Chicago Storm Posted December 29, 2020 Share Posted December 29, 2020 Delayed but not denied...The snow/mix line has finally been making steady northward progress, near I-80 in IA/IL now. Link to comment Share on other sites More sharing options...
cyclone77 Posted December 29, 2020 Share Posted December 29, 2020 Down to light snow now here, and MLI has shifted over to freezing rain. Would have loved for it to last longer, but that was a very nice thumping over the past few hours. 2 Link to comment Share on other sites More sharing options...
SchaumburgStormer Posted December 29, 2020 Share Posted December 29, 2020 Pounding +sn under these heavier returns 3 Link to comment Share on other sites More sharing options...
CheeselandSkies Posted December 29, 2020 Share Posted December 29, 2020 Me looking at MKX radar and seeing the reflectivity drop off sharply in eastern Iowa: "I wonder if there's anything back to the west..." (Pulls up DVN radar) "Holy **** is that a supercell?!" (I know it's not, but you don't generally expect to see >55dbz returns with a winter wx event) 2 Link to comment Share on other sites More sharing options...
Sciascia Posted December 29, 2020 Share Posted December 29, 2020 Currently in Elmwood Park. I wouldn’t say flake size is anything impressive, but it’s coming down hard like a wall. Link to comment Share on other sites More sharing options...
NEILwxbo Posted December 29, 2020 Share Posted December 29, 2020 As mentioned above, REALLY ripping under these heavier bands. 1.5-2”/hr rates for sure Link to comment Share on other sites More sharing options...
ChiTownSnow Posted December 30, 2020 Share Posted December 30, 2020 Temps dropped earlier from 30 to 27. Now 28 Link to comment Share on other sites More sharing options...
hawkeye_wx Posted December 30, 2020 Share Posted December 30, 2020 Another 2" in the last hour.... 7.6" total. 8 1 Link to comment Share on other sites More sharing options...
vortex Posted December 30, 2020 Share Posted December 30, 2020 All finished here. Guessing around 1.5”. I’ll take it all things considered. Correction, right at 2” Josh pic 3 Link to comment Share on other sites More sharing options...
Radtechwxman Posted December 30, 2020 Share Posted December 30, 2020 The convective nature of the snow in Iowa was very impressive. Tons of lightning strikes showing up near and north of the transition line. You can see gravity waves on reflectivity. Pretty awesome. 3 Link to comment Share on other sites More sharing options...
hawkeye_wx Posted December 30, 2020 Share Posted December 30, 2020 The winner so far is the Des Moines airport with 9.6". Des Moines has been a big bulls-eye this winter. So has Cedar Rapids. 2 Link to comment Share on other sites More sharing options...
cyclone77 Posted December 30, 2020 Share Posted December 30, 2020 Mostly freezing rain with a few pingers now here. Went out and removed the snow before it became encased in a crusty layer. Picked up 4.5" snow. 4 Link to comment Share on other sites More sharing options...
sbnwx85 Posted December 30, 2020 Share Posted December 30, 2020 Confirmed snowing here. Light to moderate. Might get an inch before it moves north. Link to comment Share on other sites More sharing options...
Radtechwxman Posted December 30, 2020 Share Posted December 30, 2020 Is it just me or did this move much faster than models had it? Looking like much less ice now with the substantial dry slot that advected in ahead of that last trailing band Link to comment Share on other sites More sharing options...
Natester Posted December 30, 2020 Share Posted December 30, 2020 Just now, StormChaser4Life said: Is it just me or did this move much faster than models had it? Looking like much less ice now with the substantial dry slot that advected in ahead of that last trailing band Yes it has. The show here will be totally over in a couple hours from now when all the models had the show end after midnight. Link to comment Share on other sites More sharing options...
cyclone77 Posted December 30, 2020 Share Posted December 30, 2020 Interesting special weather statement from DVN a shot while ago. 1 3 Link to comment Share on other sites More sharing options...
Jackstraw Posted December 30, 2020 Share Posted December 30, 2020 7 minutes ago, StormChaser4Life said: The convective nature of the snow in Iowa was very impressive. Tons of lightning strikes showing up near and north of the transition line. You can see gravity waves on reflectivity. Pretty awesome. Saw that on Scope also (seeing as how it's the only decent radar left!). Meso was showing some decent 6-6.5 lapse rates moving up ahead of the mixing line. Don't think I've ever seen gravity wave depictions on radar in a winter storm. 1 Link to comment Share on other sites More sharing options...
