Seasonal Forecasts
After a warm fall and focus of hemispheric cold over Eurasia, the tide turned in December as the weak, fluid polar vortex shifted into a favourable position to deliver one of North America’s strongest December cold outbreaks in the last 20 years. What a difference a month makes! November December to date A simple shift in […]
The focus this Christmas weekend shall be on Storm Barbara which strikes later today into Christmas Eve and another deep depression, Storm Conor which shall hit Christmas Day. Expect snow on the backside of Barbara, mainly on high road routes but mix to low levels is possible… Christmas Day shall open mild AHEAD of the front […]
The latest Pacific storm system shall push across the Pacific Northwest Friday, Rockies Saturday and Plains Sunday bringing wind, rain and snow but while there’s a large cold side to this storm, there’s an even bigger warm side where flooding rain and severe weather shall be a real threat. The system shall bring powerful winds along the […]
You’d think old man winter is trying to tease us when you see the exceptional cold that’s driven temps to -58C just east of the Urals while Arctic Scandinavia goes above freezing as Atlantic air floods the continent. Note the contrast between above normal in Scandinavia while well below normal to the east of the Urals. […]
Before I get into today’s topic, here’s WeatherBug and Weather.com’s forecast for white Christmas prospects. Afterall we do have a storm to contend with… Historic chances? There’s a high level of uncertainty as we head towards New Year and beyond. While the GFS and EPS Control show an Alaska to Greenland negative extending into the WESTERN […]
Extreme cold has been gradually drifting westward across Siberia in recent weeks with the thermometer dipping well into the -50s east, northeast of the Ural Mountains. Unfortunately the Middle East has been subject to a draft sweeping down from the north and this has only exasperated the vast human suffering already in place here. Northern sections of Syria and Iraq has seen heavy […]
Here’s an interesting read by Stuart Markham on the upcoming Atlantic duo set to strike the UK this Christmas weekend. Always good to get other perspective… MY THOUGHTS YESTERDAY: Atlantic To Deal Double Blow To UK/Ireland Christmas Weekend, 1st Storm Named! By Stuart Markham www.chorleyweather.com The Met Office have named storm Barbara which is expected […]
This morning’s Europe visible satellite view shows the UK separated north-south by two different air masses. The mild air can be seen streaming across southern Ireland, England and Wales with thicker cloud but arctic can be seen crossing Northern Ireland and Scotland with bumpy, broken high level cloud. This flow is unstable and producing heavy convective style rain, […]
Quick look back at Saturday and we saw a 136 degree swing between coldest and warmest. Changes afoot as we head for Christmas. Flow switches from Polar to Pacific. Another storm slides into the West bringing a potentially wet Christmas weekend from Seattle to San Diego, snowy into the Sierra and Intermountain West but mild […]
Thanks to some of the coldest December air in the last 20 years sweeping down over the U.S and now out into the open Atlantic, the jet stream has become super charged, accelerating beyond 200 mph. This jet shall fuel the rapid deepening of low pressure crossing the Atlantic, particularly nearer Ireland. Today into tonight sees gales cross […]
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