Major role reversal in week ahead

ECMWF Hi-res
Courtesy of

According to the latest run of the ECMWF hi-res model a major role reversal in weather types is forecast to take place in the next week, from the roaring zonal westerly that we have across northern parts at the moment, to an anticyclonic easterly by Thursday of next week. The various NWP models have all been wildly inconsistent in the last few weeks with regard to their forecasts beyond three days, and this maybe just another example of this. I don’t know how much confidence there is in the change of type, especially with a string of potential ex-hurricanes added to the mix, but it does make for a some intersting weather as we approach the autumnal equinox.

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