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January 27-28 Wintry System


wisconsinwx

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Have some light snow falling here now for the past few minutes. Seems to wanna get going and then slackens off a bit again. It is trying.

 

That's the way it was here. Give it about 20 minutes to really get going!

 

Just had a brief sleet shower.

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MESOSCALE DISCUSSION 0052   NWS STORM PREDICTION CENTER NORMAN OK   0331 PM CST SUN JAN 27 2013      AREAS AFFECTED...NERN IL...NRN IND...SWRN LOWER MI      CONCERNING...FREEZING RAIN       VALID 272131Z - 280130Z      SUMMARY...FREEZING RAIN RATES APPROACHING 0.05 INCH PER HOUR ARE   POSSIBLE OVER THE REGION THROUGH THE LATE AFTERNOON/EARLY EVENING   HOURS.  PRECIPITATION IS EXPECTED TO END OR CHANGE OVER TO RAIN BY   MIDNIGHT ACROSS THE AREA.      DISCUSSION...FREEZING RAIN HAS BEEN REPORTED ACROSS ERN IA/SRN   WI/NRN IL DURING THE AFTERNOON AND THIS THREAT IS EXPECTED TO   CONTINUE EWD WITH THE LOW-LEVEL WARM ADVECTION REGIME.  RAP-BASED   FORECAST SOUNDINGS ACROSS THE REGION INDICATE THAT A STRONG WARM   NOSE WILL DEVELOP BETWEEN 700 AND 850 MB WHILE MAINTAINING SURFACE   TEMPERATURES AOB FREEZING INTO THE EVENING HOURS.  AS THE PROFILE   SATURATES...FREEZING RAIN RATES NEAR 0.05 INCH PER HOUR WITH LOCALLY   HIGHER AMOUNTS WILL BE POSSIBLE.      ..JIRAK.. 01/27/2013
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With the onset of the warmth during the nightime hours the time line to icing conditions might be a little skewed. Temp breaking 32deg at 2am @DTW and temps near 40 at 8am. I'm thinking the icing conditions will last sometime into the morning and relax around 7am.  Even then it might take some tiime for the accumulated ice to melt off.

 

Im thinking this is going to be a fun night ahead. Three of my clients are open till 3am with lots of foot traffic. Very glad I presalted this AM in preparing for tonight.

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01/27/2013 0400 PM

Morton Grove, Cook County.

Freezing rain m0.20 inch, reported by trained spotter.


            A mix of snow/sleet/freezing rain began at 1 PM. Switched
            to freezing rain around 230 PM. At 4 PM... had a build up 
            of two tenths of an inch, 0.2, of ice on pavement and 
            orther surfaces.

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Snow/sleet looks like it's already on Detroit's doorstep. Extrapolating, I'm thinking the 8-9z start time here in Toronto is too slow.

Nah, that's probably right. It's been a virga fest here. I'm just now starting to get precip. I've been expecting it to start for the past 2 1/2hrs.

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Alek how close is this to you?

PRELIMINARY LOCAL STORM REPORT

NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL

504 PM CST SUN JAN 27 2013

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

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

..REMARKS..

0445 PM FREEZING RAIN CHICAGO 41.88N 87.63W

01/27/2013 E0.20 INCH COOK IL PUBLIC

0.2 INCHES OF ICE ACCUMULATION ON SIDEWALKS, TREES, FENCES, STAIRS AND UNTREATED SURFACES.

OBSERVATION REPORTED IN THE EDGEWATER NEIGHBORHOOD OF CHICAGO, NEAR THE INTERSECTION OF FOSTER AVE. AND SHERIDAN RD.

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