from: Mar 21 2018 8:00 am until: Mar 22 2018 8:00 am Winter Storm Warning level: Moderate
Possible threat to life or property - Responsive action SHOULD be taken soon (within next hour)

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Information from NOAA Storm Prediction Center at this website

More SPC info on this site: 

SPC Day 4-8 Outlook

Updates are issued at 400 am CST/CDT (0900/1000 UTC) - Current UTC time: Mar 21 2018 3:18 am


Day 1

D4Friday Mar 23 2018 - Saturday Mar 24 2018 D7Monday Mar 26 2018 - Tuesday Mar 27 2018
D5Saturday Mar 24 2018 - Sunday Mar 25 2018 D8Tuesday Mar 27 2018 - Wednesday Mar 28 2018
D6Sunday Mar 25 2018 - Monday Mar 26 2018 (All days are valid from 12 UTC - 12 UTC)
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).

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Day 2

Day 3

Largly based on original scripts from Ken True: and Rick Curly: