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SPC Outlook Verification Portal
Links to Outlook Verification
Outlook verification (lightning and severe probabilities) for previous days have been archived since the middle of January 2004. You can retrieve links to SPC 1, 2, and 3 Day Outlooks with the same valid time by entering the verifying date in YYYYMMDD format.

Prior to 2004, most Day 1 Outlook plots (back to April 24, 2002) are available here.