huronicane Posted January 3, 2017 Share Posted January 3, 2017 Winter Storm Watch issued for the immediate Front Range. Urban Corridor is on the razor's edge for snowfall. Link to comment Share on other sites More sharing options...
huronicane Posted January 3, 2017 Share Posted January 3, 2017 And based on this snow map, the Urban Corridor should be included in the WSW. Link to comment Share on other sites More sharing options...
huronicane Posted January 4, 2017 Share Posted January 4, 2017 Forecast for Louisville (Winter Storm Watch) And Northglenn (No Headlines) I'd be curious to know the thought process, because those are both winter storm worthy forecasts. Regardless, headlines will be required across the Urban Corridor, and would not be surprised if everywhere I-25 and west gets a winter storm warning. Link to comment Share on other sites More sharing options...
sfenn1117 Posted January 4, 2017 Share Posted January 4, 2017 Some nice under the radar mood snow this morning. Should be fun later this evening. Link to comment Share on other sites More sharing options...
snownut Posted January 4, 2017 Share Posted January 4, 2017 Epic season here in Central Oregon. Sure we will break 50" for the season by noon today. double digit below zero tonight ... warm up next week with at least a couple more storms with probably some mix ?? More than 9 foot snow pack in the mountains around here. Winter of 2016-17 49” Number of full snow cover days: 29 11-30-16 dusting 12-01-16 dusting 12-03-16 3/4 " on grass. ( First day skiing with Terra ) 12-06-16 long light snow event .. 3” with temps in 20’s 12-08-16 nice daytime storm and cold in teens 6" 12-10-16 3/4" 12-12-16 1/2" 12-14-16 Cold dry .. 15-1/2" .. high 15 degrees during the day. 12-16-16 1" 12-23-16 2-1/2" (warmer than forecast) went up to 38 and partly cloudy during mid day then second wave and slowly falling temps. Probably 5" if 2 degrees colder 12-27-16. 1/2 " big storm NE Oregon 12-30-17. 1/2" first cold front from the north 1-1-17. 1-1/2" 1-2-17 3-1/2" long light dusty like snow 1-3-17. 3" kept snowing overnight 1-4-17. 9" frigid single digit temps Link to comment Share on other sites More sharing options...
Chinook Posted January 4, 2017 Author Share Posted January 4, 2017 Fort Collins is getting a little accumulation now. It's the start of a big storm! We have pretty small snowflakes. NWS Boulder now has the winter storm warning headline for the metro areas, out east of DIA, and east of Greeley. I am wondering now if the rest of the plains would require a winter weather advisory. Link to comment Share on other sites More sharing options...
Chinook Posted January 4, 2017 Author Share Posted January 4, 2017 We have gotten 2" here. I have heard that the major airlines are cancelling flights at DIA in advance. Obviously there can't be too much accumulation at DIA right now. Link to comment Share on other sites More sharing options...
raindancewx Posted January 4, 2017 Share Posted January 4, 2017 I'm really looking forward to seeing our snow pack numbers after this storm. The ten mountain ranges in New Mexico are at about 80% of normal snow to date overall. Some of the mountains will get 1-3 feet of snow out of this system. My analogs had Jan and/or Feb as pretty snowy out here - looks OK so far. I'm a bit afraid that the Spring will blowtorch here, so the more snow we can get by March the better. Don't think we get major reinforcements in Apr-May this year like we did in 2015 & 2016. Nice to see our mountain brethren in the south likely to get some big snows too for once. Albuquerque in a winter weather advisory for 1-3"...first one this season. Had around 9 inches of snow already by this point by last year...0.2" so far. Link to comment Share on other sites More sharing options...
mayjawintastawm Posted January 5, 2017 Share Posted January 5, 2017 5 hours ago, Chinook said: We have gotten 2" here. I have heard that the major airlines are cancelling flights at DIA in advance. Obviously there can't be too much accumulation at DIA right now. Nary a flake since 6 PM, about 1.3" here. Radar looks pathetic. Somehow it seems like Frontier takes pleasure in canceling flights. Glad I don't fly them anymore. Link to comment Share on other sites More sharing options...
Chinook Posted January 5, 2017 Author Share Posted January 5, 2017 Radar is not pathetic here. The snow has been falling slowly though. Maybe I will take a measurement at 11:00PM. I can't boast about lots of snow... yet. Heavy snow is kind of rare at this type of temperature, but higher snow ratios are common at this temperature. Link to comment Share on other sites More sharing options...
Chinook Posted January 5, 2017 Author Share Posted January 5, 2017 Now there is a much quicker snow accumulation - still a rate less than 1" per hour. I measured 4". Maybe 5" will happen within 2 hrs. Link to comment Share on other sites More sharing options...
mayjawintastawm Posted January 5, 2017 Share Posted January 5, 2017 Finished with 4.0" at 6:30 AM though still snowing lightly, perhaps will eke out another 0.5" during the day. Guessing about 0.2 to 0.25" WE based on shovel weight. When combined with the previous storm which overperformed by a couple inches, the average of the two is right on target for what was forecast. Link to comment Share on other sites More sharing options...
Chinook Posted January 5, 2017 Author Share Posted January 5, 2017 I got about 6". Initially, I thought it was more because snow stuck to the trees so well. That makes 7.8" since Monday. Link to comment Share on other sites More sharing options...
Chinook Posted January 6, 2017 Author Share Posted January 6, 2017 Currently -4F here. NWS point&click forecast says -18 for tomorrow morning. Here are the area temperature observations plotted with my GRLevel3. If it is -17 or less here in Fort Collins, it will be the lowest temperature since 1996. Laramie has reached -31 but is shows up as missing. Even though it is only 11:00PM, Laramie has already hit a lower temperature than any day since December 2014. Edit: Laramie (KLAR) is going to have one of the lowest temperatures of all time, but not break the record. (Records go to 1948). another local plot on Wunderground. This is some of the coldest local temperatures that I have seen here. Link to comment Share on other sites More sharing options...
