Good Monday everyone. For Jefferson County residents, school will begin in earnest for many students this week. During the Dog Days of August, named after the dog star Sirius in our nighttime sky, temperatures are usually rather, well, summerlike. Therefore, despite rain chances increasing later this week, there will still be a summertime feel in the air.
This will cool you off. Today is the last day in which the highest average temperature of the summer will be recorded. Currently and over the past couple of weeks at least, the 30-year average temperature has been about 79.1 degrees here in Louisville. Starting tomorrow, the 14th, the same measurement standard will drop to 79.0 degrees. And from there, it's all downhill as we cascade into Autumn and Winter.
Despite a pattern change that began about the middle of July, temperatures have not shown a significant deviation from what is considered normal around here. Louisville has experienced the most 'significant' drop in temperatures, averaging about 0.3 degrees Fahrenheit below normal since July 15. However, the monthly average temperatures from June 1 to August 31 is likely to come in at above normal for the summer.
Lexington should finish with an above normal summer as well. Interestingly, Lexington has recorded a below normal summer for 4 of the last 5 years (2013, 2014, 2015, and 2017). But, despite the recent pattern change, it should not skew the entire summer to below normal.
I've updated some statistics on the blog. Feel free to check those out as well. At least 16 Kentucky Mesonet sites have now recorded over 40" of precipitation for the year. That's quite a bit, and we haven't reached the middle of August yet. Lexington NWS is now over 40" too. Normal precipitation for the year is 45.17". Wow!
The Harlan county Mesonet site atop Black Mountain in far eastern Kentucky is over 56" now for the year.
Severe weather summary from the Storm Prediction Center has been updated. Although Kentucky was leading the way in wind damage reports and even tornadoes for a while, other states have now surpassed the region. Fine by me.
However, flooding has been an issue this year, even in this state. Personally, I consider flooding to be a severe weather event, since it causes impacts to personal property and life. Storms that put out a lot of lightning, like cloud to ground strikes, should also qualify as a severe weather event, again since property and life are involved. I don't know how these events could be quantified, but their impacts can be more devastating than the other severe weather parameters we typically follow (tornadoes, hail, wind damage).
It's just my opinion. I'm sure there is information and statistics out there, probably from insurance companies, highlighting these events. But, for now, have a great week and stay safe out there.
Monday, August 13, 2018
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