Monthly Archives: July 2023

Facts About the Arctic in August 2023

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We have grandchildren visiting this week, so it seems prudent to get the new open thread started a day early, and before they wake up!

The ARCUS Sea Ice Prediction Network July report has recently been published. Here’s the graphic overview of the 30 predictions for September sea ice monthly average extent:

The July median forecasted value for pan-Arctic September sea-ice extent is 4.66 million square kilometers with interquartile values of 4.51 and 4.87 million square kilometers, while individual forecasts range from 3.12 and 5.30 million square kilometers. We note the lowest forecast is an outlier, and the only forecast that predicts a new record September sea-ice extent value (current record is September 2012, with a sea-ice extent of 3.57 million square kilometers).

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Tony Heller’s Faithful Flock of Sheep

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My Arctic alter ego was checking out the new “X” rated edition of Twitter when “she” couldn’t help but notice that Elon Musk had allowed Tony Heller back into the climate “debate” thereon, albeit with a new handle.

“Snow White” also noticed that for some strange reason Tony was telling lots of porky pies about Arctic sea ice again! Hence:

and:

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Facts About the Arctic in July 2023

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After briefly being near the bottom of the historical range at the beginning of the month, AWI’s high resolution AMSR2 area metric is now back near the top of that range:

However, although it’s not visible on the area graph extent has recently taken a bit of a tumble:

Here’s an animation showing the motion of sea ice in the Arctic over the last month:

Continue reading Facts About the Arctic in July 2023 →