Jackstraw Posted December 30, 2020 Share Posted December 30, 2020 8 minutes ago, cyclone77 said: Mostly freezing rain with a few pingers now here. Went out and removed the snow before it became encased in a crusty layer. Picked up 4.5" snow. Good job, now put it back when it's over and you can act like the nasties never happened! 1 Link to comment Share on other sites More sharing options...
hawkeye_wx Posted December 30, 2020 Share Posted December 30, 2020 The lightning did not make it up to Cedar Rapids, really the only box that wasn't checked. 1 Link to comment Share on other sites More sharing options...
Hoosier Posted December 30, 2020 Share Posted December 30, 2020 7 minutes ago, StormChaser4Life said: Is it just me or did this move much faster than models had it? Looking like much less ice now with the substantial dry slot that advected in ahead of that last trailing band That particular dry slot was always on the sim radars. Not sure if the overall west/east progression of the system is quicker though. Link to comment Share on other sites More sharing options...
Sciascia Posted December 30, 2020 Share Posted December 30, 2020 LOT with some 6pm snowfall updates. Link to comment Share on other sites More sharing options...
Radtechwxman Posted December 30, 2020 Share Posted December 30, 2020 10 minutes ago, Hoosier said: That particular dry slot was always on the sim radars. Not sure if the overall west/east progression of the system is quicker though. Yea models did depict dry slot well. It just seems like this moved out so fast. Maybe I'm wrong. Curious to see what model did best so we know which one to watch closer for 2nd storm. Link to comment Share on other sites More sharing options...
madwx Posted December 30, 2020 Share Posted December 30, 2020 lol the back end is already approaching the Mississippi River N of Dubuque. gotta go fast. Edit: a good 8 hours ahead of when the NAM has the back edge crossing the river Link to comment Share on other sites More sharing options...
Chicago Storm Posted December 30, 2020 Share Posted December 30, 2020 2 minutes ago, StormChaser4Life said: Yea models did depict dry slot well. It just seems like this moved out so fast. Maybe I'm wrong. Cutious to see what model did best so we know which one to watch closer for 2nd storm. What model did the best with this system (not the NAM), does not mean it would do as well with the next. Each scenario is different. 1 1 Link to comment Share on other sites More sharing options...
NEILwxbo Posted December 30, 2020 Share Posted December 30, 2020 2 minutes ago, StormChaser4Life said: Yea models did depict dry slot well. It just seems like this moved out so fast. Maybe I'm wrong. Cutious to see what model did best so we know which one to watch closer for 2nd storm. There is some filling that appears to be going on in NW IL, hopefully that expands east Link to comment Share on other sites More sharing options...
Sciascia Posted December 30, 2020 Share Posted December 30, 2020 Sounds like some sleet mixing in here Link to comment Share on other sites More sharing options...
Hoosier Posted December 30, 2020 Share Posted December 30, 2020 21 minutes ago, cyclone77 said: Mostly freezing rain with a few pingers now here. Went out and removed the snow before it became encased in a crusty layer. Picked up 4.5" snow. Not bad. I know we were talking about the RGEM over there... it looks like the earlier runs had the heavier amounts too far south. Link to comment Share on other sites More sharing options...
Radtechwxman Posted December 30, 2020 Share Posted December 30, 2020 1 minute ago, Chicago Storm said: What model did the best with this system (not the NAM), does not mean it would do as well with the next. Each scenario is different. That is true because it is a more robust system in the southern stream instead of northern stream. Closed low. But I still like to see what model handled this best. Gives me a good ground basis. Link to comment Share on other sites More sharing options...
madwx Posted December 30, 2020 Share Posted December 30, 2020 parts of DMX that were under a WSW until 6 AM are now probably only going to get freezing drizzle the rest of the storm La Crosse area is going to really get shafted. They were under an advisory(1 county away from a warning) and only had 0.8" as of 6pm Link to comment Share on other sites More sharing options...
Jackstraw Posted December 30, 2020 Share Posted December 30, 2020 Just now, StormChaser4Life said: Yea models did depict dry slot well. It just seems like this moved out so fast. Maybe I'm wrong. Cutious to see what model did best so we know which one to watch closer for 2nd storm. The models recently are like watching NeckCar at Talladega. Whomever is leading, the next lap they're liable to be 20th the following lap. But there's gonna be 2 or 3 big ones they catch, just a matter of where east of the Mississippi it happens 2 Link to comment Share on other sites More sharing options...
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