Title : "The record in recent decades for the highest level of ice to melt in Antarctica in one day was reached on Christmas Eve..."
link : "The record in recent decades for the highest level of ice to melt in Antarctica in one day was reached on Christmas Eve..."
"The record in recent decades for the highest level of ice to melt in Antarctica in one day was reached on Christmas Eve..."
"... data suggests. Around 15 percent of the continent's surface melted on Monday, according to the Global Forecast System (GFS) by the National Centers for Environmental Prediction (NCEP). The data comes from the Modèle Atmosphérique Régional (MAR), a model used for meteorological and climatic research. Xavier Fettweis, a climatologist at the University of Liège in Belgium, who tweeted the data on Friday... said this is the highest melt extent in Antarctica in the modern era, since 1979.... stressed the data is from a model, and not an in situ observation. The melting could be driven by a number of factors, and experts will need to wait two to three melting seasons to confirm what is going on.... 'We have observed a crash of the Antarctica polar vortex just before this melting season... A weaker polar vortex allows warm air masses to reach easier the ice sheet (which is usually protected by its polar vortex as it was the case the previous summer). The fact that the sea ice extent is very low also enhances the possibility of warm air masses to reach the ice sheet.' Asked whether climate change is to blame, he said: 'As for most of the anomalies observed on these last months over the Earth (e.g. in Australia), the signal coming from global warming can not be ignored here.'"Newsweek reports.
At the bottom of the article: "This article has been updated with comment from Xavier Fettweis." That makes me guess that the article originally leaned much harder into alarmism about global warming. It looks as though Newsweek picked up on a Fettweis tweet and ran with it. Here's the tweet, which doesn't talk about global warming:
MAR forced by GFS suggests that the highest melt extent over Antarctica in the modern area (>1979) has been reached on 24-Dec-2019 with ~15%. From Nov 2019 until today, the production of melt water is also a record with 230% higher than average but the melting season is not ended pic.twitter.com/MT0QKCJ47e
— Xavier Fettweis (@xavierfettweis) December 27, 2019
There is a second Fettweis tweet (which makes me think Fettweis intended to raise some alarm):
For the 1st time also, the melt process explains the negative anomaly of the current Antarctica SMB. It should be noted that this process is currently missing in most of SMB estimations over Antarctica as melt has been negligible until now. But the climate is changing.... pic.twitter.com/dT5g3zl4T4
— Xavier Fettweis (@xavierfettweis) December 27, 2019
I just wonder what happened before that Newsweek update.
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