What a difference a year makes...

Remember the last few days of June and first several days of July last year?  A big dome of high pressure aloft brought extremely hot temperatures to southern Indiana and central Kentucky, resulting in afternoon readings often above the century mark along with very little rain.

This year, however, is a completely different story.  For the end of June and beginning of July 2013 we have an elongated trough of low pressure overhead, which will bring relatively cool temperatures and several chances for showers and thunderstorms.  Note, though, that there is a strong ridge over the desert Southwest.  Temperatures will peak in the 120s in Death Valley as a result.

Below are maps comparing last year to this year.  Note the hot ridge over us last year and the cool trough over us this year.

500hpa 2012 500hpa 2013

2012

2013

 

Highs last year:

  June 28 June 29 June 30 July 1 July 2 July 3 July 4 July 5 July 6 July 7 July 8
Bowling Green 106 110 108 105 101 98 102 103 103 103 101
Frankfort 100 100 100 101 95 94 97 98 101 103 100
Lexington 102 102 103 103 97 95 99 99 103 105 103
Louisville 103 105 104 103 100 97 102 104 103 106 97

 

By contrast, actual highs and forecast highs this year:

  June 28 June 29 June 30 July 1 July 2 July 3 July 4 July 5 July 6 July 7 July 8
Bowling Green 90 88 82 81 83 84 81 80 80 85 86
Frankfort 86 82 80 81 82 82 79 79 81 84 85
Lexington 87 83 81 81 82 82 78 78 80 83 85
Louisville 89 84 82 83 83 84 82 81 80 84 86



Return to News Archive

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.