Sunday, April 29, 2018 D8 Tuesday, May 1, 2018 - Wednesday, May 2, 2018
D6 Sunday, April 29, 2018 - Monday, April 30, 2018 (All days are valid from 12 UTC - 12 UTC)

Note: A severe weather area depicted in the Day 4-8 period indicates a 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 highly unlikely during the entire period (e.g. less than a 30% probability for a regional severe storm area across the CONUS through the entire Day 4-8 period).