beavis1729 Posted January 23, 2013 Share Posted January 23, 2013 Strangely enough, tonight may be the coldest night of this cold wave over the Upper Midwest, as another lobe of arctic air drops down. This is because conditions for radiational cooling should be much better tonight. NWS is calling for -37 in INL. Link to comment Share on other sites More sharing options...
Geos Posted January 23, 2013 Share Posted January 23, 2013 Been snowing here since 10am. Picked up 0.1". Flake size has been increasing a little bit as the higher returns move closer. Link to comment Share on other sites More sharing options...
A-L-E-K Posted January 23, 2013 Share Posted January 23, 2013 6 flakes have fallen downtown Link to comment Share on other sites More sharing options...
Thundersnow12 Posted January 23, 2013 Share Posted January 23, 2013 Have had solid light -SN for about an hour hour with a good dusting and blowing around. Link to comment Share on other sites More sharing options...
SchaumburgStormer Posted January 23, 2013 Share Posted January 23, 2013 Dusting in mby. I was driving back from barrington and the state was salting the roads as if we were expecting an ice storm. Link to comment Share on other sites More sharing options...
Jonger Posted January 23, 2013 Share Posted January 23, 2013 Dusting in mby. I was driving back from barrington and the state was salting the roads as if we were expecting an ice storm. Gotta blow through that budget! Link to comment Share on other sites More sharing options...
Geos Posted January 23, 2013 Share Posted January 23, 2013 Dusting in mby. I was driving back from barrington and the state was salting the roads as if we were expecting an ice storm. They always seem to salt like crazy around that area! Gurnee usually does too. Had a low of 5° this morning. Little warmer thanks to a few clouds over night. Up to 16° now at 2pm. Link to comment Share on other sites More sharing options...
Stebo Posted January 23, 2013 Share Posted January 23, 2013 Gotta blow through that budget! <1" events tend to be pretty bad with respect to the roads as most of the snow just melts and freezes to the roads. It is understandable why they would be salting. Link to comment Share on other sites More sharing options...
BowMeHunter Posted January 23, 2013 Share Posted January 23, 2013 They always seem to salt like crazy around that area! Gurnee usually does too. Had a low of 6° around midnight with mostly clear skys. Little warmer with rising temps to 10° at 5am thanks to clouds and winds going sw over night. Up to 17° now at 2pm. Link to comment Share on other sites More sharing options...
Roger Smith Posted January 23, 2013 Share Posted January 23, 2013 Any thought being given to N-NE wind direction tomorrow with associated LES heading into odd places like Saginaw Bay from Lake Huron and down the St Clair River with enhancement from Lake St Clair into Detroit-Windsor? Or will it be NNW to N and fall mostly in Sarnia towards Ridgetown ON? The current weak Great Lakes thermal low will be blasting past Lake Ontario by sunrise and flow should turn almost NE for a time, tapping into the -30s over northern Ontario. Lake Huron is 3-5 C, should be rather easy to get low-topped conveyor belt type streamers going and while narrow they could be dropping 5-10 inch amounts locally. Link to comment Share on other sites More sharing options...
Hoosier Posted January 23, 2013 Share Posted January 23, 2013 Is this a typo? DVN A NARROW BAND OF DENDRITIC SNOW THIS MORNING ACCUMULATED TO 0.5 TO 2.0 INCHES ROUGHLY ALONG HIGHWAY 20. THIS BAND OF SNOW OCCURRED ON THE CYCLONIC SIDE OF A NARROW 100 KNOT MID LEVEL WIND MAXIMUM WHERE VERTICAL MOTION WAS ENHANCED AND WAS CONCENTRATED IN A TIGHT BAROCLINIC ZONE. 850 MB TEMPERATURES AT 12Z WERE -20C AT KGRB AND +1C AT KOMA. SOUNDINGS INDICATED SATURATION OCCURRED IN THE FAVORED DENDRITIC GROWTH ZONE OF -12 TO -18C. SNOW/LIQUID RATIOS WERE AN INCREDIBLE 120:1 BASED ON OBSERVER MEASUREMENTS. Link to comment Share on other sites More sharing options...
Stebo Posted January 23, 2013 Share Posted January 23, 2013 Is this a typo? DVN A NARROW BAND OF DENDRITIC SNOW THIS MORNING ACCUMULATED TO 0.5 TO 2.0 INCHES ROUGHLY ALONG HIGHWAY 20. THIS BAND OF SNOW OCCURRED ON THE CYCLONIC SIDE OF A NARROW 100 KNOT MID LEVEL WIND MAXIMUM WHERE VERTICAL MOTION WAS ENHANCED AND WAS CONCENTRATED IN A TIGHT BAROCLINIC ZONE. 850 MB TEMPERATURES AT 12Z WERE -20C AT KGRB AND +1C AT KOMA. SOUNDINGS INDICATED SATURATION OCCURRED IN THE FAVORED DENDRITIC GROWTH ZONE OF -12 TO -18C. SNOW/LIQUID RATIOS WERE AN INCREDIBLE 120:1 BASED ON OBSERVER MEASUREMENTS. Unless someone got like 6" of snow out of 0.005 liquid equivalent I am going to guess yes, although the word incredible makes me wonder. Link to comment Share on other sites More sharing options...
Brewers Posted January 23, 2013 Share Posted January 23, 2013 off and on light snow, temp holding in the upper teens. Link to comment Share on other sites More sharing options...
