Wednesday, 13 June 2018

Methane levels - 11 June, 2018

Excessive Arctic methane around 18,000 feet. 06 11 2018

H/T Harold Hensel, via Facebook

Anything above 1250 ppb and methane contributes to heating up the atmosphere. There should be no red, yellow or brown in this image. Methane was 750 ppb for thousands of years before the industrial revolution.

Methane at the surface 06 12 2018 . The brown is 2080 ppb and above. And to rephrase the heat balance for methane, over 1250 ppb, and it is going to get hot. 
Temperature and heat index forecast for Sunday this weekend in Cedar Rapids, Iowa, is 97 degrees F with a heat index of 105 to 110 degrees F.

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