Hoosier Posted February 7, 2013 Share Posted February 7, 2013 go Link to comment Share on other sites More sharing options...
A-L-E-K Posted February 7, 2013 Share Posted February 7, 2013 12z hi-res with weenie band over chicago by 0z. LOT jacked amounts for the city This Afternoon Rain and snow. High near 38. East southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 2 inches possible. Tonight Snow, mainly before midnight. Low around 27. Northeast wind 10 to 15 mph becoming north northwest in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible. Link to comment Share on other sites More sharing options...
Hoosier Posted February 7, 2013 Author Share Posted February 7, 2013 LOT issued an advisory for the northern couple rows. Link to comment Share on other sites More sharing options...
Geos Posted February 7, 2013 Share Posted February 7, 2013 According to intellicast radar the rain/snow line is straight through Lake Co. right now. 31.8° here. http://www.intellicast.com/Local/WxMap.aspx?location=USIL0225 Link to comment Share on other sites More sharing options...
Brewers Posted February 7, 2013 Share Posted February 7, 2013 MKX has heavy snow in the grids for the rest of the day into tonight Link to comment Share on other sites More sharing options...
A-L-E-K Posted February 7, 2013 Share Posted February 7, 2013 According to intellicast radar the rain/snow line is straight through Lake Co. right now. 31.8° here. http://www.intellicast.com/Local/WxMap.aspx?location=USIL0225 looks like you might thread the needle, Geos! Link to comment Share on other sites More sharing options...
Hoosier Posted February 7, 2013 Author Share Posted February 7, 2013 On a related note, a storm like this would be a good case to split Cook county into two zones as only far northern areas look to have a chance at advisory amounts. It's kind of a problem when you have a county that spans like 50+ miles from north to south. Link to comment Share on other sites More sharing options...
frostfern Posted February 7, 2013 Share Posted February 7, 2013 My point forecast. This Afternoon Snow. The snow could be heavy at times. High near 32. East southeast wind around 10 mph. Chance of precipitation is 100%. Total daytime snow accumulation of around 6 inches. Tonight Snow. The snow could be heavy at times. Low around 25. East wind 10 to 15 mph. Chance of precipitation is 100%. New snow accumulation of around 9 inches. Are they really calling for 15" here? That's more than the 2011 GHD storm! Link to comment Share on other sites More sharing options...
Geos Posted February 7, 2013 Share Posted February 7, 2013 looks like you might thread the needle, Geos! So far it's looking good. Big 3/4" fluff balls coming down atm. Link to comment Share on other sites More sharing options...
Thundersnow12 Posted February 7, 2013 Share Posted February 7, 2013 It's about time. URGENT - WINTER WEATHER MESSAGENATIONAL WEATHER SERVICE CHICAGO IL1111 AM CST THU FEB 7 2013ILZ008-011>013-080115-/O.EXA.KLOT.WW.Y.0004.130207T2000Z-130208T0300Z/OGLE-DE KALB-KANE-DUPAGE-INCLUDING THE CITIES OF...OREGON...DEKALB...AURORA...WHEATON1111 AM CST THU FEB 7 2013...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO9 PM CST THIS EVENING...THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WINTERWEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECTFROM 2 PM THIS AFTERNOON TO 9 PM CST THIS EVENING.* TIMING...RAIN WILL GRADUALLY CHANGE OVER TO SNOW BY MID AFTERNOON IN TIME FOR THE EVENING RUSH. THE SNOW WILL CONTINUE INTO THIS EVENING...BEFORE TAPERING OFF.* ACCUMULATION...SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE POSSIBLE WITH SOME ISOLATED HIGHER AMOUNTS. THE HIGHEST AMOUNTS WILL BE NORTH OF INTERSTATE 88.* OTHER IMPACTS...THE THREAT FOR A PERIOD OF HEAVY SNOW COULD RESULT IN REDUCED VISIBILITIES UNDER A MILE AT TIMES AND RAPID ACCUMULATION ON AREA ROADS DURING THE EVENING COMMUTE Link to comment Share on other sites More sharing options...
