#2564 "Singleton Sunday Thanksgiving Sunset"

#2564 "Singleton Sunday Thanksgiving Sunset"
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The sunset on Sunday October 10th, 2021 was stunning. "Red sky at night" foretold of a "sailor's delight. The golden sky was clear all the way to the setting sun to the west and gold is even better than red... What could go wrong? 

But something was not right. I knew that a cold weather system was approaching after the Thanksgiving weekend. I was also aware that the atmosphere was stagnant and blocked. The weakening jet stream was now a meandering flow forming multiple, large amplitude wave crests and troughs around a latitudinal circle. The transformation of the fast and strong atmospheric current meteorologists called the jet stream into a much weaker flow, had long been predicted by the sciences. The climate was changing much faster than ever it could have been imagined. The jet stream had only really been confirmed during the Second World War when aircraft encountered the strong currents and could not reach their targets. The distribution of the planet's mountains and oceans tend to encourage wave number seven of these large amplitude atmospheric ox bow patterns. What were the sunset lines in the sky really saying? 

A patch of overhead altocumulus was drifting southward. The atmospheric frame relative winds were westerly and generating the distinctive wind gravity waves within these clouds. Wind waves in the atmosphere are shorter wavelength with less amplitude as compared to atmospheric swells. 

The anticyclonic companion of the conveyor belt conceptual model was directed toward Singleton. This pattern is typical given our location in eastern Ontario and the fact that most emergent systems approach from Colorado or the Gulf of Mexico. Singleton sees the anticyclonic companion of the approaching storm first. Maybe the sailors should not be delighted? 

The sunset colours were another reason to be very thankful during the Thanksgiving Weekend. Science Tuesday will explain the truth behind this golden sunset in a bit more detail. 

The cold Arctic air would not arrive for another couple of days giving me more time for swimming in the lake. 

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