Questionable winter weather expected for the PM peak today

Posted: 2018/01/11 in Weather
Tags: , , ,

nws-01112018Earlier in the week medium threat was put in place as models suggested questionable weather moving in late week – for both today and Friday.  While models have determined that this could very well be a two phase event, it is the first phase that the admins are worried about.

The NWS as of 03:51 this morning has issued an Winter Weather Advisory

Phase 1 is expected to hit possibly during the evening peak and this is likely going to bring a wintry mix and a sharp temperature drop.  While severe thunderstorms are not going to be ruled out, the most likely scenario will be rain turning to freezing rain or snow.  (NOTE:  Mother Nature often means business with the dead of winter severe weather and the anything goes nature of winter in this area means all scenarios are on the table for Phase 1.) This phase WILL NOT MISS THIS AREA, so plan accordingly for Thursday afternoon and make wise decisions out there.

Phase 2 is expected to be an all snow event and as of the latest update we are on the fringes of that threat.  This phase will likely be an overnight one and that can make the Friday morning peak quite dicey.  However, Winter Storm Watches are in effect not even 75 miles east of St Louis on 64 and if truckers got any plans towards Louisville or Memphis this system will mean business.

The admins do expect Phase 2 will largely determine on how Phase 1 does (i.e. if Phase 1 moves in slower than expected it can potentially pull Phase 2 further northwest and closer to St Louis.)

As a result the admins are declining to upgrade the risk threat for the Thursday morning peak and the Thursday evening peak and Friday morning peak will depend on what happens with the weather. (A decision for Thursday evening will be made prior to 2 PM and Friday morning sometime between 1 and 4 AM.)

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