Friday Morning Quick Update

12/26/25 Friday  3:00 am

I am still trying to “digest” everything that has happened in the last 48 hours, starting with the Doctor appointment, then the change in the weather models, and the very mixed all-or-nothing precipitation results.

Then I wake up to this, the next weather makers.

PLUS THIS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Junction CO
204 AM MST Fri Dec 26 2025

COZ018-019-262300-
/O.NEW.KGJT.WW.Y.0032.251227T0700Z-251228T1700Z/
Northwest San Juan Mountains-Southwest San Juan Mountains-
Including the cities of Telluride, Lizard Head Pass, Ouray, Red Mtn
Pass, Lake City, Silverton, Molas Pass, Coal Bank Pass, Rico, and
Hesperus
204 AM MST Fri Dec 26 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM
MST SUNDAY ABOVE 9000 FEET...

* WHAT...Snow expected above 9000 feet. Total snow accumulations
  between 6 and 12 inches. Winds gusting as high as 40 mph.

* WHERE...Northwest San Juan Mountains and Southwest San Juan
  Mountains.

* WHEN...From midnight tonight to 10 AM MST Sunday.

* IMPACTS...Travel could be very difficult at times.

I look at these:

European

GFS

Canadian

German

HMMMMM

What do they see that I don’t see? I am very skeptical

I may need to issue a Disappointment Advisory for the weekend.

I plan to manage this one with my head not my heart. I have over to 12 hours to figure this out as precipitation is not expected until this evening at the earliest.

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Update On Susan’s Health 5 Months Later

12/25/25 Christmas Day 7 am

My Storm Update was released earlier today. You can scroll down the site to find it, or recheck your email.

I have not updated everyone on Susan’s condition since July. She had her Neurologist appointment yesterday morning.  For those of you who are new (since the end of July), here is a link to the last update I sent on her condition on July 23rd, which provides background (rather than rehashing it in a new post).

https://durangoweatherguy.com/2025/07/23/susan-and-jeff-personal-update-no-weather/

Yesterday morning (yes, Christmas Eve), we met the new Neurologist. After getting to know us,  I informed her that over the past couple of months, Susan’s aphasia (speech issues) has gotten worse; she experiences more frequent and longer uncontrollable emotional outbreaks, she also falls more than ever before, and she has experienced issues with controlling the right side of her body (she is left-handed).

It started with her right foot. When I would dress her, she could not figure out how to point her foot for me to get it into her pant leg. Then shortly after she started extending her right arm behind her back, bent at the wrist (think olympic speed skater). Now she can’t pick up anything with her right hand, but forgets every time and drops anything she picks up using that hand. Now we have the same problem with the right arm when getting dressed.

The Neurologist ran Susan through a battery of tests. Asked several date-specific questions. She then performed motor skills tests. Only a few minutes into the tests, Susan started crying and shaking; it was too much for her to process.

I asked the Neurologist to interpret what she saw, and she didn’t hesitate. She said, “PBA- Pseudobulbar Affect, she can’t control her emotions because of a disconnect in her brain”.

Interestingly, before running the battery of tests, she reviewed prior brain scans and noticed a gap. I believe she knew what she was looking for before she started the tests.

The Pseudobulbar Affect happens in Parkinson’s disease, ALS, MS, and people with traumatic brain injuries, as well as people with brain tumors and other afflictions related to neurological diseases and disorders.

It is a neurological condition, not a mental health one. It occurs when there is a disconnect between the parts of the brain that feel emotion and those that express it. It is often mistaken and misdiagnosed as depression.

There is one drug approved to treat it; unfortunately, she has to be weaned off one of her current prescriptions before she can start this treatment because they don’t play nicely together.

The Doc also referred her to the Gastroenterology department. She has been struggling with incontinence, which is a difficult situation for her to process and is definitely a new challenge for me.

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Christmas Morning Update

12/25/25 Thursday 4 am

An initial surge of moisture arrived last night.  My weather station pinged my phone around 10 pm to let me know it was raining, which was a generous description given the fact that I only received 0.01 inches of rain overnight.

I can actually see the light rain falling on the LOTDW model (Look Out The Dang Window model).

The European model had the best initialization among all overnight model runs. It was released in the last hour or so. It delayed the overnight precipitation until about now. Flurries are occasional at best so far. That same model run shows precipitation increasing over the next couple of hours (we’ll see).

Webcams show very little activity, with occasional flurries and what appears to be poor visibility at Wolf Creek.  Not a surprise given that it is 30 degrees up there.

