smokeybandit Posted January 13 Share Posted January 13 First negative double digit low of the year. Thankfully no wind yet. Looks like my low will be -13 Link to comment Share on other sites More sharing options...
ValpoVike Posted January 13 Share Posted January 13 It looks like there may be a strong inversion in place or something. Looking at Davis Weathernet, my station is at -17, a nearby neighbors station is -18, but stations 5 miles away in Estes and a couple hundred feet higher are in the +teens. That’s a huge difference. Link to comment Share on other sites More sharing options...
Chinook Posted January 13 Share Posted January 13 new snow Link to comment Share on other sites More sharing options...
Newman Posted January 13 Share Posted January 13 We made it down to -15 in Laramie this morning, wind chill of -37. Expecting another 2-5" in town with the next few waves/impulses in the flow tonight and tomorrow night Link to comment Share on other sites More sharing options...
Chinook Posted January 13 Share Posted January 13 This is one of the nastiest storms that I could think of stretching from Portland well into the Snake River Valley, neither of which commonly have heavy winter precipitation. You can see rain, freezing rain, sleet, and snow on this map. Near zero degree temperatures east of the Cascades is uncommon, especially with these wind chills below zero with the 10mph-20mph winds. Link to comment Share on other sites More sharing options...
smokeybandit Posted January 14 Share Posted January 14 Forecast high today was +8 but we only got to -1. Already back down to -10. I think I read somewhere recently that models tend to underestimate severe cold surges like this. Link to comment Share on other sites More sharing options...
smokeybandit Posted January 14 Share Posted January 14 Now approaching 36 consecutive hours below 0. Link to comment Share on other sites More sharing options...
Chinook Posted January 15 Share Posted January 15 Here is what I was talking about with the Portland area, intermountain area snow, up to and including RMNP Link to comment Share on other sites More sharing options...
Chinook Posted January 15 Share Posted January 15 when -57 is a number that's not in Siberia 1 Link to comment Share on other sites More sharing options...
Roger Smith Posted January 15 Share Posted January 15 Just for record, -44 at Glasgow and -43F at Jordan, montana, were lowest min I could find in lower 48 so far (for Sunday a.m.) ... lows into -40s in Alberta and -50s F north of Edmonton (-59 F in n.w. Alberta at Keg River). As cold as that sounds, it was -74F in 1947 at Watson Lake in southeast Yukon. At my location, Friday and Saturday were exceptionally cold, it moderated a little today. I don't maintain records but based on nearby stations and usual differentials, it was about -32 C (-25 F) overnight, and -5 F for daytime maxima (about +7 F today). We have ice crystal fog and saw low-altitude sundogs from the ice crystals. Deep winter and another snowfall of 15-20 cms expected midweek during moderation to 25-30 F. 1 Link to comment Share on other sites More sharing options...
smokeybandit Posted January 16 Share Posted January 16 By the time this cold exits, we'll have been under 0 degrees for about 62 out of 70 hours since Friday night. Link to comment Share on other sites More sharing options...
mayjawintastawm Posted January 16 Author Share Posted January 16 I've been out of town this whole time, was planning to fly back this evening but flight canceled - grr. will have to make do with the archive of my thermometer and snow estimates from COCORAHS. Looks like 1.3" total from the whole event. Anyway, kudos to all who managed this crazy cold. Link to comment Share on other sites More sharing options...
Roger Smith Posted January 17 Share Posted January 17 It has warmed up to 20F around here and a big dump of snow is incoming, expecting 10-15 inches locally. Deep winter gets deeper. 1 Link to comment Share on other sites More sharing options...
Newman Posted January 17 Share Posted January 17 We got down to -30° at the Laramie airport last night, the coldest temperature since January 2017 here when it got to -40. Driving around outside town in the Laramie Valley the car thermometer read -40° 2 Link to comment Share on other sites More sharing options...
