The last day of May


Main threats

No widespread hazardous weather expected.


Well, some of us got some rain yesterday and many of you didn’t. I had enough to settle the dust at the house and to make for a heavy dew this morning. That’s better than nothing!

We have another rather decent shot at some rain today. I think about 40% of the plateau will see a shower or storm. Fingers crossed one of those lands on your neighborhood.

Those rain chances drop off tomorrow, but they tick back up a bit for Sunday. Most of us may stay bone dry over the whole weekend.

Then, more sunny and dry weather settles in for the beginning of our work week. At least it won’t be as hot as it has been.

Then, it looks like a very unsettled pattern will begin moving in for the middle to end of next week, offering multiple rounds of showers and storms. Let’s hope that forecast holds up! Otherwise, I may have to dust off my rain dance headdress…. (ha)

WeatherTAP WeatherFACT

The earth’s temperature is not exactly determined by the sun. The sun emits shortwave radiation. That radiation penetrates our atmosphere and much of it reaches the earth’s surface (the rest of the radiation bounces off our atmosphere and returns to space). This shortwave radiation has little effect on our overall temperature but it can damage our skin cells (UV rays).

Once the sun’s shortwaves reach the earth’s surface, they are radiated back into space in the form of longwave radiation. Shortwave radiation comes in from the sun, longwave radiation goes back up from the ground. This long wave radiation then heats our atmosphere because it is readily absorbed by the gasses of our atmosphere (water vapor, methane, etc), whereas the shortwaves directly from the sun just passed right through the gasses. Therefore, the earth is heated by longwave radiation emitted by the earth and bounced back to earth by our atmosphere. Our atmosphere’s ability to trap the heat is what keeps us warm.

This is how a greenhouse works. The sun’s shortwaves come into the greenhouse, but the plastic traps the longwave radiation that tries to bounce back up from the surface of the earth. That plastic acts like our atmosphere (Greenhouse Effect).

This means that a planet’s temperature doesn’t have so much to do with its distance from the sun. Rather, a planet’s temperature is determined by its atmosphere’s ability to trap the heat that arrives from the sun, regardless of how far that shortwave radiation had to travel.


On this day in 1830, the town of Shelbyville was described as a “heap of ruins” after a devastating tornado moved right through the center of town. Churches, public buildings, 15 homes, and 38 businesses were completely destroyed. A book from Shelbyville was found seven miles away!

Today is the 130th anniversary of the Johnstown, Pennsylvania flood disaster. This remains the worst flood disaster in U.S. history. Heavy rains collapsed the South Fork Dam, sending a 30-foot wall of water rushing down the Conemaugh Valley at speeds of up to 22 feet per second. All structures were swept away. By the time the water receded, 2,100 people had drowned.



Yesterday’s record high: 88 (2011, 1982)

Yesterday’s record low: 38 (1984)

Today’s record high: 89 (1991)

Today’s record low: 38 (1984)

Today’s sunset: 7:50

Tomorrow sunrise: 5:24

Today’s day length: 14 hrs 26 mins 05 secs

Tomorrow’s day length: 14 hrs 27 mins 02 secs

One year ago today

We ended the month with a high of 78 and a low of 64 degrees. Nearly an inch of rain fell (0.97″).


Well, the drought monitor updated yesterday and for the first time in over a year they had to highlight some dry areas of Tennessee. Remember, last year was our wettest year on record. I couldn’t even remember the web address for the drought monitor because it’s been so long since I needed it! Hopefully, we can get some good rains soon.


I got out last evening and snapped some pics of the distance storm clouds. It was a beautiful evening!


You all have a great day!



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