Chinook Posted January 6, 2017 Author Share Posted January 6, 2017 Laramie: -40F is the 5th lowest temp of all time KLAR 061153Z AUTO 17007KT 10SM CLR M34/ A2984 RMK AO2 SLP319 T1344 11344 21400 51004. This means the 6-hr or 12-hr low was -40.0 C = -40.0F Greeley was low temp -35.6 C, that's -32FFort Collins-Loveland: -28 C is -18.4 F Fort Collins- CSU got to -15.7F Cheyenne: -27.2 C is -17F Longmont: low temp -28.7C is -19.66 F (shouldn't this be a whole number of degrees F?) Denver: low temp -19.4 C is -3F Link to comment Share on other sites More sharing options...
raindancewx Posted January 6, 2017 Share Posted January 6, 2017 Even down here it got down to 14F on a north wind after being 45F at midnight - our version of a blue norther (snow helped too). Was 0F to -10F just east of Albuquerque. I'm pleased to see the cold in Montana & Wyoming, my analogs had the cold centered over Montana, not the Midwest or Lakes. Link to comment Share on other sites More sharing options...
mayjawintastawm Posted January 6, 2017 Share Posted January 6, 2017 Cloud cover early on resulted in higher lows than could have been if the whole night had been clear. Got down to -7 at DEN and -6 at APA, lowest at my house was -4. No wind though. Today seemed really pleasant with adequate footwear. Link to comment Share on other sites More sharing options...
Chinook Posted January 8, 2017 Author Share Posted January 8, 2017 Here is the NOAA-NOHRSC plot of the East Coast storm. I enjoyed seeing a lot of the snow pictures on this weather forum yesterday. I particularly enjoyed snow pics from North Carolina posters who really don't get this very often. Link to comment Share on other sites More sharing options...
Chinook Posted January 10, 2017 Author Share Posted January 10, 2017 Fort Collins warmed up to 50.9 degrees yesterday and 60.4 degrees today, which was mucho mucho warmer than Friday. I think about 7" out of my 8" snowpack melted in the last 2 days. We had winds to maybe 50mph today. It changed quickly from 5-10mph wind to 40mph gusts. Link to comment Share on other sites More sharing options...
Chinook Posted January 10, 2017 Author Share Posted January 10, 2017 radar loop of last week's snowstorm http://www.greatlakes.salsite.com/Jan_4_6_2017_radar_loop.html Link to comment Share on other sites More sharing options...
Chinook Posted January 10, 2017 Author Share Posted January 10, 2017 The 12z Euro went big with the upper level low next week dumping a lot of snow on the Front Range cities. Also the Canadian says 6-11" for the Front Range cities with about 10:1 snow ratio. Link to comment Share on other sites More sharing options...
Chinook Posted January 11, 2017 Author Share Posted January 11, 2017 The 00z GFS now trending the snow much closer to downtown Denver. The closed 500mb low tracks north-northeast from Albuquerque to SE Colorado. Maybe in a few more runs, there will be a winter storm warning for the Denver metro area. The 00z Euro has more of an east track to the 500mb low now. Still lots of snow for SE Colorado and Kansas on the 00z Euro. Link to comment Share on other sites More sharing options...
huronicane Posted January 11, 2017 Share Posted January 11, 2017 Starting to look like a snow event for early next week for the eastern half of Colorado - Euro, CMC, GFS/Parallel all trending that way Link to comment Share on other sites More sharing options...
mayjawintastawm Posted January 11, 2017 Share Posted January 11, 2017 NWS is saying rain on Sunday with temps around 40 for the Denver Metro. Plenty of time for that to change, but it would sure be weird. Link to comment Share on other sites More sharing options...
Chinook Posted January 12, 2017 Author Share Posted January 12, 2017 I had a snow squall here at 4:40-4:45 - we got 1/4" of snow, pretty unexpected. Link to comment Share on other sites More sharing options...
huronicane Posted January 12, 2017 Share Posted January 12, 2017 GFS/Parallel a little further SE, missing Urban Corridor/Northern Colorado, but Euro (and to a lesser extent Canadian) still showing an early week snow event for the Denver area. Link to comment Share on other sites More sharing options...
Chinook Posted January 12, 2017 Author Share Posted January 12, 2017 Yes, it will be interesting to see if the Euro is right, with higher snow amounts near Denver. The 00z Euro had 11" for the eastern edge of Denver city. 12z Euro had 9" for that area. Canadian said 3.8" for Denver. The 06z GFS had a gradient of 1" in Denver to 5" on the east edge of Adams/Arapahoe. 12z GFS was farther east, 0 to 6" for Washington County (east of Adams/Arapahoe). I wonder if Colorado Springs could get some heavier snow. Link to comment Share on other sites More sharing options...
raindancewx Posted January 12, 2017 Share Posted January 12, 2017 Mountains, and maybe the Albuquerque looking at a couple good snow events the next ten days looks like. Link to comment Share on other sites More sharing options...
Chinook Posted January 13, 2017 Author Share Posted January 13, 2017 The 00z GFS and Canadian now have this type of snow total (up to Monday afternoon). The 00z Euro still has much more snow west of Fort Morgan, (Morgan County) to Weld County to Denver and Boulder. I am not really sure if this Euro is really going to have the advantage in prediction here. The 500mb track is not really a lot different, but still, some dynamic feature must be producing this difference in snowfall. Link to comment Share on other sites More sharing options...
huronicane Posted January 13, 2017 Share Posted January 13, 2017 BOU seems to like the Euro track Link to comment Share on other sites More sharing options...
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