Huntsville Area Local Chapters

of the American Meteorological Society & National Weather Association

June Climate Summary

For those who missed the summer meeting on June 30th, here is my presentation on the weather this June in blog format.

Taking a look at the observed averages this month versus climo, what really jumps out is the very much above normal rainfall for June. A large part of this rainfall fell in the first part of the month when a series of MCS’s traversed the region, but we finished out the month with a few bouts of locally heavy rainfall to bring our total to a tad bit over 7 inches. This rain and associated cloud cover contributed to our average highs and temperatures being below climo, and our lows being a little warmer. We only reached 94 one time this month and no higher, and hopefully this trend will continue for the rest of the summer. However, after a cool spell in early July it could be back to the heat for the eastern US.

June 2014 Climate Stats

June 2014 Climate Stats

Going back to the active weather during the beginning of the month, I’ve put together several days worth of storm reports data below. These were the most active days in June across the Tennessee Valley in terms of storm damage. You can see the numerous wind damage reports and even some isolated tornado reports across northern Alabama. More on those tornadoes individually below.

Storm Reports From Early June

Storm Reports From Early June

There were three tornadoes in northern Alabama this month. The first was a brief spin-up EF1 south of Tanner in Limestone county on the 5th of June. The second was another EF1 in Colbert and Lawrence counties on the 9th, and a day later on the 10th, yet another EF1 struck Jackson county. Below is a track map of all three tornadoes.

Tornado Tracks

Tornado Tracks

Taking a closer look at the Tanner tornado, you can see the radar image preceding the touchdown showing a small amount of rotation. This tornado was on the ground for such little time there was not a radar scan that captured it in progress.

Tornado in Tanner

Tornado in Tanner on June 5th

The second tornado tracked a longer distance, beginning in southeastern Colbert county and tracking into Lawrence county before lifting. This tornado took a few roofs off barns and snapped many trees, but otherwise stayed over fairly rural country.

Colbert/Lawrence County Tornado on the 9th

Colbert/Lawrence County Tornado on the 9th

The third and final tornado occurred in Jackson county on the 10th and was the most extensively documented of the three. You can see very clearly a tight rotation couplet where the tornado was on the ground, and even a small debris ball is visible on the Correlation Coefficient (definition). After the tornado lifted the storm began producing stronger straight line winds up to 100 mph as it tracked toward the TN/GA border. Many trees were snapped in the higher terrain of Jackson County.

Tornado in Jackson County on June 10th

Tornado in Jackson County on June 10th

If you enjoyed this post make sure to check back in the future for more. We would appreciate it if you came to the next meeting where you can see the next monthly weather roundup live! Thank you for taking the time to enjoy this post, and have a great 4th of July! -Karl

That's all folks!

That’s all folks!

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Take care everyone and safe travels on this holiday weekend!

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