Stx_Thunder Posted January 17 Share Posted January 17 On 1/13/2024 at 9:25 AM, ValpoVike said: It looks like there may be a strong inversion in place or something. Looking at Davis Weathernet, my station is at -17, a nearby neighbors station is -18, but stations 5 miles away in Estes and a couple hundred feet higher are in the +teens. That’s a huge difference. I believe that's the result of a shallow polar/arctic airmass. I've seen that a few times during winter on wx data where it can be around 0 F in Denver for example, but at the same time, around + 30 F higher up in the mountains like in Aspen, CO. I've also seen photos taken around Denver not too far up in the mountains above the clouds (where the top of the frontal inversion or cold dome is). Usually around 5 Kft above sea level with those shallow air masses, but it may be higher in that region. Link to comment Share on other sites More sharing options...
Chinook Posted January 17 Share Posted January 17 you guys were off the bottom end of the color-bar in January. Link to comment Share on other sites More sharing options...
Roger Smith Posted January 17 Share Posted January 17 12 inches of powder in last 16 hours and looking at 5-10 additional before it shifts southeast. Enjoy. 1 Link to comment Share on other sites More sharing options...
Tezeta Posted January 19 Share Posted January 19 I’m ready for winter to end…please make it stop Link to comment Share on other sites More sharing options...
smokeybandit Posted January 20 Share Posted January 20 I'm not ready for winter to end. Just these cold spells need to be a bit more productive in the snow department. 1 Link to comment Share on other sites More sharing options...
smokeybandit Posted January 20 Share Posted January 20 I love me some fantasyland GFS 1 Link to comment Share on other sites More sharing options...
mayjawintastawm Posted January 20 Author Share Posted January 20 8 hours ago, smokeybandit said: I love me some fantasyland GFS Could happen... nah. Might be fun for some bored mets to add up long-range snow totals from the GFS (say, hour 240 and bigger) in different places over a winter and see what happens. Tens of feet, I'm sure. On a more serious/scientific note, is there a point to these super long-range forecasts? Are they just a starting point for model improvements to see what happens year over year? I'd guess there are some poor souls up in Boulder or somewhere tasked with improving the GFS at hours 240-384. It would be nice to have something in between the very broad-brush probabilistic outlooks for temp and precip that CPC creates and the super-precise but completely unreliable model outputs we get. (also the CPC outlooks page looks like it hasn't been redesigned since the last millennium). Link to comment Share on other sites More sharing options...
Chinook Posted January 22 Share Posted January 22 By the way I found this the other day. I don't believe I saw any observation of a -36 on the Platte River area in the entire time I lived there. Link to comment Share on other sites More sharing options...
Roger Smith Posted January 24 Share Posted January 24 Weather has turned nasty here, 42F and rain, gradual snow melt is turning our formerly ideal cover to waterlogged slush (still over 18" base). Foggy and mild like the coast basically. Not wanted or needed around here. Link to comment Share on other sites More sharing options...
smokeybandit Posted January 26 Share Posted January 26 A bit of an over performer SE of Denver overnight. 3-4" when 0-2 was the forecast. Link to comment Share on other sites More sharing options...
mayjawintastawm Posted January 26 Author Share Posted January 26 2.0"/0.14" at my house, pretty nice compared to predicted. Looks like we'll have 5.4" total for the month and 22.3" season to date. Come on, February! Link to comment Share on other sites More sharing options...
smokeybandit Posted January 26 Share Posted January 26 Both the Euro and GFS seeing something next weekend. Link to comment Share on other sites More sharing options...
ValpoVike Posted January 27 Share Posted January 27 7 minutes ago, smokeybandit said: Both the Euro and GFS seeing something next weekend. I just saw that too. The Euro in particular has some crazy accumulations. Link to comment Share on other sites More sharing options...
mayjawintastawm Posted January 27 Author Share Posted January 27 23 hours ago, ValpoVike said: I just saw that too. The Euro in particular has some crazy accumulations. I have a feeling in my bones.... No actually, I need to decide whether to ski tomorrow (bluebird skies, probably no powder but decent conditions) or a day next weekend (chance of huge powder, also possible horrendous traffic and no visibility). I know the best answer is "both" but that's not really an option. Good problem to have, I suppose. Link to comment Share on other sites More sharing options...
Chinook Posted January 27 Share Posted January 27 This is a strange weather pattern. There will be some version of an omega-block. Who knows how the snow/rain will happen in the Southwest. Link to comment Share on other sites More sharing options...
smokeybandit Posted January 28 Share Posted January 28 GFS has lost the storm the last couple runs. Euro still has it for now Link to comment Share on other sites More sharing options...
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