Update on Tornado and Giant Hail Threat; Updated 6:50pm

Thunderstorms are developing in Kansas from the Flint Hills west to I-135. They are currently moving NNE but will turn more to the northeast over time. The yellow polygon is a severe thunderstorm warning as of 6:48pm. These storms may produce giant hail and/or tornado(s). 

This will be the last blog update. Additional updates will be on Twitter @usweatherexpert. 

Tornado Watch Until 1am
Tornado, tennis ball-sized hail and gusts to 70 mph are possible in the yellow area, including Kansas City, Topeka, St Joseph, and Sedalia. First eastern Kansas storm of the evening is about 25 mi. SSW of Manhattan and will move NE. 

For updates, please follow me on Twitter @usweatherexpert. 

Severe Thunderstorm Watch
Hail to 2", wind gusts to 65 mph, and -- perhaps -- a tornado is possible in the yellow counties of Kansas and Nebraska. 

Mississippi Valley Threat
In addition: Here is a severe thunderstorm watch with "a couple of tornadoes possible" that includes the St. Louis Bi-State area as well as Columbia and Jefferson City in Missouri and Belleville in Illinois. It is in effect until 11pm. 


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