@BoulderCAST I feel like these probabilities are always too high. It’s showing 19% of 4” in Boulder when in reality it’s probably <3%
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Hayden Chappman
1.6K posts
👀 You're not tired of the white stuff are you? The Foothills from Nederland northward should prepare for several inches of snow Sunday night through Monday (5-10 inches?). Light accumulations could even occur in the Boulder-Denver area, most likely less than 1 inch but we are watching the situation closely. The winter that never was now won't let up in May! #COWx
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@NaturisticNate @BianchiWeather Yes, right now it favors north of denver
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@BianchiWeather Does this mean more moisture available for the north areas of colorado compared to denver south due to it being a northern low?
Longmont, CO 🇺🇸 English
A potentially colder/further south look to Sunday/Monday's low. Good news for better odds for more moisture.
Sunday/Monday = probably the next good chance for widespread precip for the Denver area/mountains.
#COwx
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🌡️ Boulder hit 88° on Monday, tying the May 11th record high for the city previously reached in 1961, 1962 & 1963 #COWx #Boulderwx
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Mothers Day brunch is completely unaffordable now
What the hell happened to this country?
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@skierman69 @BianchiWeather Looks like it got pushed back a bit to 12am-8am, but the impact on totals should be fairly minimal
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@BianchiWeather Is your forecast from yesterday that the heaviest snow will be from 10 PM to 6 AM still accurate
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9p: Second wave of snow pushing into northern Colorado, Denver area snow will be steadiest/heaviest after midnight.
Temps already down to 32° or below in most areas, still appear on track for 4-8” of snow in most of the metro by 9a tomorrow.
#COwx
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@BianchiWeather Is a lull coming? That’s what my weather app seems to think
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Important: the current Denver area snow isn't even the main event. It's bonus snow...main pull of cold/energy is still in Wyoming.
Early *lean* towards higher end totals as a result, but it's very early.
#COwx
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@BianchiWeather Approaching 2” in Applewood, absolutely dumping
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Denver area snow timing:
Heaviest snow: 10p-8a
Ends: 8a-12p
Earlier north, later south metro
#COwx
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@BianchiWeather Ripping with thunder snow in lakewood!
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4:46p: Steadier snow moving in NW to SE. Snowing steadily in Longmont, Boulder, west metro.
This is the beginning of the heavier snow, though heaviest snow mainly after midnight tonight.
Metro area will stay wet until sunset (7:30ish).
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Snow timing:
Starts: 6-11a tomorrow as a rain/snow mix, little accumulation before 6-8p
Heaviest: 10p Tue-8a Wed
Ends: 10a-3p Wed
#COwx
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@RyanWeather Nope. Not unprecedented, may snow here is fairly common
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@ThrillviaPlath @BianchiWeather Late, likely between 7-10pm it will flip to snow
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@BianchiWeather When will the snow/freezing start in Boulder on Tuesday? Late evening? Early evening?
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Increasingly concerned about the potential for widespread power outages for the foothills, and even some of the lower elevations.
Boulder, Fort Collins highest probabilities in the metro area.
#COwx
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@CoMomof3 @BianchiWeather I really doubt it, especially with AP testing going on
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@BianchiWeather Is it too soon for my teens who already have barely any school left to be talking about delayed start or snow day Wednesday 🤣
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@RobDouglas Certainly looks like FoCo will be dealing with its biggest snow in several years
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We had one of the least snowy winters on record and now Colorado may get the largest snowstorm since two winters ago. Some areas will be getting upwards of two feet. Bizarre as it may be, and many trees will be destroyed, we desperately need the water content.
BoulderCAST Weather 🏔️⛈️@BoulderCAST
Good Sunday evening, everyone! Quick update on the increasing likelihood for a wet and snowy spring storm moving into the Front Range late Monday through Wednesday morning. Models continue to advertise 0.75 to 1.75" of moisture in north-central Colorado alongside cold enough air to turn rain to snow for the entire Boulder-Denver Metro area. Exact snow levels and timing are still being worked out, but the general trend has been towards more precip and colder temperatures, with our confidence increasing that heavy wet snow is indeed on the way. Furthermore, the best overlap between lift and cold looks to occur during the overnight period which would help heavy wet snow accumulate on leafed out trees (6PM Tue -> Noon Wednesday biggest concern time), bringing power outages and some tree damage. If you live in the Foothills above 7000 feet, you should be making plans for at least 8-16" of spring snow, with higher-end totals of 2 feet not out of the question above 8000 feet. For the lower elevations, plan for a soggy Tuesday with rain changing to wet snow sometime during the day. Travel impacts will be minor during the day with the May sun, but slick/slushy roads and snow on the trees will become more likely as we head into Tuesday night. Accumulations are still pretty uncertain at this point, but we're thinking several inches are likely, perhaps 2-6" is where we are now. There are still some scenarios where we end up warmer and see less than that. Similarly, there are a few colder outcomes where 6-12" dumps which would be crippling to our trees. This will need to be watched closely. As for how cold it will get alongside the snow, that also remains somewhat uncertain. Below freezing temperatures are almost guaranteed with this event. Whether that means 30, 28 or 22 degrees is still unclear. Main concern will be Wednesday night if skies can clear we would see temps plummet way into the 20s. Tuesday night, though likely below freezing, will have wet snow falling and temps should stay 29-32 degrees. That's all for now. We'll have a deeper dive into the storm Monday morning and hopefully more clarity on snow totals and temps. Let's hope this one holds together. This amount of moisture could do wonders, rain or snow! ❄️🤞 #COWX #Colorado #Denver #Boulder #Snow #DRought
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@TrackerSacker Its awesome until all your tree branches are snapped
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I’m always gonna love Northeast Tennessee, but ngl getting this kind of snow in Colorado in May must be so awesome
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@MeteoMark one snowy/colder winter doesn’t mean the entire trend is reversed
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It’s May and people are still skiing at several resorts in the Northeast.
Camelback in the Poconos is open in May for the first time ever!
I don’t think the New York Times saw this coming!
#ski #wxtwitter #wxX #snow
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@epawawx “the experts are wrong because i don’t like it”
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I see a lot of people getting excited about the latest CPC outlook for the back half of May. But I would temper expectations. I don't see any support for this whatsoever. Not quite as chilly as the first half relative to average, but indeed still slightly cooler, not warmer.
Coplay, PA 🇺🇸 English
Beautiful weekend -> storms Monday -> sharp cold front Tuesday + rain (maybe mix?) likely -> beautiful end to the week
#COwx
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@BianchiWeather Crazy how this went from a drought busting 1”+ rain event to absolutely nothing within 2 days leading up to the event. I mean i guess we’re should’ve expected it with how far south the low was but still damn
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No ifs ands or buts about it. Total dud of a rain forecast for Denver and most of the metro area. Storm stayed too far south, just couldn’t quite get upslope going. Still, a drought-helper for southern Colorado.
As always, lessons to learn and room to grow.
#COwx
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