A-L-E-K Posted February 7, 2013 Share Posted February 7, 2013 It's about time. URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHICAGO IL 1111 AM CST THU FEB 7 2013 ILZ008-011>013-080115- /O.EXA.KLOT.WW.Y.0004.130207T2000Z-130208T0300Z/ OGLE-DE KALB-KANE-DUPAGE- INCLUDING THE CITIES OF...OREGON...DEKALB...AURORA...WHEATON 1111 AM CST THU FEB 7 2013 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM CST THIS EVENING... THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM CST THIS EVENING. * TIMING...RAIN WILL GRADUALLY CHANGE OVER TO SNOW BY MID AFTERNOON IN TIME FOR THE EVENING RUSH. THE SNOW WILL CONTINUE INTO THIS EVENING...BEFORE TAPERING OFF. * ACCUMULATION...SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE POSSIBLE WITH SOME ISOLATED HIGHER AMOUNTS. THE HIGHEST AMOUNTS WILL BE NORTH OF INTERSTATE 88. * OTHER IMPACTS...THE THREAT FOR A PERIOD OF HEAVY SNOW COULD RESULT IN REDUCED VISIBILITIES UNDER A MILE AT TIMES AND RAPID ACCUMULATION ON AREA ROADS DURING THE EVENING COMMUTE I'm well north of I88 and in the northern 1/3 of cook and i'll be surprised if we see over .5" Link to comment Share on other sites More sharing options...
Brewers Posted February 7, 2013 Share Posted February 7, 2013 AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 1120 AM CST THU FEB 7 2013 DISCUSSION 1117 AM CST HAVE EXPANDED WINTER WEATHER ADVISORY TO INCLUDE WINNEBAGO AND BOONE COUNTIES AND THE I-88 CORRIDOR. RECENT AMDAR SOUNDINGS OUT OF ORD/MDW SHOW WARM LAYER UP TO JUST UNDER +3C BETWEEN 950 AND 900 MB...WHICH LATEST RAP HAS A DECENT HANDLE ON...RESULTING IN PLAIN RAIN FOR THE CITY AND POINTS SOUTH. HOWEVER...TEMPERATURES AT THAT LEVEL ACROSS THE NORTHERN TIER OF COUNTIES ARE DOWN BELOW 1C...ALREADY SUPPORTING A CHANGE TO SNOW WITH THE CURRENT OB AT KUGN DOWN TO 1/2 MILE VSBY IN SNOW. ALSO RECEIVED A REPORT OF SNOW STARTING TO ACCUMULATE IN WAUKEGAN AND ZION IL AND A CHANGEOVER IN CHERRY VALLEY IL. WITH THIS IN MIND...WILL START RIGHT OUT THE GATE WITH AN ADVISORY FOR WINNEBAGO BOONE MCHENRY AND LAKE COUNTIES. ALSO BUMPED UP SNOW AMOUNTS TO 2 TO 5 INCHES FOR THE NORTHERN TIER GIVEN THE EARLIER START TIME TO THE SNOW. FARTHER TO THE SOUTH...FOR THE I-88 CORRIDOR...THE RAP ALSO SHOWS THE 950 TO 900MB LAYER QUICKLY COOLING OFF BELOW 0C THROUGH THE AFTERNOON INDICATIVE OF DYNAMIC COOLING. SO THESE AREAS SHOULD CHANGE BACK OVER TO SNOW AND SEE DECENT SNOWFALL RATES GIVEN THE FORCING AT HAND AND THE FACT THAT SURFACE TEMPERATURES EVEN NOW ARE HOVERING JUST ABOVE FREEZING. FORECAST AMOUNTS WILL BE MARGINAL FOR AN ADVISORY AT ROUGHLY 2 TO 4 INCHES...BUT SINCE THE RUSH HOUR WILL BE IMPACTED...FELT IT WAS PRUDENT TO ISSUE ONE STARTING AT 20Z. INCLUDED OGLE...DEKALB...KANE...DUPAGE AND COOK IN THIS NEW ADVISORY...BUT KEEP IN MIND THAT THERE WILL LIKELY BE A GRADIENT FROM NORTH TO SOUTH ACROSS DEKALB THROUGH COOK WHERE THE NORTHERN PORTIONS WILL BE SEEING THE MORE SIGNIFICANT IMPACTS FROM THE SNOW. WITH A GOOD FGEN BAND COINCIDENT WITH STRONG LIFT NOTED ON MUCH OF THE GUIDANCE PIVOTING ACROSS THE CWA AND BEING LOCATED OVER NORTHEAST ILLINOIS INCLUDING CHICAGO BY THE EARLY EVENING...ALSO CONCERNED THAT HEAVY SNOWFALL RATES COULD LEAD TO HIGHER TOTALS THAN THE 3 TO 5 INDICATED IN LAKE AND MCHENRY ALONG THE I-88 CORRIDOR IN NORTHEAST ILLINOIS. WILL CONTINUE TO ASSESS FOR ANY FURTHER UPDATES NEEDED. BUT IN SUM...THE AFTERNOON COMMUTE IS LIKELY TO BE PRETTY MESSY...ESPECIALLY FOR THE NORTHERN PART OF THE METRO. Link to comment Share on other sites More sharing options...
