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Dec 27-29th LES/Snow Event


Chicago Storm

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None taken. Snow-wise though, it's hard to be positive when you live in one of Canada's least snowiest cities east of the Rocky Mountains. :-) I've also had to learn to lower my expectations after 6 years of living in Ottawa.

Well, officially, we on average get equal to if not more snow than any major city in the prairie provinces. But I get the drift, that's not been the case over the last 4 years or so.

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Pretty much a complete fail here. Snow should be ending here shortly. I doubt there's even a half an inch outside.

I can't see that north end band forming. Sure doesn't look like it now. Just barely hanging onto 15 dbz returns. Can't tell how much has fallen, but it's better than a half inch w/o the LES that fell this morning.

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I can't see that north end band forming. Sure doesn't look like it now. Just barely hanging onto 15 dbz returns. Can't tell how much has fallen, but it's better than a half inch w/o the LES that fell this morning.

Sounds like you did better than me. The cars in the parking lot at work don't even have snow on them. I would say 0.1-0.2" would be a better estimate here.

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Sounds like you did better than me. The cars in the parking lot at work don't even have snow on them. I would say 0.1-0.2" would be a better estimate here.

Down to flurries in Waukegan. The ligher colored cars have snow on them, but not the dark ones. The cars that have been in the lot the longest have snow on their windows, but not their roofs.

Skilling still harping on the return of the LES plume... not so sure will see it though.

Lol, a couple years ago, we would not be talking about measly snows like this! :lmao:

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I hope you're right. I was convinced that I was going to be a Robbie Gould kick, splitting the northern and southern waves.

Looks like IWX is thinking 1-3" for you, so we're close. Updated aviation discussion.

.AVIATION...

WAA RESPONSIBLE FOR MODERATE SNOW THIS MORNING IS FINALLY

BEGINNING TO LIFT NORTH AND WEAKEN. EXPECT A GRADUAL IMPROVEMENT

AT KSBN OVER THE NEXT FEW HOURS. LINGERING MOISTURE AHEAD OF AN

APPROACHING TROUGH WILL RESULT IN PERSISTENT LOW END MVFR CIGS

THOUGH. MIDLEVEL VORT MAX CURRENTLY OVER THE SOUTHERN PLAINS WILL

SPAWN SURFACE LOW PRESSURE OVER THE APPALACHIAN REGION TONIGHT.

DEFORMATION ZONE IN THE NORTHWEST FLANK WILL SUPPORT LIGHT SNOW

AFTER 06Z...MAINLY AT KFWA. LIFR CONDITIONS ARE POSSIBLE AT KFWA

LATE TONIGHT INTO TOMORROW MORNING WITH 1-3 INCHES OF ACCUMULATION

POSSIBLE BY THE END OF THE TAF PERIOD.

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Lol pretty pathetic snow totals.

000

NWUS53 KMKX 281833

LSRMKX

PRELIMINARY LOCAL STORM REPORT

NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI

1232 PM CST FRI DEC 28 2012

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...

..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....

..REMARKS..

1227 PM SNOW MADISON TRUAX AIRPORT 43.14N 89.33W

12/28/2012 M1.0 INCH DANE WI OFFICIAL NWS OBS

1227 PM SNOW SULLIVAN 43.01N 88.59W

12/28/2012 M0.1 INCH JEFFERSON WI OFFICIAL NWS OBS

1227 PM SNOW MILWAUKEE INTERNATIONAL 42.94N 87.90W

12/28/2012 E0.2 INCH MILWAUKEE WI OFFICIAL NWS OBS

&&

$$

RSCHAAR

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URGENT - WINTER WEATHER MESSAGE  

NATIONAL WEATHER SERVICE INDIANAPOLIS IN  

148 PM EST FRI DEC 28 2012  

   

..SNOW ON THE WAY  

 

.LOW PRESSURE PASSING THROUGH KENTUCKY WILL CAUSE SNOW IN CENTRAL  

INDIANA TONIGHT.  

