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Two Arctic Blasts, Ludicrous Wind Chills

Good Sunday bloggers,

We have many weather changes the next 36 hours as a system drops south from Canada, bringing in warm air first, then an Arctic surge.

A few snow showers are possible this morning as a disturbance moves by from the northwest. Tonight will warm to around 40° with a chance of rain, followed by the Arctic front. Roads will be wet for the morning rush hour as temperatures will still be above freezing. A few slick  spots may form after rush hour if there is enough moisture left on the roads.

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SUNDAY AFTERNOON: A warm front will be fast approaching as we see temperatures in the low to mid 30s along with periods of clouds. It will be in the 50s, perhaps 60° in western Kansas.

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TONIGHT (7 PM-MIDNIGHT): Temperatures will rise to around 40° with increasing clouds and wind. A band of rain showers will be approaching from the north.

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MONDAY (MIDNIGHT-7 AM): A band of rain is likely, possibly ending as snow. Rainfall will be a trace to .10″. Temperatures will still be above freezing by 7 AM, so the morning rush hour will likely have wet to damp roads.

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MONDAY (7 AM-7 PM): The Arctic air will be surging in on north winds at 15-30 mph. Temperatures will drop to around 20° by noon and then stay 15°-20° the rest of the day. Wind chill values will be -10° to 0°. If there is any moisture left on surfaces it will freeze by 10 AM. The wind will help to dry most surfaces out.

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TUESDAY-WEDNESDAY: A second surge of Arctic air moves south Tuesday and this one is serious. Wednesday looks to be the coldest day as lows drop to around -5° in KC, .-20° to -10° in far northern Missouri and -35° to -25° from Bismarck, ND to Chicago, IL. These are actual temperatures without the wind factored in. What are the temperatures with the wind factored in?  See next map, your eyes may pop a bit.

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OK, this is insane. Wind chill values will drop to as low as -60° to -50° from Minneapolis to Chicago. Here in KC the wind chill will drop to around -20°. If you are headed to these locations this week, take it serious. This is extreme for these northern cities. We do not see much snow with all of this cold.  Also, the Arctic air will exit just as fast as it arrives, leaving by the next weekend. We may see highs around 50° next Saturday.

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Have a great week and stay warm.

Jeff Penner

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