A-L-E-K Posted February 7, 2013 Share Posted February 7, 2013 snow line moving south through SW WI into NW IL as northern 850 gets going..gonna have to watch how much longer WAA continues over NE IL...still pretty aggressive right now. Link to comment Share on other sites More sharing options...
chances14 Posted February 7, 2013 Share Posted February 7, 2013 channel 7 abc in detroit still calling for 7-10 inches along I69. sure hope they're right Link to comment Share on other sites More sharing options...
SpartyOn Posted February 7, 2013 Share Posted February 7, 2013 Looks like a period of freezing rain is likely around SeMI for a decent duration. Link to comment Share on other sites More sharing options...
SchaumburgStormer Posted February 7, 2013 Share Posted February 7, 2013 snow line moving south through SW WI into NW IL as northern 850 gets going..gonna have to watch how much longer WAA continues over NE IL...still pretty aggressive right now. Pouring rain out here. Very skeptical that I wi receive snow Link to comment Share on other sites More sharing options...
dmc76 Posted February 7, 2013 Share Posted February 7, 2013 channel 7 abc in detroit still calling for 7-10 inches along I69. sure hope they're right 10" is high. I doubt it. 6-7" seems about right. Link to comment Share on other sites More sharing options...
icebreaker5221 Posted February 7, 2013 Share Posted February 7, 2013 snow line moving south through SW WI into NW IL as northern 850 gets going..gonna have to watch how much longer WAA continues over NE IL...still pretty aggressive right now. You can real see how that deceleration of the winds perpendicular to the T gradient over S/central MI is helping to squeeze out the maximum amount of moisture. Shaping up to be a very nice event! Good luck to all, and keep the pics comin! Link to comment Share on other sites More sharing options...
A-L-E-K Posted February 7, 2013 Share Posted February 7, 2013 Pouring rain out here. Very skeptical that I wi receive snow I've been looking around...I think it's good that we are see the heavy rain now, as it's helping keep temps down as much as possible. I think anyone south of the current edge of good returns is out of the game. Also watching the band over Iowa right now...if it holds together and pivots through later, a brief period of quality snow looks possible. Plenty of good returns upstream...we just need to switch on time. Link to comment Share on other sites More sharing options...
wisconsinwx Posted February 7, 2013 Share Posted February 7, 2013 Up to moderate snow now. Roads are starting to get a bit treacherous, we'll see how things progress this afternoon. Link to comment Share on other sites More sharing options...
