• Cold pattern in central USA and Canada intensified in April and May 2021

    In last articles with outputed composites for Europe we have looked at big circulation anomaly above axis Azores - Greenland, which significantly contributed into cold year 2021 conditions in Europe from January into May 2021 /https://mkweather.com/a-big-european-circulation-anomaly-in-2021-totally-oppositely-such-as-in-the-world-and-showing-what-climate-change-should-bring-until-2100//. Now, we should look at North-American composites of T850 hPa, T2m and H500 hPa ...