Autumn 2016
At the beginning of October, 2016 I reattempted the climb of Aonach Mor in the Nevis Range following a failed summit attempt back in January 2016. Deep snow stopped me from reaching beyond the weather station but I was determined to make it this time around. Like back in January, I managed to get great views and great […]
Latest from Dr Judah Cohen (Follow on Twitter @judah47 ) Arctic Oscillation and Polar Vortex Analysis and Forecasts Source: http://www.aer.com/science-research/climate-weather/arctic-oscillation October 26, 2016 Special blog on winter retrospective can be found here – http://www.aer.com/winter2016 Dr. Judah Cohen from Atmospheric and Environmental Research (AER) recently embarked on an experimental process of regular research, review, and analysis of the Arctic Oscillation (AO). This […]
The endless summer pattern steps out of October and into November, reinforced by a polar vortex split which favours a cold Eurasia but continued warm Lower 48. For the East, this October, like September and August will go down as one of the warmest and warmest on record for some. Having 1 of 2 pieces of the polar vortex […]
We’re reaching the end of October and that means Halloween of course. It’s interesting when looking back at just how up and down this period can be. Even in the typically mild Southeast of England, we’ve seen quite the variety of weather around Halloween. The recent trend has been mild, outstandingly mild at that with […]
For the majority of the Lower 48, Halloween is mild to warm as well as quiet. I say the majority because not all will enjoy a Halloween which could be mistaken for late summer. A system crossing the Great Lakes/Lower Midwest will provide shower activity while the main focus of weather will be over California […]
Halloween in recent years have been anything but cold, in fact record warm and while there’s no records under threat this year, the mild theme continues thanks to high pressure with moist south/southwest winds which hold day and night temperatures above normal. This year is looking similar to last year with low pressure west and high pressure east which allowed winds […]
As we lean towards November, the US weather pattern remains very interesting. Following what’s likely to be a record warm October for much of the Lower 48 east of the Rockies, we have just witnessed an impressive late October snowstorm for the interior Northeast. Nothing unprecedented by any means but impressive given how warm it’s […]
Unless something dramatically changes, the first taste of winter should reach UK shores early next week and the trend is for colder as the week progresses. In recent posts/videos I’ve broken down the details on the evolution to this early start to winter with weak polar vortex and -AO laying the ground work early over Siberia. […]
Snow cover continues to expand across Eurasia ahead of schedule thanks to a weak polar vortex and persistent -AO induced northern blocking. Moscow and Kiev both woke to their first snowfall this morning with 20cm locally. Kiev, Ukraine last night. Moscow before daybreak this morning. This cold trend doesn’t appear to wane but intensify as we head for […]
We have bookend lows in extreme SW and NE of the continent while high pressure dominates in between. The jet is splitting west of Ireland with the greatest energy on the southern branch, hence why we have a major low bringing wet and stormy conditions to the Canaries, Northwest Africa extending into southern Iberia. Impressive shelf cloud rolling in […]
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