A Month ’til Fall but a Year ’til Eclipse

Wow, what a nice autumn preview today was. In Nashville the morning low was 62 and the afternoon high only 82…nice for August, several degrees below the average for both. The fall equinox this year is Thursday, September 22 at 9:21 AM.

12_The Seasons

A large area of high pressure  is centered over the Ohio Valley, that’s the reason for today’s crisp air.  Dew points have been in the 50s for many today.  That’s the comfortable zone. The overnight lows will again be in the upper 50s and low 60s across Middle Tennessee. Tomorrow afternoon you’ll feel a difference in the temperatures, they will rise to the upper 80s…hot, but the humidity still remains in check.

LS 4 RPM 12KM Temperature

Deep moisture is just to the south.  As the high shifts east over the next few days it will tap into that moisture and humidity here will be on the rise again.  Expect the dew points to go from the 60s Wednesday to the 70s by Thursday. With the added a moisture there will be the possibility of isolated thunderstorms each day.


If you are ready for the change of the season, you only have a month left. But if you have set your sights on the big solar eclipse, you have a year to wait. It’s going to be a big deal, the total eclipse happens August 21, 2017. This graphic of the eclipse from Sky and Telescope magazine shows the 8,600 mile  path that passes directly across the continental U.S.  It will offer up to 2.7 minutes of totality. The blue lines parallel to the dark track indicate the degree of partial eclipse to be seen elsewhere in the Americas. The red lines show Universal Times.


A total solar eclipse occurs when the Moon passes directly between the Sun and Earth. This type of eclipse occurs somewhere on Earth about every 18 months on average. But a total eclipse hasn’t been observed from the continental United States since February 26, 1979. That’s why it’s such a big deal.  During the totality of the eclipse the Sun’s brilliant disk is fully covered by the moon, the sky will turn dark, similar to twilight, so the brightest planets and stars become visible.


Tennessee and Kentucky are right in the path of the eclipse. I’m looking forward to it.

Join me tonight on Channel 4 News at 10pm for a weather update.

Lisa Spencer

posted 9PM






About Lisa Spencer

Lisa Spencer is the chief meteorologist at WSMV Channel 4 Nashville. You can catch her weathercasts weekdays at 5pm, 6pm and 10pm.
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3 Responses to A Month ’til Fall but a Year ’til Eclipse

  1. Just one year to go for the eclipse. We can’t wait!

  2. Fred says:

    Look forward to that. The last time we had a significant solar eclipse here was on May 10, 1994. I was in school when it happened. We went out to watch it during our English class. The maximum phase happened at almost exactly at noon, which is really unusual and it looked more like twilight. Dusk at noon = awesome!

  3. Lisa Spencer says:

    We’ll be talking even more about it, closer to time. I’m looking forward to it too.

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