May 12 2010 Severe Weather

On May 12th 2010, a strong storm system affected the Southern and Central Plains.  In the National Weather Service Topeka Kansas County Warning Area (CWA), a warm front hovered east-west just to the south of I70 most of the day, while a cold front extended from Dickinson county into South Central Kansas.  Late in the afternoon, severe thunderstorms developed along the cold front, and these moved northeastward across east central Kansas during the evening.  In the Topeka CWA...most reports of large hail and damaging winds occured over East Central Kansas...along or south of the Kansas Turpike.  See map below.  Elsewhere in theTopeka CWA...several storms produced hail a half inch in diameter or smaller, and winds of 40 to 50 mph. 

Very heavy rain also occured with several reports in central and east central Kansas of over 2".  The heaviest rain generally fell east of a line from Valley Falls to Eskridge to Council Grove.  At Topeka Billard Airport, 2.91" of rain fell from 7 AM Wednesday May 12 to 7 AM Thursday May 13.

Reports from May 12 2010.  Pink icons are wind damage or wind gust speeds in miles per hour.  Yellow icons indicate hail with diameter reports in inches.

A National Weather Service storm survey team joined Douglas County Emergency Management in the field the afternoon of May 13th to assess wind damage in southern Douglas County.  A farm sustained damage to several sheds, a concrete silo, several wooden structures on the property, and a number of trees.  Tin from the sheds was blown around one quarter of a mile downstream.  The survey team determined the damage had been caused around 11pm by 75-80 mph straight line winds due to the unidirectional damage path.   


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