The big news right now is the record low temperatures in the Mid- and Upper-Midwest. The Dakotas, Minnesota, Wisconsin, Michigan, and Indiana are experiencing extreme low temperatures and high winds, bringing the chill down to dangerous levels of -40 to -60 degrees Fahrenheit. These conditions are expected to set numerous all-time record lows.

I blogged about this a month ago, on December 28th. It was expected. The only question a month ago was how far south it would go.

You might ask, who am I? I’ve been an amateur meteo guy for over 50 years, I’m an engineer, and from 1998 to 2005 I did marine weather forecasting — guiding yachts at sea, talking them through dangerous weather conditions using marine SSB radio. So, I have some experience with these things and know my way around a 500 millibar chart.

With this polar outbreak, as expected, climate change deniers, including Donald Trump, jumped on this phenomenon with foolish comments like “we need more global warming.”

The key question that a smart person would ask is how did I know a month ago that this was going to happen? I knew because I observed two masses of very warm air in equatorial regions rise to the stratosphere and move north. I knew that those warm air masses would disrupt the circulation around the pole (the so-called Polar Vortex), destabilize it, and push a large mass of extremely cold air out of the polar region and south over Canada to the USA.

What I didn’t know was how far south it would reach. But, about a week ago, it looked like a pair of north-south ridges were forming that would squeeze the cold air mass and vigorously squirt it south, well into the USA. Then, I knew the cold blast would be severe. This squirting effect also meant high winds and severe wind chill — what I call a Blue Screamer. That’s what we’re going to get tomorrow (Wednesday) and into Thursday.

The bottom line here is that the cause of this outbreak is warm air that came from the tropics. Global warming doesn’t mean a perceived increase in warmth. Not yet, anyway. Raising the average global temperature by one degree doesn’t result in feeling warmer all the time. It results in more violent and severe weather, both cold and hot. The amplitudes increase. Temperature swings get wider. The winds become more violent. We’ll set both high and low temperature records as this proceeds.

The workings of Earth’s atmosphere are extremely complex. I know it may seem contradictory, but the next two days will bring us record-breaking cold and high winds — as a direct result of global warming.

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