US Floor Temperatures Fall to Their Lowest Stage in Over 30 Years in February – Watts Up With That?
If you thought he was cold the last month was “unprecedented” and “worse than we thought” then you would be right. Last month’s polar eruptions in the US caused record sub-zero temperatures, blackouts for millions of homeowners in Texas when wind power went out, and more than two dozen deaths.
It was also the coldest February in over three decades. Two different metrics of NOAA’s temperature measurement agree to show that we really could have used “global warming,” but there weren’t any available.
The event was mainly due to the “polar vortex”, which exhaled the coldest air in the polar region in central USA in more than 30 years. At the same time Alaska experienced the coldest February since 1999. The main driver for the weather in the adjacent US in February was a strongly negative Arctic Oscillation (AO) in the first half of the month. This could have been the result of a sudden warming in the stratosphere in January. The negative AO pattern favors a cold outbreak in the central United States, often referred to as the “polar vortex”.
The National Oceanic and Atmospheric Administration (NOAA) officially reported that in February the average continuous US temperature was 30.6 ° F. 3.2 ° F below the 20th century average. This was the 19th coldest February in the 127-year record, and the coldest February since 1989.
Based on preliminary data, 62 daily records for cold minimum temperatures were broken from February 11 to 16 and 69 records for daily cold maximum temperatures of all time from February 15 to 16.
Daily minimum temperature records of all times
Multiple locations in central Texas, including Austin and Waco, broke records for longest freezing streak, with freezing temperatures between six and nine consecutive days from February 10th to 19th.
At the same time, another metric, the US Climate Reference Network (USCRN), reported even colder results than data from NOAA’s highly vulnerable weather station network. While the USCRN uses state-of-the-art measurement systems and is a long way from Urban Heat Island (UHI), it is rarely used in NOAA press releases.
The USCRN shows a -4.32 ° F negative deviation in the US average temperature anomaly for February 2021 is -1.12 ° F colder than NOAA’s problematic and biased surface temperature network. A quick scan of the data reveals that this is the highest monthly temperature drop since the USCRN network began in 2005.
While this coldest February, recorded in over 30 years, doesn’t refute the claim of “man-made global warming,” it does show that warming is so small that an area the size of ENTIRE United States is still a ” Coldest Ever “can set” record for a period of up to an entire month.
This event is a strong indicator that nature, rather than man-made emissions, is still the critical temperature factor.
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