Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northwestern Gulf Coast from south central Louisiana to the upper Texas coast today. 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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Extreme Heat and Tropical Storm Bertha Impacts

NWS Quad Cities Radar April 13, 2006