US Warm-Up Is Short Lived As Cold Signals Overwhelm Late Month Pattern…

Written by on January 12, 2015 in United States of America, Winter 2014/15 with 0 Comments

This week isn’t going to be all that warm but there is undoubtedly a ‘warming trend’ following the frigid open to the month.

Despite all the talk about warmer weather… here were this morning’s lows.

Credit: weather.com

Credit: weather.com

1044 high over MN-IA tomorrow.

Credit: AccuWeather Pro

Credit: AccuWeather Pro

Here comes that warm-up.

610temp_new

TOP IMAGE CREDIT: Eli Welson (@weird_kid_down)

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As previously stated, the cold start to January has been fuelled by a -EPO (Eastern Pacific Oscillation) with a strong Alaska ridge while there’s a trough east of Hawaii, it was NOT a -AO nor NAO as both we’re and remain positive. Despite a brief flip to positive in the EPO and warmer signal for US, recent ‘major warming’ at 10mb over Siberia, Arctic and for the first time, the N Atlantic. A -AO/NAO is set to develop and we’re set to see the return of a -EPO as well. These are ALL cold signals for the US from the 20th and beyond.

temp10anim__3_

hgt_ao_cdas__16_

ao_fcst

nao_fcst

Let’s not forget the MJO which has been in very warm phases to start January (phase 4, 5 and 6) and so despite this, the US has shivered but what’s interesting is that the MJO, along with the AO, NAO and EPO is also set to enter colder phase 7 and 8!

ECMF_phase_MANOM_51m_small(40)

combined_imageTQDQ04X7

I wouldn’t be surprised if January ends equally as cold as it started!

Credit: WSI Energy

Credit: WSI Energy

Even though we’re 12 days into January, here’s how the CFSv2 looks at the month overall.

usT2mMonInd1

Here’s Feb.

usT2mMonInd2

See video for discussion.

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