A La Niña winter is on the way in which for the US

The global average temperature for September was a new record.

Enlarge / The worldwide common temperature for September was a brand new document. (credit score: NOAA)

September apparently wasn’t feeling like doing something uncommon, so it ended up being the warmest September on document for the globe. That’s been one thing of a development this yr, with every month touchdown in its respective prime three. It has turn into more and more clear that 2020 will possible be the second warmest yr on document, if it isn’t the primary.

Not like in August, the contiguous US didn’t set a document in September, although it was nonetheless above the 20th century common. A high-pressure ridge dominated over the West Coast once more, resulting in much more heat and dry climate for a lot of the Western US. However a trough arrange over the Central US in mid-September, bringing cooler air southward.

Two extra hurricanes—Sally and Beta—led to above-average rainfall within the Southeast. Whole precipitation for the contiguous US was a contact above common because of this, however the common as ordinary masks native variations. Drought situations have expanded and worsened over a lot of the West, and there was little reduction for wildfire situations.

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