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Frigid Air Remains

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The weak storm system is now lifting to the east and the threat of wintry precipitation is over.  Our attention now turns to the very cold air that will be moving into the region for the next 48 hours.  A surge of arctic air arrived last night along with gusty north winds and temperatures falling from near 30 into the lower teens this morning.  Gusty north winds will continue for the next few hours with wind chill values near -5 to 5.  A wind chill advisory is posted for portions of northern OK including the Tulsa metro through 10am.  Additional wind chill advisories may be needed tomorrow morning for these same areas. 

The surface ridge of high pressure will move across the central part of the nation today and tonight before settling near northern Ok Wednesday night and Thursday morning.  The proximity of this high along with light wind and very dry air will allow some of the coldest air of the winter season.  Single digits are likely and some locations may be near zero along the OK-Kansas state line during this period. 

The ridge will move east and the arctic air will be replaced by some relatively mild air Friday and Saturday in advance of another surge of cold arctic air Sunday. 

The EURO is offering a small disturbance moving across the state Friday evening into Saturday morning which could produce some very light drizzle or precipitation.  The timing of this system would lead to a small window for some freezing rain or freezing drizzle, but at this point the chance will remain very low. 

Euro and GFS data both support another storm system nearing the state by the end of the weekend, but the two data sets continue to offer differing solutions regarding the exact outcome. 

We have made some changes to the extended numbers including some warmer air for Sunday, but not quite as warm as GFS mos numbers would suggest. Another surge of cold arctic air is possible Monday into Tuesday with some wintry precipitation potential for extreme northern OK and southern Kansas.  Stay tuned. 

Please uses caution this morning driving.  Roadways will continue to be slick for a few hours before ice and remaining snow cover sublimates.

 

 

 

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