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January 14-15th Clipper System


HillsdaleMIWeather

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20 minutes ago, Ottawa Blizzard said:

Really over-performing here. I measured 5.5" in three different places where there isn't any drifting. Very fluffy snow too, easy to shovel. This makes up for last Friday's bust, for sure.

 

You got a nice ESE flow going. Too much southerly component for me. That band has refused to sink south, although it's made occasional intrusions.

About 2" here in the west end.

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5 hours ago, Baum said:

Yup. Would be nice if we could get the lake involved.

Looks like that finally will start to happen. Inverted trough/LE feature has been sliding south across WI, and should move in over the next few hours...followed by pure LES for a while. Probably will add an additional 1-3" for McHenry/Lake/Cook/DuPage/Will Co's.

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Unbelievably up to 4.5 here, unscientifically lol.  Been out and about 90 degree slant sticking on friends cars, fence posts, driveways and a couple cow backs :P .  I'll call 4 for here.  Snow finally ended around 7.  Winds picking up nicely out here in the country and it's drifting like a mother.  Maybe because it been so long I forgot what they looked like but there are some really big drifts for a 3-4 inch snowfall.  Some roads nearly impassable.

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54 minutes ago, Ottawa Blizzard said:

Really over-performing here. I measured 5.5" in three different places where there isn't any drifting. Very fluffy snow too, easy to shovel. This makes up for last Friday's bust, for sure.

Wow! That's awesome. LES band was situated over your area for the entire day. 

I'm closing in on 3" with around 2.7" here. 

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42 minutes ago, snowstormcanuck said:

 

You got a nice ESE flow going. Too much southerly component for me. That band has refused to sink south, although it's made occasional intrusions.

About 2" here in the west end.

It is still snowing to beat the band here. I shoveled about an hour ago and it's already covered over again. At this rate, if the band holds steady, I might end up with about 8". Not bad, given the forecast was for 2, at most 4". It's a rare treat to be impacted by a lake effect band. 

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LOT update

Area Forecast Discussion
National Weather Service Chicago/Romeoville, IL
936 PM CST Mon Jan 15 2018

.UPDATE...909 PM CST

Bands of snow showers continue mainly along and north of
Interstate 88, with lighter snow/flurries south. Reports have
indicated that even these showers are occasionally moderate to
briefly heavy and radar returns are not are that great. MKX radar
indicates an area of moderate to heavy snow across southeast
Wisconsin. The inland extent of this snow extends well west, but
model guidance indicates as this band of snow heads into northern
Illinois that the western extent will diminish some. There is also
some suggestion that the convergence/fgen driving these bands of
snow will weaken some with time also. Still we do expect this
band to rotate through tonight, with briefly moderate to heavy
snow rates, albeit not for too long. This will include the city of
Chicago for a period mainly after midnight. Snow rates in this
band have been roughly three quarters of an inch per hour, and
while it is uncertain how intact it will be here, expect an uptick
in snow overnight. Some areas will see another inch or so, with
Lake/Mchenry/northern Cook the favored near lake locations.
Therefore expect for northern areas and lake adjacent counties
some additional issues for the morning commute with the additional
snow and very cold temperatures.

The synoptic and somewhat mesoscale forcing ongoing across
Wisconsin will shift over the lake later tonight, and the focus
will then be on the lake effect snow development, its strength and
location. RAP/HRRR depict a mesolow lingering over the lake and
keeping the focus of the lake effect snow across Lake County
Indiana, and at least the shoreline areas of Cook County, with the
mesolow allowing convergence to remain a bit farther west than
would normally be expected, with things becoming more progressive
as snow shifts toward Porter county. NAM/NAMNest are still
farther east with Porter County more favored once the better lake
thermodyamics get going.

Have a tough time making any concrete decisions to upgrade a
watch, but we could consider at least an advisory for a broader
area. At this time most model guidance agrees in lake effect band
development, but it will be a tough call as to whether these will
stay just offshore of Cook county, and if it may well be that Lake
County Indiana has more residence time with the band. Near lake
counties should stay tuned for forecast updates given this
uncertainty and potential impacts.

KMD
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1 hour ago, hawkeye_wx said:

There's a report of 11 inches of snow in far southeast Missouri, where a heavy band has been parked all day.

Wow!  How bizarre.  Never would've imagined that would happen in that area given where they were located in relation to the surface/upper air features.

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5 hours ago, Snowstorms said:

When was the last time we saw such periodic lake enhancement off Lake Ontario? 

 

 It happens from time to time. Not that unusual.

Of course as I say that I can't think of any examples. The thing is the "periodic" episodes usually involve 1-4" type snowfalls so they're not exactly memorable.

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Another solid 1.5 " overnight. Easily over 5 " total at this point. Looking like another lake band may work through. Enjoyable long duration event, and well handled by LOT. Though I think Chicago Storm may have been the first to peg it in these parts.

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000
NWUS53 KMKX 161510
LSRMKX

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI
910 AM CST TUE JAN 16 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0900 AM     SNOW             4 S STURTEVANT          42.64N 87.91W
01/16/2018  M5.3 INCH        KENOSHA            WI   PUBLIC

            IN SOMERS.


&&

$$




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