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BLIZZARD WARNINGS HOISTED

I NEED YOUR HELP TO MEET OPERATING EXPENSES

THE FUTURE OF THE SITE DEPENDS ON YOU. 

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WINTER STORM WARNING UPGRADED TO BLIZZARD WARNING IN SPOTS

The NWS has upgraded much of the SW half of my area to blizzard warnings. Much of the area is now in line for heavy snow and high winds. Currently, the strongest gusts are expected in the SW half, where winds of 50mph are expected. NE of there, gusts are shown to 40mph which is just on the edge of blizzard status. Thus, for now, the NWS has retained winter storm warnings in that part of my area. However, I have a very strong feeling much of my area NE of the Quad Cities including Dubuque, Clinton, Freeport (most spots north of I-80) will eventually be upgraded to blizzard warnings. No matter what, plan for near blizzard conditions across most of the region Friday and Friday night. Traveling will be extremely difficult, if not impossible, in the open country.

The worst blowing and drifting is likely late Friday and Friday night, as colder air surges into the storm once it eases by.

By Saturday evening, temperatures will be below zero and are likely to hold there Sunday. Wind chills of 20-30 are expected and wind chill watches have been issued for dangerous cold Saturday night through Tuesday morning. This has the potential to be a life-threatening storm, especially Friday night and beyond, when the bitter cold enters on its backside. This is one you need to take seriously.

Some wind and temperature outlooks this weekend.


NEW SNOWFALL GUIDANCE

I do have some new snow models in to share with you. These are not forecasts, just raw model output that is used to develop forecasts. First though, the official NWS forecast. This looks reasonable in the north, but the new runs you will see have the heavier snow reaching further into the south.

The GFS, just in.

The 3k NAM

The 12k NAM

I will be back later this evening when new model runs clear with fresh snowfall predictions. Roll weather...TS

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