 

INZ041-042-049-053>057-060>065-067>072-290300-  

/O.NEW.KIND.WW.Y.0007.121229T0000Z-121229T1200Z/  

DELAWARE-RANDOLPH-HENRY-OWEN-MORGAN-JOHNSON-SHELBY-RUSH-SULLIVAN-  

GREENE-MONROE-BROWN-BARTHOLOMEW-DECATUR-KNOX-DAVIESS-MARTIN-  

LAWRENCE-JACKSON-JENNINGS-  

INCLUDING THE CITIES OF...MUNCIE...SHELBYVILLE...BLOOMINGTON...  

COLUMBUS...VINCENNES...BEDFORD...SEYMOUR  

148 PM EST FRI DEC 28 2012  

 

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO  

7 AM EST SATURDAY...  

 

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A WINTER  

WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 7 PM THIS EVENING  

TO 7 AM EST SATURDAY.  

 

* MAIN IMPACT: TRAVEL MAY BECOME DIFFICULT.  

 

* ACCUMULATIONS: THREE TO FIVE INCHES.  

 

* TIMING: OVERNIGHT.  

 

* WIND CHILL VALUES: AROUND 20.  

 

PRECAUTIONARY/PREPAREDNESS ACTIONS...  

 

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW  

WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW  

COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE  

DRIVING.  

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WWA's expanded to just south of Indy.

Updated AFD.

ISSUED AT 141 PM EST FRI DEC 28 2012

BIG ISSUE IS SNOW AMOUNTS.

ALL MODELS AGREE THAT IT WILL SNOW. THEY ALSO MORE OR LESS AGREE

AMOUNTS ABOUT 3-4 INCHES EXTREME SOUTH TO LESS THAN AN INCH

NORTHWEST.

THIS MAY BE LOW. IN CROSS SECTION...GOOD ALIGNMENT OF RATHER STRONG

Q VECTOR DIVERGENCE AND FRONTOGENESIS. SOME UNSTABLE EQUIVALENT

POTENTIAL VORTICITY IN SAME AREA.

AS PER TRAINING FROM WARNING DECISION TRAINING BRANCH...WHEN ALL

THESE ALIGN SITUATION IS QUITE FAVORABLE FOR SNOW. THUS WILL BUMP

MODEL ACCUMULATIONS TO 3 TO 5 SOUTHEAST...WHERE ADVISORY WILL BE

NEEDED...TO AROUND ONE INCH NORTHWEST.

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WWA's expanded to just south of Indy.

Updated AFD.

ISSUED AT 141 PM EST FRI DEC 28 2012

BIG ISSUE IS SNOW AMOUNTS.

ALL MODELS AGREE THAT IT WILL SNOW. THEY ALSO MORE OR LESS AGREE

AMOUNTS ABOUT 3-4 INCHES EXTREME SOUTH TO LESS THAN AN INCH

NORTHWEST.

THIS MAY BE LOW. IN CROSS SECTION...GOOD ALIGNMENT OF RATHER STRONG

Q VECTOR DIVERGENCE AND FRONTOGENESIS. SOME UNSTABLE EQUIVALENT

POTENTIAL VORTICITY IN SAME AREA.

AS PER TRAINING FROM WARNING DECISION TRAINING BRANCH...WHEN ALL

THESE ALIGN SITUATION IS QUITE FAVORABLE FOR SNOW. THUS WILL BUMP

MODEL ACCUMULATIONS TO 3 TO 5 SOUTHEAST...WHERE ADVISORY WILL BE

NEEDED...TO AROUND ONE INCH NORTHWEST.

:cry:

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Lol, it would be funny if the suburbs in NE Cook County were the big winners with the 2 day snow totals!

Still snowing the same. Flake rate might have increased a tad. Will be easily measurable with no wind.

they won't be

Hmm, well maybe! At least outside of the southern wave. That band north of Milwaukee is broken up and poorly structured.

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