Harry Perry Posted February 7, 2013 Share Posted February 7, 2013 This forecast is for Battle Creek... This Afternoon Rain and sleet likely, mainly after 4pm. Cloudy, with a high near 33. East wind 10 to 13 mph. Chance of precipitation is 70%. Little or no snow accumulation expected. Tonight Rain and sleet before 10pm, then snow. Low around 26. East wind 8 to 15 mph becoming north after midnight. Chance of precipitation is 100%. New snow and sleet accumulation of around an inch possible. Dry slot much? 40 miles north.... This Afternoon Snow. High near 33. East wind around 10 mph. Chance of precipitation is 100%. Total daytime snow accumulation of around 3 inches. Tonight Snow. The snow could be heavy at times. Low around 26. East wind 10 to 14 mph becoming north after midnight. Chance of precipitation is 100%. New snow accumulation of around 7 inches. Haha someone is going to bust HARD. Link to comment Share on other sites More sharing options...
Hoosier Posted February 7, 2013 Author Share Posted February 7, 2013 I've been looking around...I think it's good that we are see the heavy rain now, as it's helping keep temps down as much as possible. I think anyone south of the current edge of good returns is out of the game. Also watching the band over Iowa right now...if it holds together and pivots through later, a brief period of quality snow looks possible. Plenty of good returns upstream...we just need to switch on time. I think anything before 21z is garbage time around there. 21z-00z is when I would look for the changeover to have moved southeast through most of Chicagoland so just have to hope there is precip left. Link to comment Share on other sites More sharing options...
A-L-E-K Posted February 7, 2013 Share Posted February 7, 2013 I think anything before 21z is garbage time around there. 21z-00z is when I would look for the changeover to have moved southeast through most of Chicagoland so just have to hope there is precip left. Sounds about right...some of the hi-res have a nice band over the city around 0z, so we might have a 3-4 hour window to do some damage. Link to comment Share on other sites More sharing options...
Geos Posted February 7, 2013 Share Posted February 7, 2013 Heaviest snowfall rates of the winter, no doubt right now. Link to comment Share on other sites More sharing options...
dmc76 Posted February 7, 2013 Share Posted February 7, 2013 LOL WJBK Link to comment Share on other sites More sharing options...
turtlehurricane Posted February 7, 2013 Share Posted February 7, 2013 Roads and sidewalks covered with snow, with sludge and ice just below the surface. These are probably the worst walking conditions of the year. 0.5 mile visibility at MSN and .06" liquid between 10 and 11 am, probably 10:1 ratios or less since the temp on top of the met building is up to 32.7 F. Link to comment Share on other sites More sharing options...
A-L-E-K Posted February 7, 2013 Share Posted February 7, 2013 If Geos! stays all snow and it looks like he will, he might be the WI/IL winner Link to comment Share on other sites More sharing options...
chances14 Posted February 7, 2013 Share Posted February 7, 2013 LOL WJBK haha fox 2 has always been uber conservative on snowfall amounts for any snowstorm in this area Link to comment Share on other sites More sharing options...
Brewers Posted February 7, 2013 Share Posted February 7, 2013 Heaviest snowfall rates of the winter, no doubt right now. Is this your LSR, Geos? 000NWUS53 KLOT 071736LSRLOTPRELIMINARY LOCAL STORM REPORTNATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL1136 AM CST THU FEB 07 2013..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON.....DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS..1130 AM HEAVY SNOW BEACH PARK 42.42N 87.86W02/07/2013 M0.8 INCH LAKE IL PUBLIC SNOW TOTAL SO FAR. HEAVY SNOW AT TIME OF REPORT. SNOWFLAKES UP TO 1 INCH IN DIAMETER. Link to comment Share on other sites More sharing options...
Geos Posted February 7, 2013 Share Posted February 7, 2013 1.2" here already. I can't even see the end of my block right now. This is crazy. Link to comment Share on other sites More sharing options...
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