I Learned Something New Today

The storms that passed through here yesterday were part of a 'derecho'.  The Weather Channel explains it HERE.  With the severe gusts we had as part of the storm, it was classified as a 'Super Derecho'.

Here is a graph that shows the frequency of occurrence by month:




These usually occur during mid-to late summer.  The recent heat wave has increased the probability of occurrence.

The derecho yesterday started in northern Indiana, with a wind gust of 91mph recorded in Ft. Wayne.  It took 12 hours to travel over 700 miles, almost 60mph.  Millions were left without power, and 11 people died.  The 91mph winds in Ft. Wayne are Category I hurricane winds.

An interesting phenomena, unfortunately people died, and property was destroyed.  This gives me something else to study, and apply to school safety.

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