Heat Waves Reach New Level under Climate Change

June 12, 2019

Washington Post:

Simultaneous heat waves scorched land areas all over the Northern Hemisphere last summer, killing hundreds and hospitalizing thousands while intensifying destructive and deadly wildfires.

study published this week in the journal Earth’s Future concludes that this heat wave epidemic “would not have occurred without human-induced climate change.”

The alarming part? There are signs record-setting heat waves are beginning anew this summer — signaling, perhaps, that these exceptional and widespread heat spells are now the norm.

In the past few days, blistering, abnormal heat has afflicted several parts of the Northern Hemisphere, including major population centers.

New Delhi, India’s capital, soared to 118.4 degrees (48 Celsius) Monday, its highest temperature ever recorded in June. Some parts of India have seen the mercury eclipse 122 degrees (50 Celsius) in recent days, not far off the country’s all-time high.

On the other side of the hemisphere, the temperature in San Francisco shot up to 100 degrees (37.8 Celsius) Monday, its highest temperatures ever recorded in the months of June, July or August, or this early in the calendar year.

Heat spread unusually far north, even up into the northern reaches of Scandinavia. Mika Rantanen, a meteorologist at the University of Helsinki, tweeted last Friday that there “are no known cases in Finland’s climate history when it has been hotter than now so early in the summer.” Temperatures above 86 degrees (30 Celsius) penetrated inside the Arctic Circle, he noted.

5 Responses to “Heat Waves Reach New Level under Climate Change”

  1. redskylite Says:

    From Mongabay 12 June 2019

    Arctic sea ice extent just hit a record low for early June; worse may come

    Arctic weather variations are too complex to predict in advance, but 2019 has made a strong start toward possibly beating 2012 for the lowest annual ice extent record. Records aside, the Arctic sea ice death spiral and the extreme weather it can trigger are adversely impacting agriculture, infrastructure, economics and human lives.


    • rhymeswithgoalie Says:

      The minimum sea ice extent in 2012 followed a strong storm which pushed the ice off of more sea area. Soon we’ll hit that minimum without such a storm. 😦

  2. rhymeswithgoalie Says:

    India was hot enough to begin with.

    I believe that in India “cold weather” is merely a conventional phrase and has come into use through the necessity of having some way to distinguish between weather which will melt a brass door-knob and weather which will only make it mushy.
     —Mark Twain, Following the Equator

  3. dumboldguy Says:

    OT and not related to climate change but interesting—-the Trump-Macron sapling is dead. It came from the Belleau Wood battlefield, and IMO died because the ghosts of the 1800+ Marines who died there have been pissing on it (out of respect for Cadet Bonespur).


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