EF0 Tornado Touched down in Van Buren County on June 27, 2010

A National Weather Service Survey team concluded an EF-0 tornado with winds of 65 to 85 mph occurred just south of Gobles in Van Buren County on Sunday, June 27, 2010.   The tornado touched down near 20th Ave around 1:08 PM traveled northeast for about three-quarters of a mile over a two minute period before lifting.  It was small with a maximum width of about 50 yards.  A map of the tornado's path and damage is shown below.


A graphic illustrating the tornado's path and damage.

                                                                         Click on the image to enlarge 


The pictures below show some of the damage caused by the tornado.  The first picture (from left to right) was taken near the tornado's touchdown and shows part of a tin roof that was blown into a tree from a nearby outbuilding.  An area of blown down corn is shown in the second picture.  The downed corn stalks show a distinctive swirl pattern often associated with tornadic winds.  The last picure was taken near the end of the damage path where the tornado tossed a camper trailer against a house.

picture showing part of outbuilding's tin roof in an adjacent tree       picture showing blown down corn in a field       picture of a camper partially destroyed and laying against a house

                                                             Click on images to enlarge

Below is a graphic of the storm as seen by our WSR-88D Doppler Radar located in Grand Rapids, MI when the tornado was on the ground.   The left graphic shows the thunderstorm's reflectivity pattern with the darker reds indicating torrential downpours.  Notice also that their is a hook like appendage on the south side of the storm.  This hook like feature is called a "hook echo" and it is often associated with tornadic thunderstorms.  The right side of the graphic shows the doppler velocities or the wind speeds either towards or away from the radar.  The radar in this case is located to the northeast of the storm.  Rust colored areas show winds moving away from the radar (outbounds) while the green areas show winds blowing towards the radar (inbounds).  The deeper the colors the higher the wind speeds.  Notice how both darker green and rust colors come together just south of Gobles near the tip of the arrow.  That feature is associated with the broader counter-clockwise circulation of the wall cloud in which the tornado is embedded.   Lastly, the broad "S" pattern of the rust colors is also a signature of tornadic thunderstorms and often develops in conjuction with the hook echo.


Graphic showing pictures of storm as seen by the NWS Doppler Radar located in Grand Rapids, MI.

                                                                                                 Click on the image to enlarge



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