A slow moving storm system continues to advance to the east bringing a severe weather and flash flooding threat from the Midwest to the central Gulf Coast. A Pacific storm system is expected to produce severe thunderstorms beginning late Thursday afternoon in the Northwest and Northern Rockies. Read More >
Coverage Map Notes
The coverage statistics and maps are calculated using a computer model and station data assuming ideal conditions. Coverage may be 5 to 10 percent below the computer predicted coverage for the following reasons: