michsnowfreak Posted February 6, 2013 Share Posted February 6, 2013 1.23" for YYZ. So I was hitting the bottle early on Sunday when I booked a 10"+ storm for you this winter, eh SSC? 0.56" at DTW is very nice....as long as there are better than 10-1 ratios, this would actually beat Dec 26 for our biggest storm of the winter. That was 6.3" but on 0.44" water. Like I said wont get too excited til other models on board. Link to comment Share on other sites More sharing options...
Brewers Posted February 6, 2013 Share Posted February 6, 2013 Just a guess based off of maps, we have two 6 hour periods of 0.1-0.25" QPF, and one period of 0.25-0.5"QPF, so probably about 0.6-0.7"QPF, and nearly all should be snow based on 850s. Nice, I see RAC has .84 qpf, all snow. I would think MKX would have some sort of headline up by the time I wake up tomorrow. Link to comment Share on other sites More sharing options...
cyclone77 Posted February 6, 2013 Share Posted February 6, 2013 1.23" for YYZ. So I was hitting the bottle early on Sunday when I booked a 10"+ storm for you this winter, eh SSC? 0.56" at DTW is very nice....as long as there are better than 10-1 ratios, this would actually beat Dec 26 for our biggest storm of the winter. That was 6.3" but on 0.44" water. Like I said wont get too excited til other models on board. Man, that's awesome. Hope trends continue and they get obliterated there. Link to comment Share on other sites More sharing options...
Hoosier Posted February 6, 2013 Share Posted February 6, 2013 Just throwing this out there, because it could be relevant, but the Euro last night had 925mb temps at ORD for 18z Tuesday (today) at 0.1C. I don't believe ORD got above 30F or 31F today, correct me if I'm wrong, so that could be a good sign that even the Euro could be overdoing temps just a wee bit and not taking snowcover into account. ORD had a high of 34. Link to comment Share on other sites More sharing options...
wisconsinwx Posted February 6, 2013 Author Share Posted February 6, 2013 ORD had a high of 34. When was it recorded? I remember at noon they were around 30 with snow approaching. Link to comment Share on other sites More sharing options...
WestCoaster Posted February 6, 2013 Share Posted February 6, 2013 I apologize for asking, but what exactly is the correlation between QPF and accumulations? Link to comment Share on other sites More sharing options...
Hoosier Posted February 6, 2013 Share Posted February 6, 2013 When was it recorded? I remember at noon they were around 30 with snow approaching. 1:57 pm local time per the climate report. Link to comment Share on other sites More sharing options...
Geos Posted February 6, 2013 Share Posted February 6, 2013 1:57 pm local time per the climate report. While it was snowing! Temperatures did the opposite here when it started snowing. Doesn't sound right. Dang, 0.86" at UGN stays just below freezing. Link to comment Share on other sites More sharing options...
Hoosier Posted February 6, 2013 Share Posted February 6, 2013 While it was snowing! Temperatures did the opposite here when it started snowing. Dang, 0.86" at UGN stays just below freezing. Looks like there was a 4 degree intrahour spike at ORD...lol Link to comment Share on other sites More sharing options...
BeastFromTheEast Posted February 6, 2013 Share Posted February 6, 2013 I apologize for asking, but what exactly is the correlation between QPF and accumulations? QPF aka "Quantitative Precipitation Forecast" is a forecast of liquid/water equivalent of whatever will fall. Usually for every 1" of rain/liquid you get 10" of snow aka a 10:1 ratio.. Link to comment Share on other sites More sharing options...
Harry Posted February 6, 2013 Share Posted February 6, 2013 I'll take my .60 and run! Link to comment Share on other sites More sharing options...
WestCoaster Posted February 6, 2013 Share Posted February 6, 2013 QPF aka "Quantitative Precipitation Forecast" is a forecast of liquid/water equivalent of whatever will fall. Usually for every 1" of rain/liquid you get 10" of snow aka a 10:1 ratio.. Ah thank you very much. I knew what QPF was but I didn't really understand the conversion. Same thing as the 1 mm water = 1 cm snow rule of thumb. Wow that would be huge for YYZ.. nearly 13" !? Link to comment Share on other sites More sharing options...
TugHillMatt Posted February 6, 2013 Share Posted February 6, 2013 Actually shows .50+ for all of us. Highest from Muskegon/Grand Rapids east to the Thumb on over to SSC backyard .75+ and even a blob of 1 inch + qpf near Mt Pleasant and again Toronto.. I like this! Am I in the 1 inch zone? Link to comment Share on other sites More sharing options...
