Weather Blog

Does an Umbrella Attract Lightning?

The answer: No. Lightning occurs when the difference in charge between the cloud and the ground becomes so great that a conductive channel of air develops. In that channel lightning discharges the electricity from the cloud to the ground.  Often…

100° for 6th Time This Year

Today hit 100 degrees. That's the 6th time that's happened this year - 5 times in May and once in August. By comparison, last year, 2018, hit 100 degrees only 3 times. Some cooler weather is on the way for…

Perseid Meteor Shower Peaks Tonight

The Perseid Meteor Shower will peak overnight tonight. The problem is the moon. It's close to full and will fill the night and early morning sky with lots of light. But if you're hardy and want to see the meteor…

The "Star" Next to the Moon Tonight

The "star" that's just to the lower right of the moon tonight is not a star at all. It's the planet Jupiter. It's the biggest planet in our Solar System - roughly 318 times more massive than the Earth. If…

Summer Nights are Getting Warmer

As global temperatures rise, summertime overnight temperatures here in Columbia are also rising. Here's a look over roughly the last 50 years. There is a clear upward trend. Overnight lows are nearly 5 degrees warmer now than they were in…

The Gulf Stream is Slowing Down

The Gulf Stream runs up the east coast all the way to northwestern Europe. It's part of a clockwise circulation that transports warm water from the topics up north, and cold water from up north down to the topics. Scientists…

July Was Hottest Month on Record

The European Climate Agency, Copernicus, has concluded that this July was the hottest month on record. They found that the global temperature was around 0.07°F warmer than July of 2016, which was the previous record holder.  NOAA and NASA also…

September Asteroid Will Miss Earth

I have seen social media posts recently expressing concern that an asteroid (2006 QV89) might strike the earth in September. NASA and the European Space Agency have released their calculations and concluded that we have nothing to worry about. In…

Heatwave Causing Greenland's Ice to Melt

You may recall last weeks record breaking heatwave in Europe, where many countries measured their hottest temperatures on record. Well that heat wave moved north to Greenland where temperatures are running 25° to 30° above normal. So this week's ice…

Today is National Heatstroke Prevention Day.

Jan Null, a well-respected meteorologist who has done a tremendous service to all of us by leading the charge on Pediatric Vehicular Heatstroke, tweeted the following today.  Already in 2019 there have been 24 Pediatric Vehicular Heatstroke (PVH) Deaths; and…

Rare Black Moon Tonight

You've no doubt heard about a Blue Moon, but tonight we'll be treated to what's called a "Black Moon." A Blue Moon happens when we see 2 full moons in the same calendar month. A full moon occurs when the…

Columbia is Getting Hotter

If you're thinking that the summers are getting hotter in Columbia, you're correct. As always, there are significant year to year variations. But if you look at the long trend, there's no denying it. In the early 1970's, Columbia averaged…

Today's Forecast

Temperatures are heating back up - you'll notice higher humidity too, over the next few days. And the typical PM summer thunderstorms will rejoin us this week as well.

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Chief Meteorologist John Farley's Weather Blog

Weather updates and information from ABC Columbia's John Farley.

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