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1/24 - 1/26 Clipper Train, and Arctic Frontal Passage

Tom

By Tom
in East of the Rockies

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The Snowman
The Snowman

Hmm. Thinking GEM is a little overdone (as is to be expected), and ECMWF is the outlier. Not around my computer now to look over all the models and such, but I'm not biting on the Euro at the moment,

DominicR
DominicR

Plumes average 4.5 inches for ORD with several 6+

Scott26
Scott26

LOT already talking about possibly upgrading to a Blizzard Warning Sunday afternoon into the evening for blowing snow and heavy snow shower activity.

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Geos Proficient

Geos

Posted
Posted

What's up with the EURO and near 40° in NE IL Sunday! Would end up with drizzle if that run was right. 

Those conditions would wipe out all the high ratio snow that has fallen.

Mercer Island, 350 ft

2021-2022: 11.6", 02/21

2020-2021: 15.6"

2019-2020: ~10"

2018-2019 winter snowfall total: 29.5"

2017-2018: 9.0", 2016-2017: 14.0"

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Tony Enthusiast

Tony

Posted
Posted

What's up with the EURO and near 40° in NE IL Sunday! Would end up with drizzle if that run was right. 

Those conditions would wipe out all the high ratio snow that has fallen.

I'm sure you're not buying into this model. No way is it going to hit 40 and the qpf is laughable. If ,and thats a big if, all the other models follow suit then I will bow down to King Euro. This clipper really has alot going for it and the models should trend wetter with each run.

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Geos Proficient

Geos

Posted
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18z NAM still has a strong Clipper for Sunday and it snows in low/mid teens for N IL/S WI but then temps rise into upper 20's.low 30's before crashing once SLP passes.  Track is not ideal but still produces snow.

 

Still sounds too high.

If it does get that warm, I'm washing my car! haha

Mercer Island, 350 ft

2021-2022: 11.6", 02/21

2020-2021: 15.6"

2019-2020: ~10"

2018-2019 winter snowfall total: 29.5"

2017-2018: 9.0", 2016-2017: 14.0"

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Tony Enthusiast

Tony

Posted
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My p&c shows 2-4 for tomorrow night which is up from 1-3 earlier.

 

From what I have been reading and seeing most are saying the Sun-Mon system should lay down 3-6 so we shall see.

 

Edit: WWA has been issued by LOT for tomorrow into Saturday am

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KMartin Newbie

KMartin

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(TheWeatherSpace.com) – A clipper system will quickly move across the Great Lakes region on Friday, which may cause blowing snow conditions for Western Michigan and parts of Indiana and Ohio later in the period.

http://www.theweatherspace.com/wp-content/uploads/2014/01/12314a-300x200.jpg

A quick moving system called an Alberta Clipper will come through the area.  1-3″ of snow is likely for the Upper Midwest, which is really no big deal for them.  Other areas will see additional lake effect snowfall in Western Michigan to Northern Indiana, with 3-6″ of additional snowfall on-top of what is there now being likely, with gusty wind potential for blowing snow.

Other areas of lake effect snowfall will be in Central/Northern Ohio to Northwestern Pennsylvania.  Up to 6″ of snowfall will be possible due to the lake effect influence in these areas … especially around Cleveland, OH.  This also is an area will BLIZZARD-LIKE conditions will be possible due to the strong winds along the arctic front.

If trends continue for blowing snowfall with the snow conditions across the heavier snowfall areas listed above … Blizzard Advisory/Warning products may be required …

<p>Southern California Weather Authority.com CEO and Senior Meteorologist<br>

TheWeatherSpace.com CEO and Senior Meteorologist<br><br>

SCWXA Website - <a class="bbc_url" href="http://www.southerncaliforniaweatherauthority.com/">http://www.southerncaliforniaweatherauthority.com/</a><br>

SCWXA Facebook - <a class="bbc_url" href="https://www.facebook.com/SouthernCaliforniaWeather">https://www.facebook.com/SouthernCaliforniaWeather</a><br><br>

TWS Website - <a class="bbc_url" href="http://www.theweatherspace.com/">http://www.theweatherspace.com/</a><br>

TWS Facebook - <a class="bbc_url" href="https://www.facebook.com/TheWeatherSpaceNetwork">https://www.facebook.com/TheWeatherSpaceNetwork</a></p>

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Tom Grand Master

Tom

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The Clipper Friday night should be getting better sampling on tonights 00z runs, Sunday Clipper more than likely Saturday morning.  Sunday Clipper will be the one to pay attention starting Friday 00z runs.  Hopefully it can juice up some more.