I have to assume the same conditions apply to the other passes, but we no longer have webcams there to verify. Ironically, we now have eight webcams on 550 south of Durango before you reach CR302? Not the time to rant, but…

In the past, when we have had pieces of the storm or multiple systems coming in, I forecast for the event, knowing that the “right for the wrong reason” effect usually comes into play. Meaning, event totals are generally more correct than trying to time out each day. I did not do that this time because more people were on the road traveling to celebrate with loved ones, and I wanted to be more concise.

No surprise: the models now show a much better chance of precipitation over the weekend. The event totals did not change much; however, the 24-hour totals flip-flopped.

The next 24 hours are now expected to be lighter than I forecasted. I will get a chance to redeem myself on Friday for the next batch over the weekend. Then we can focus on the post-New Year’s storm the models are currently trying to decipher.

I didn’t sleep much at all last night. I got some news at Susan’s appointment that I will share in a little later.

Before I jump into that, I have received some comments about my recent use of AI to clean up and breathe “life” into my posts. To clarify, I have always used some form of higher intelligence to edit my posts.

Initially, it was my wife, Susan. She really enjoyed correcting my grammatical errors. Susan was one of those people who loved going to school and had perfect grades. She read several books a month and was very organized and a bit of a clean freak. An ideal match for me over the last three and a half decades, opposites really do attract.

Within 18 months of her diagnosis, she was no longer able to read or write. At that point, I switched to Grammarly AI, mainly as a grammar editor and thesaurus. Lately, I have been using Gemini 3 AI to help organize her treatment plans.

As her condition has worsened over the last couple of months, my ability to churn out uplifting posts in an organized manner has been challenged.

One very early morning, a couple of weeks ago, I started a post that was a bunch of garbage and thought, “Why not have Gemini clean this up for me?”.  AI can get lost and is sometimes wrong, so I was concise in the direction I gave it: use my data and information, but present it in a more upbeat tone. Eventually, it suggested formatting changes, saying it would “modernize” the blog.

The changes have concerned some long-time followers, who believe it is no longer me. I assure you, the data is the same from my data providers. The analysis is mine and mine alone. I approve or discard many of the changes AI makes. AI use requires supervision for sure.

I have received more compliments than complaints about the blog’s aesthetics (titles and occasional emojis) and summaries. This is likely due to my readers’ demographics.

Nevertheless, I understand those who are concerned, but I am just trying to stay relevant and upbeat when my sleep deprivation challenges my concentration levels. I assure you, it is still me (emphasis mine).

I am going to jump off right here and create a new post regarding Susan’s new diagnosis and update her friends and followers on her condition. That will be the best way to allow those who want to “opt out” to do so.

I will update everyone tomorrow afternoon on the weekend precipitation outlook. Until then, Merry Christmas, and please cherish those you hold dear, as you never know what the future holds!

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Wednesday Morning Update: An Optimist’s Take

12/24/25 Tuesday 4 am

❄️ Holiday Forecast: A Traveler-Friendly Outlook 🎄

While the massive “monster storms” teased by previous model runs have shifted, we are settling into a much more manageable and travel-friendly pattern for the holiday season. If you have family coming into town or plans to head over the passes, this update is for you!

📍 The “Two-Phase” Game Plan

The models have finally converged on a sequence of events that keeps us active but avoids a total travel standstill:

  • System 1 (Tonight – Friday): Warm moisture arriving from the California atmospheric river. Expect weak southwest flow bringing widespread energy to the region.

  • System 2 (Saturday Night): A colder system arrives from the northwest, helping to drop snow levels and refresh the landscape.

  • The Long View: A third potential system is already appearing on the horizon for just after New Year’s Day!

🚗 Travel & Impact Forecast

From a practical standpoint, this is the ideal solution for holiday commuters. While we won’t see a “Snowpocalypse,” there are still things to keep in mind:

  • Pass Conditions: Expect minor impacts over high mountain passes tonight through Friday.

  • Increased Traffic: With the Christmas rush and weekend travelers, even small amounts of wet snow can cause delays. Give yourself a little extra time!

📏 Expected Totals & Elevations

  • Mountains: Widespread snow amounts of 2 to 5 inches are expected.

  • Lower Elevations: Scattered rain and snow showers totaling 0.10″ to 0.40″ of liquid equivalent.

  • Snow Levels: Starting high (above 9,500 feet) with the first warm system, then dropping significantly as the second colder front moves in this weekend.

DWG Bottom Line: We are trading record-breaking snow totals for safe travels and a white Christmas atmosphere. I’ll be back later today with a full “proper forecast” once the latest data is in!

