Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

Severe thunderstorms with heavy rainfall will be possible across the southern Appalachians through this evening. Thunderstorms are also expected from the northern/central Plains into portions of the Midwest through Tuesday, and severe storms may produce large hail and damaging wind gusts. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Radar images from April 13th, 2006. Click on images for larger view.
WSR-88D radar reflectivity images of the Iowa City tornadic supercell thunderstorm at 624, 629 and 633 pm. The scale is on the left in each figure. Warmer colors indicate higher intensity and cooler colors indicate lesser intensities.	WSR-88D radar velocity images of the Iowa City tornadic supercell thunderstorm at 624, 629 and 633 pm. The scale is on the left in each figure. Green shades indicate motion toward the radar and red shades indicate motion away from the radar. The radar is located to the east (right) on the image. A counter clockwise circulation (called a mesocyclone) is apparent just south of Iowa City at 633 pm where the green (toward the radar) and red (away from the radar) are adjacent to each other.

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Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

NWS Quad Cities Radar April 13, 2006