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January 9th-11th Winter Storm Obs Thread


Powerball

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It'll probably strengthen a bit through 0z before the secondary starts to really take over.

Just to further this point. AM AFD out of BUF

LATEST WATER VAPOR IMAGERY SHOWS A NICE JET LEVEL FEATURE STRETCHING FROM WESTERN TN NORTHEAST TO SOUTHERN OH. THIS CORRESPONDS TO A 140KT JET PER 12Z SOUNDING AND RUC ANALYSIS. THE JET WILL HELP TO DEEPEN THE DEVELOPING ALTHOUGH WEAK SURFACE LOW OVER THE OH VALLEY THIS AFTERNOON AND CONTRIBUTE TO LIFT AIDING SNOW PRODUCTION FAIRLY QUICKLY LATE THIS AFTERNOON.
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Just a though but I wonder if we'll see some brief lake enhancement off of Lake Erie.

Hmm, it'll be interesting to watch.

It's a real small fetch, and IIRC the western end of the Lake is mostly ice covered. Frankly I don't think I've ever heard anybody mention the possibility of E wind enhancement off Lk Erie for any system. Even Josh, who'd be the most direct beneficiary.

eswt-00.gif

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It's a real small fetch, and IIRC the western end of the Lake is mostly ice covered. Frankly I don't think I've ever heard anybody mention the possibility of E wind enhancement off Lk Erie for any system. Even Josh, who'd be the most direct beneficiary.

eswt-00.gif

I meant a south to north fetch (into SW Ontario as well).

It's a stretch, but I suppose not completely out of the realm of possibility. I've seen it happen before with storms similar to this (even the warmish Superbowl storm that busted).

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I meant a south to north fetch (into SW Ontario as well).

It's a stretch, but I suppose not completely out of the realm of possibility. I've seen it happen before with storms similar to this (even the warmish Superbowl storm that busted).

E/ENE (or SE wind) enhancement is pretty common off Lk Ontario, but I've rarely seen it off Lk Erie. Colder lake temps, more ice, shorter fetch are the big problems. Theoretically it's possible, but it's tough. Keep an eye on it though.

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Im gonna guess 1-1.5" so far??? hard to tell since we already had a crusty snowcover, I'm using the top of a wooden fence post looking out my window lol. Pretty much been alternating between light and mod all morning. Not even sure it has technically reached 'heavy' at any point. I would say the biggest problem is probably flake size which has been pretty small, breaking out into larger every once in awhile but predominantly smaller.

This reminds me a lot of a typical clipper event here....even in the way it is occuring during the day. If I had to update a guess looking at current radar and what we've already seen....3-4"

pretty much expected.

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1205 PM SNOW INDIANAPOLIS INT`L AIRP 39.72N 86.29W

01/11/2011 M3.4 INCH MARION IN OFFICIAL NWS OBS

STORM TOTAL AT NATIONAL WEATHER SERVICE OFFICE

I'm seeing reports of 3" or so from the LAF area via the WLFI blog. 2.5-3.0" using crude measurements here in Kankakee.

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Schools dismissing early.

I've never understood why schools do this during the worst of the conditions and when the roads are at their most treacherous/snow covered when clearly if they were to stay in session and wait a few more hours, things would improve. It not only inconveniences working parents, but puts more cars and buses on the snow-covered streets. Seems silly and asking for accidents.

What a commute this morning from 9AM-10AM from the city out to Oak Brook! At one point driving along the Kennedy east of O'Hare I'd estimate visibility was down near 1/8 of a mile. Fat, fluffy flakes quickly accumulating. Definitely the best "system" of the winter so far in Chicago.

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