Record Pacific Low Plays Role In Delivering Biggest US November Cold Outbreak In Years!!

Written by on November 9, 2014 in United States of America with 0 Comments

After talking about it for days, former Typhoon Nuri is ‘bombing out’ over the Bering Sea this morning, said to have a CP of 924mb which breaks the old record of 925mb set in Dutch Harbour back in Oct ’77. This is forcing a staggering height rise over the arctic, splitting the polar vortex and by doing so, a branch of the main vortex is set to pile drive the coldest air in the hemisphere south into the United States.

This could be a top 5 early/mid November cold outbreak for the US!

Yesterday

Credit: NWS OPI

Credit: NWS OPC

Credit: NWS OPI

Credit: NWS OPC

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Credit: AccuWeather

Credit: AccuWeather

Check out these off the scale height rises over the arctic region with a chunk of the PV present over the Lower 48!

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Ahead of the major cold outbreak, we’re talking about a MAJOR early season snowstorm across the Northern Tier!

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Latest GFS snow chart through 120 hours.

Credit: AccuWeather Pro

Credit: AccuWeather Pro

ECMWF

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Weather Channel’s snow forecast!

Credit: weather.com

Credit: weather.com

AccuWeather

Credit: AccuWeather

Credit: AccuWeather

Credit: AccuWeather

Credit: AccuWeather

Then here comes the arctic air!

Both ECMWF drive surface pressure to around 1050mb with this high!

Credit: AccuWeather Pro

Credit: AccuWeather Pro

ECMWF

Credit: AccuWeather Pro

Credit: AccuWeather Pro

This will deliver the coldest air yet and probably one of the coldest early/mid November cold blasts in many years!

Credit: AccuWeather

Credit: AccuWeather

Credit: AccuWeather

Credit: AccuWeather

How Cold?

Expect 15-30 below normal WIDESPREAD down the Rockies and Plains this week.

-20s expected over Montana and Wyoming.

2-metre temp

Tue AM

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Wed AM

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Thu AM

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Below 0 Friday AM in the Twin Cities?

Credit: AccuWeather Pro

Credit: AccuWeather Pro

See video for discussion!

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