Strong Winds Reported over the Bluegrass Friday Evening (6/29/12)

A derecho raced across Indiana and Ohio during the afternoon hours Thursday.  This derecho, which is another word for an exceptionally strong and long-lived bow echo, brought widespread damaging winds, including a measured 90 mph gust in Fort Wayne, Indiana.  Although this line of storms missed the northern Bluegrass Region, a gust front moved south over the area.  Many locations across the Bluegrass experienced 50-60 mph winds, even with no rain or lightning. The first image below is a visible satellite image showing  convection over Ohio. Note the northerly winds measured at a couple locations over northern Kentucky. 

 

The two images below show the thin gust front moving south away from the radar located at the Northern Kentucky International Airport. The first image is reflectivity.  The thin nature of the boundary indicated that no precipitation or even widespread clouds developed along this front.  The second image shows velocity.  The red coloring along the boundary indicates northerly winds (moving away from the radar) of over 40 mph pushing south into the Bluegrass Region.

   

 

Note the high peak wind gusts from the strong gust front over the Bluegrass Region on the map below.

 

 

 

Storm Reports 6/29/12

0630 PM     TSTM WND DMG     CARLISLE                38.31N  84.04W
06/29/2012                   NICHOLAS           KY   EMERGENCY MNGR

            SEVERAL TREES DOWN ACROSS THE COUNTY WITH SOME BLOCKING
            ROADS.


0650 PM     TSTM WND DMG     3 SSE NORTH MIDDLETOWN  38.10N  84.09W
06/29/2012                   CLARK              KY   COUNTY OFFICIAL

            *** 1 FATAL *** TREE FELL ON A MAN WHO WAS TRYING TO
            CLEAR THE ROAD OF SOME LIMBS THAT HAD FALLEN AFTER A
            GUST FRONT INITIALLY MOVED THROUGH THE AREA.



0655 PM     TSTM WND DMG     LEXINGTON               38.04N  84.46W
06/29/2012                   FAYETTE            KY   BROADCAST MEDIA

            SEVERAL TREES DOWN ACROSS THE COUNTY WITH SOME BLOCKING
            ROADS. THE TREES WERE AS LARGE AS 14 INCHES IN DIAMETER.


0710 PM     TSTM WND GST     3 NNW WINCHESTER        38.03N  84.21W
06/29/2012  M58 MPH          CLARK              KY   MESONET

            OBSERVED AT THE CLARK COUNTY MESONET STATION 3 MILES
            NORTHWEST OF WINCHESTER.



0710 PM     TSTM WND DMG     WINCHESTER              38.00N  84.19W
06/29/2012                   CLARK              KY   EMERGENCY MNGR

            TREES AND POWER LINES DOWN ACROSS THE COUNTY.



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