Geos Posted February 6, 2013 Share Posted February 6, 2013 Looks like there was a 4 degree intrahour spike at ORD...lol I find it odd because MDW only recorded 31° today. lol Link to comment Share on other sites More sharing options...
Hoosier Posted February 6, 2013 Share Posted February 6, 2013 I find it odd because MDW only recorded 31° today. lol Maybe Chi Storm was out there doing a dry run. Link to comment Share on other sites More sharing options...
wisconsinwx Posted February 6, 2013 Author Share Posted February 6, 2013 Maybe Chi Storm was out there doing a dry run. I was going to mention Chi Storm but it's probably in bad taste lol. Link to comment Share on other sites More sharing options...
Stebo Posted February 6, 2013 Share Posted February 6, 2013 Maybe Chi Storm was out there doing a dry run. Link to comment Share on other sites More sharing options...
Chicago Storm Posted February 6, 2013 Share Posted February 6, 2013 Maybe Chi Storm was out there doing a dry run. lol Link to comment Share on other sites More sharing options...
Harry Posted February 6, 2013 Share Posted February 6, 2013 I like this! Am I in the 1 inch zone? No.. .75 to 1.00 zone. If you don't like it we can switch? Link to comment Share on other sites More sharing options...
Chicago Storm Posted February 6, 2013 Share Posted February 6, 2013 I was going to mention Chi Storm but it's probably in bad taste lol. Heaters were fixed. Link to comment Share on other sites More sharing options...
wisconsinwx Posted February 6, 2013 Author Share Posted February 6, 2013 Maybe Chi Storm was out there doing a dry run. Well if that was the case the Euro certainly didn't get the memo (hint: dry run). Link to comment Share on other sites More sharing options...
TugHillMatt Posted February 6, 2013 Share Posted February 6, 2013 No.. .75 to 1.00 zone. If you don't like it we can switch? sounds good! Link to comment Share on other sites More sharing options...
michsnowfreak Posted February 6, 2013 Share Posted February 6, 2013 I apologize for asking, but what exactly is the correlation between QPF and accumulations? Every snowfall is different. Average climo for snow ratios in the southern Great Lakes is 12-14:1, meaning 1 inch of water will yield 12-14" of snow. But every snowfall is different. You can easily have ratios as low as 5:1 or as high as 30:1, and on rare occasion lower or higher (lake belts often see 40:1). The old rule of thumb was 1" of water = 10" of snow, but thats not all too common here (though it does happen). Link to comment Share on other sites More sharing options...
michsnowfreak Posted February 6, 2013 Share Posted February 6, 2013 1:57 pm local time per the climate report. Heat burst at ORD? Pretty damn good that they went from snow and 0.5 mi visib, temp 30F, at 1:51pm to 34F at 1:57 pm . And back to 30F at 2:51pm. Link to comment Share on other sites More sharing options...
michsnowfreak Posted February 6, 2013 Share Posted February 6, 2013 sounds good! MKG is 0.92" per Chistorms euro output list Link to comment Share on other sites More sharing options...
TugHillMatt Posted February 6, 2013 Share Posted February 6, 2013 MKG is 0.92" per Chistorms euro output list Sweet. The GFS has us getting 8 to 10 inches as well. Link to comment Share on other sites More sharing options...
wisconsinwx Posted February 6, 2013 Author Share Posted February 6, 2013 Sweet. The GFS has us getting 8 to 10 inches as well. Be thankful you don't really have to worry about temperature profiles. That's a good problem to avoid. Link to comment Share on other sites More sharing options...
Thundersnow12 Posted February 6, 2013 Share Posted February 6, 2013 southern end of the 6" line runs from about DKB-MDW on the Euro.. Link to comment Share on other sites More sharing options...
Geos Posted February 6, 2013 Share Posted February 6, 2013 southern end of the 6" line runs from about DKB-MDW on the Euro.. Wow. Any 9" line on the EURO? Link to comment Share on other sites More sharing options...
snowstormcanuck Posted February 6, 2013 Share Posted February 6, 2013 1.23" for YYZ. So I was hitting the bottle early on Sunday when I booked a 10"+ storm for you this winter, eh SSC? All numbers on a screen. When it's ruler in the snow, you'll get my formal apology. Certainly nice to see the EURO go nuts a bit after the NAM made me sweat it out. Fudge it. It's already 10 to 3. Might as well get a sneak peak at the 6z NAM. Link to comment Share on other sites More sharing options...
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