On Weather & Climate Through the Eyes of Mark Vogan
LIVE NEWS FEED....
CHICAGO IS CURRENTLY AT 66-DEGREES WHILST MINNEAPOLIS IS AT 27 DEGREES AND FEELING LIKE 17 DEGREES. FARGO, N.D. IS 12 DEGREES WHILST MINOT, ND. IS AT 6 DEGREES, BILLINGS, MT IS AT 1-DEGREE.. SEVERE WEATHER HIGHLY POSSIBLE OVER THE CHICAGOLAND AREA THROUGH LATE AFTERNOON AND EARLY EVENING!
BREAKING UK WEATHER NEWS
IF YOU THINK IT'S COLD NOW, YOU AIN'T SEEN NOTHING YET, COLDER AIR TO ARRIVE BY WEEK'S END, EVEN COLDER NEXT WEEK WHEN A LOT OF SNOW WILL COVER THE GROUND ACROSS THE UK!
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Today's Forecast
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Weather Talk
By Mark Vogan
Norway, Sweden and Finland filling up with FRIGID air! That's coming our way, will be here by upcoming weekend!
The air will become colder throughout THIS WEEK but by Friday and Saturday a fresh push of even COLDER air will arrive aboard strong upper-level winds. SNOW should spread across the UK east to west over the weekend and spread a substantial snowcover. Once this "base" is set, a stronger, more potent push of Arctic air should arrive in from Scandinavia on the heels of the snowfall by Monday (next week). Highs from Inverness to London looks likely to struggle to reach freezing and nights may tumble towards -10C in many inland locations and including cities like Inverness, Glasgow & Manchester!
As we commence the new workweek, here in Great Britain, it may feel chilly out there, especially with that NE wind blowing in off the North Sea but the real cold that is currently moving into far northern Scandinavia right now will continue treking it's way southwestwards. As the pool of Arctic air that was just days ago over the pole, one batch is dropping into northern Europe and another dropping down through western Canada and into the western US... As this air is transported southwards via strong upper-levels winds, the powerhouse northerly jets (one pushing Arctic air into Norway, Sweden and Finland, the other in Canada and the US) will effectively deeping the troughs that are either side of a major blocking ridge that continues to push warmer air into Greenland and Iceland. This push of warmth, energizes the jet as these two very different air masses collide. The larger the temperature contrast, the stronger the jet flows and thus the faster the air flow aloft.
The air we here in Britain are about to see is now currently spreading from Spitzbergen, north of Norway's mainland down into Norway and Sweden. As the coverage grows, so too will the door open for a stronger, deeper push of Arctic air to drop south and deepen the expanding trough over NW Europe.. This trough will spread out and towards us, allowing increasingly colder air to cross UK airspace by Friday onwards. The cold this week, will be the mere "tail-end" of the air Norway, Sweden and Finland will have over them by that time, bringing daytime highs to only -5 to -10C and lows which may push towards -30C or colder in interior areas. Then, by Monday, Tuesday and Wednesday as the "core of coldest air" spins around a polar vortex , a piece of this air will be propelled west, southwest over Britain and present us with a piece of this bitter air come Monday through Friday next week. Highs in the major inland UK cities from Inverness to Birmingham are very likely to struggle to see highs reach -2C and lows which push towards -8 to -10C.. These numbers should be achievable if there's an inch or two of snow on the ground which will help keep this air from loosing it's power.
GRAPHIC ABOVE: Current ECMWF upper-level pattern
GRAPHIC ABOVE: ECMWF upper-level pattern for Wednesday
GRAPHIC ABOVE: ECMWF upper-level pattern for Friday
Extreme cold starting to bite hard, spreading east across Plains, but warmth ahead of the Arctic front!
Huge temperature spread across Midwest alone with a current reading of 66 at Chicago whilst it's a bitter 12 up in Fargo! Chicago may endure severe weather through the rest of this afternoon as a line of storms blossom along the thermal boundary which sits over them right now...
What's Reaching Today's Blogs?
Two Surges of Cold This Week
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AccuWeather At The Movies
Jesse Ferrell, AccuWeather
Very Serious Weather This Week. Snowstorms are in the Longer Range
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Thanksgiving Travel Menu
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The Extremes of the Day
Today's US Extremes
Courtesy of AccuWeather
High: 90 degrees at Falfurrias, TX
Low: -20 degrees at Dunkirk, MT
Today's UK Extremes
Courtesy of the Met Office
High: 50 degrees (9.9C) at Murlough (Co Down)
Cold High: 39 degrees (3.9C) at Dalwhinnie (Highland)
Low: 28 degrees (-2.2C) at Altnaharra (Sutherland)
Today's Extremes here at my house
High: 43 degrees
Low: 38 degrees
TODAY'S COND
A generally cloudy, cool day with a brisk east, northeast wind...
Thanks for reading.
-Mark
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