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DominicR Newbie

DominicR

Posted
Posted

Tommorow night looking pretty nice with snow and blowing snow

 

LOT:

URGENT - WINTER WEATHER MESSAGENATIONAL WEATHER SERVICE CHICAGO IL809 PM CST THU JAN 23 2014...DANGEROUSLY COLD WIND CHILLS TONIGHT THROUGH FRIDAY MORNINGTHEN GUSTY WINDS AND NEW SNOWFALL WILL BRING HAZARDOUS TRAVELCONDITIONS LATE FRIDAY MORNING THROUGH EARLY SATURDAY MORNING....THE COMBINATION OF SUBZERO TEMPERATURES AND WEST TO SOUTHWESTWINDS OF 10 TO 15 MPH OVERNIGHT WILL RESULT IN WIND CHILL VALUESFALLING TO 20 BELOW TO 30 BELOW ZERO INTO FRIDAY MORNING. VERYWINDY CONDITIONS WILL THEN DEVELOP FRIDAY AS SOUTHWEST WINDSINCREASE TO 25 TO 35 MPH WITH GUSTS TO 45 MPH BY AFTERNOON. THISWILL LEAD TO BLOWING AND DRIFTING OF SNOW ALREADY ON THE GROUND...AND THEN FALLING SNOW IS EXPECTED TO DEVELOP FRIDAY AFTERNOON ANDCONTINUE THROUGH FRIDAY NIGHT WITH 1 TO 3 INCHES OF ACCUMULATIONPOSSIBLE. CONTINUED WINDY CONDITIONS THROUGH FRIDAY NIGHT COMBINEDWITH THE NEWLY FALLING SNOW WILL CONTINUE TO PRESENT A HAZARD WITHREDUCED VISIBILITY AND BLOWING AND DRIFTING SNOW. SNOW SHOULDTAPER OFF AND END EARLY SATURDAY MORNING.ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-241030-/O.CON.KLOT.WC.Y.0004.000000T0000Z-140124T1600Z//O.CON.KLOT.WW.Y.0018.140124T1400Z-140125T1200Z/WINNEBAGO-BOONE-MCHENRY-LAKE IL-OGLE-LEE-DE KALB-KANE-DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-IROQUOIS-FORD-LAKE IN-PORTER-NEWTON-JASPER-BENTON-INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...WOODSTOCK...WAUKEGAN...OREGON...DIXON...DEKALB...AURORA...WHEATON...CHICAGO...OTTAWA...OSWEGO...MORRIS...JOLIET...KANKAKEE...PONTIAC...WATSEKA...PAXTON...GARY...VALPARAISO...MOROCCO...RENSSELAER...FOWLER809 PM CST THU JAN 23 2014 /909 PM EST THU JAN 23 2014/...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST /11 AMEST/ FRIDAY......WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 8 AM CST /9 AMEST/ FRIDAY TO 6 AM CST /7 AM EST/ SATURDAY...FOR THE WIND CHILL ADVISORY...* TIMING...OVERNIGHT THROUGH 10 AM CST FRIDAY MORNING.* WIND CHILL VALUES...WILL DROP TO BETWEEN 20 BELOW AND 30 BELOW  ZERO OVERNIGHT AND EARLY FRIDAY MORNING.* IMPACTS...FROST BITE AND HYPOTHERMIA CAN OCCUR IN A MATTER OF  MINUTES.FOR THE WINTER WEATHER ADVISORY...* TIMING...FROM 8 AM CST /9 AM EST/ FRIDAY TO 6 AM CST /7 AM EST/  SATURDAY.* SOUTHWEST WINDS WILL INCREASE TO 25 TO 35 MPH WITH GUSTS UP TO  45 MPH BY EARLY FRIDAY AFTERNOON...WITH LIGHT SNOW EXPECTED TO  DEVELOP. LIGHT SNOW WILL INCREASE IN INTENSITY FRIDAY NIGHT...  WITH 1 TO 3 INCHES OF ACCUMULATION POSSIBLE.* IMPACTS...BLOWING AND DRIFTING SNOW WILL LIKELY DEVELOP WITH THE  STRONG WINDS FRIDAY AND...AND WILL LIKELY WORSEN WITH THE  ADDITION OF FALLING AND ACCUMULATING SNOW LATER FRIDAY AFTERNOON  AND NIGHT. ROADS MAY BECOME SNOW COVERED AND HAZARDOUS...ESPECIALLY  IN OPEN AREAS...WITH SIGNIFICANTLY REDUCED VISIBILITIES.PRECAUTIONARY/PREPAREDNESS ACTIONS...A WIND CHILL ADVISORY MEANS THAT THE WIND WILL COMBINE WITH THEVERY COLD AIR TO GENERATE LOW WIND CHILLS. THIS WILL RESULT INFROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT ANDGLOVES.A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING AND DRIFTING SNOWMEANS THAT VISIBILITIES WILL BE LIMITED DUE TO STRONG WINDSBLOWING SNOW AROUND. USE CAUTION WHEN TRAVELING...ESPECIALLY INOPEN AREAS.&&
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Tom Grand Master

Tom

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00z NAM going way north with Sunday Clipper now...I guess the King Euro had it right this time around.  987mb SLP in C WI but still swings accumulating snow ahead of the system with temps in low teens during the snow.  Warm front passes on through ushering warmer temps into low 30's, then they crash.

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