Geos Posted January 23, 2013 Share Posted January 23, 2013 They always seem to salt like crazy around that area! Gurnee usually does too. Had a low of 6° around midnight with mostly clear skys. Little warmer with rising temps to 10° at 5am thanks to clouds and winds going sw over night. Up to 17° now at 2pm. 5.2° at the nearest wunderground station in Zion. Just flurries right now. Looks like ORD is under an intense band right now. --- Lol 120:1 ratios! Yeah that's a typo, if not I want to see pics. Link to comment Share on other sites More sharing options...
Hoosier Posted January 23, 2013 Share Posted January 23, 2013 Unless someone got like 6" of snow out of 0.005 liquid equivalent I am going to guess yes, although the word incredible makes me wonder. Me too. I've never heard of ratios like that even in lake effect areas. Link to comment Share on other sites More sharing options...
SchaumburgStormer Posted January 23, 2013 Share Posted January 23, 2013 Unless someone got like 6" of snow out of 0.005 liquid equivalent I am going to guess yes, although the word incredible makes me wonder. I am confused, wouldn't .01" of water at 120/1 be 1.2 inches of snow? Or I am missing something in regards to how ratios work? Link to comment Share on other sites More sharing options...
MidwestChaser Posted January 23, 2013 Share Posted January 23, 2013 Snowing pretty decently here. Link to comment Share on other sites More sharing options...
Stebo Posted January 23, 2013 Share Posted January 23, 2013 I am confused, wouldn't .01" of water at 120/1 be 1.2 inches of snow? Or I am missing something in regards to how ratios work? Nm, you are right. I think I need a nap after that brain lapse... I guess 1.2" out of .01 liquid could be possible. Though I would highly doubt it. Link to comment Share on other sites More sharing options...
turtlehurricane Posted January 23, 2013 Share Posted January 23, 2013 Ground and cars covered with snow here, up to a balmy 19 F. Link to comment Share on other sites More sharing options...
mnweather Posted January 23, 2013 Share Posted January 23, 2013 CAA has ensued. Down to -1 after a high of 7 today. Link to comment Share on other sites More sharing options...
Thundersnow12 Posted January 23, 2013 Share Posted January 23, 2013 Me too. I've never heard of ratios like that even in lake effect areas. I believe 80:1 or 100:1 were mentioned with the 12/26/09 event here. Link to comment Share on other sites More sharing options...
Allsnow Posted January 23, 2013 Share Posted January 23, 2013 Nice band heading into Chicago Link to comment Share on other sites More sharing options...
Hoosier Posted January 23, 2013 Share Posted January 23, 2013 The DGZ was progged to be like 400 mb deep in northern IL today so maybe the high ratios are legit. Plus I don't know what they would've meant to type in place of 120...say they accidentally added a 1 to the 120...that would make it 20:1 which is not all that incredible. Link to comment Share on other sites More sharing options...
Stebo Posted January 23, 2013 Share Posted January 23, 2013 PRELIMINARY LOCAL STORM REPORTNATIONAL WEATHER SERVICE QUAD CITIES IA IL1208 PM CST WED JAN 23 2013..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON.....DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS..1206 PM SNOW 1 NW DUBUQUE REGIONAL A 42.41N 90.73W01/23/2013 M1.2 INCH DUBUQUE IA OFFICIAL NWS OBS 6 HOUR SNOWFALL TOTAL This might be the report they mention, the 6 hour precip per asos were a trace there. Though using ASOS to adequately measure snowfall with winds over 10kts is asking a lot. Link to comment Share on other sites More sharing options...
Hoosier Posted January 23, 2013 Share Posted January 23, 2013 I believe 80:1 or 100:1 were mentioned with the 12/26/09 event here. Yeah I was wondering about that event. Can't find it in the LOT archive for some reason. Link to comment Share on other sites More sharing options...
Hoosier Posted January 23, 2013 Share Posted January 23, 2013 PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE QUAD CITIES IA IL 1208 PM CST WED JAN 23 2013 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 1206 PM SNOW 1 NW DUBUQUE REGIONAL A 42.41N 90.73W 01/23/2013 M1.2 INCH DUBUQUE IA OFFICIAL NWS OBS 6 HOUR SNOWFALL TOTAL This might be the report they mention, the 6 hour precip per asos were a trace there. Though using ASOS to adequately measure snowfall with winds over 10kts is asking a lot. It looks like the winds were less than that while it was snowing...well, at least the hourly obs were less. Link to comment Share on other sites More sharing options...
A-L-E-K Posted January 23, 2013 Share Posted January 23, 2013 mid-level light snow Link to comment Share on other sites More sharing options...
A-L-E-K Posted January 23, 2013 Share Posted January 23, 2013 back down to low end dust Link to comment Share on other sites More sharing options...
Thundersnow12 Posted January 23, 2013 Share Posted January 23, 2013 Yeah I was wondering about that event. Can't find it in the LOT archive for some reason. Yeah I don't know why it's not on the site but found it on the northern IL snow event thread on here. http://www.crh.noaa.gov/news/display_cmsstory.php?wfo=lot&storyid=45219&source=2 Link to comment Share on other sites More sharing options...
Chicago WX Posted January 23, 2013 Share Posted January 23, 2013 17" of snow with a T of precip at LAF for the V Day blizzard. Technically a true story. Link to comment Share on other sites More sharing options...
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