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The Storm Prediction Center (SPC), in Norman, Oklahoma, is part of the National Centers for Environmental Prediction.
Day 1 Convective Outlook and Probabilistic maps issued by the Storm Prediction Center during the heart of a tornado outbreak on April 7, 2006. The top map indicates the risk of general severe weather (including large hail, damaging winds, and tornadoes), while the bottom map specifically shows the risk percentage of a tornado forming within 25 miles (40 km) of any point within the enclosed area. The hatched area on the bottom map indicates a 10% or greater risk of an F2 or stronger tornado forming within 25 miles (40 km) of a point.
Graphic associated with the example mesoscale discussion.
Graphic associated with the example watch.
An example of a Day 1 fire outlook, issued in the midst of the October 2007 California wildfires.