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Tuesday Update

12/23/25 Tuesday 11 am

I had a challenging night and morning. I apologize for being late with this.

While model inconsistencies persist, the latest data shows a consistent trend: forecasted totals for Wednesday night through Sunday have trended lower. It remains to be seen if this downward shift holds, but

We can expect a brief lull on Friday before precipitation returns late Friday night and into Saturday. To give you a better idea of the range, here are the latest liquid precipitation forecasts for the period starting Wednesday:

European Model: Currently showing the lowest totals.

GFS Model: Projecting slightly higher, more moderate amounts.

German Model: Aligning closely with the GFS projections

I’ll aim to get a quick update out at the usual time tomorrow morning before I take Sus to her neurology appointment. I also plan to follow up tomorrow afternoon with another update to keep everyone in the loop.

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Monday Morning Storm Update

12/22/25 Monday 4:45 am

The Struggle for Consistency !🔄📉

While the models generally agree on the arrival time, their run-to-run consistency has been poor. We are seeing a “tug-of-war” between the different systems, making it difficult to pin down exact totals for Southwest Colorado.

European Model (Liquid Equivalent Forecast through Saturday):

  • Current Run: Showing a more modest solution for the end of the week.

24 Hours Ago: The model was much more aggressive with widespread moisture.

GFS Model:

  • Current Run: Still leaning toward a heavier setup with strong southwest flow.

24 Hours Ago: Indicated a “perfect” setup that has since been slightly dialed back in the latest data.

Beyond Saturday: A Tale of Two Lows

As we look past the initial Christmas event, the forecast becomes a complete “toss-up” between the two major models. While both hint at a very active pattern through the New Year, they are currently at odds over the fundamental structure of the atmosphere.

Comparing the Long-Range Outlooks !🗺️

  • The GFS Solution: This model remains the “optimist,” bringing in more precipitation on Sunday and eyeing a major storm for New Year’s Eve.

  • The European Solution: The Euro keeps us active through Saturday but is much quieter for the next holiday, showing only a weak system on New Year’s Day before a massive storm around January 5th.

The California Standoff

The core of the problem right now is a low-pressure system parked off the California coast. The models simply can’t agree on how to handle it:

  • The GFS wants to “close the low,” keeping it strong and organized as it moves toward us.

  • The European model is “opening it up,” essentially stretching the system out until it loses its punch and falls apart.

The big question remains: what will they show tomorrow morning? Until we see these two start to align, the long-range forecast is anyone’s guess.

The DWG Bottom Line

These shifts are the perfect example of why I wait for convergence before getting too excited. The European model often falls into a “dry loop” where it ignores moisture until the last minute, while the GFS can sometimes be a bit too “optimistic” this far out.

I’ll be watching the afternoon runs closely to see if they can finally get on the same page.

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CORRECTED–Monday Morning: Brief Update ON MJO Post

12/22/25 Monday 3:30 am

Sorry, this should make more sense now!

 Update on MJO Part 2: Still Stuck in the Circle of Death

12/22/25 Monday 5:30 am

I have finished the write-up for Part 2 of the MJO series, but we’ve hit a bit of a snag. Just like the weather models we’ve been tracking for the Christmas storm, the MJO forecast models are currently suffering from the same “dry loop” and initialization errors we’ve discussed over the last week.

The “Circle of Weather Death” ![🌀] ![💀]

While the models forecast rain and snow, they also predict the movement of the MJO through its eight phases. For days now, the forecast has shown the MJO hunkering down inside the “circle of weather death.” * What this means: The models currently don’t anticipate the MJO having any significant influence on global weather patterns for the next two weeks.

  • The Phase Diagram: If you look at the black line on the MJO charts, those numbers represent dates. The forecast begins where the lines turn red and purple. Right now, they are staying inside that center circle, suggesting the MJO is “null” or inactive.

Why I’m Hitting Pause ![⏸️]

MJO discussions can go down the rabbit hole very quickly, and I don’t want to publish a lengthy educational post about how the MJO isn’t doing anything. I want to show you how it DOES influence our weather.

I’m going to keep this update separate so I can focus on the storm potential for the end of the week.

The DWG Bottom Line: I’ll be monitoring the latest model runs to see if the MJO can finally catch a “major atmospheric shove” to break out of the circle. In the meantime, look for my full storm track update to be published by 7:30 am!

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Sunday Update: Forecast Totals Update

12/21/25 Sunday 5:30 am

GFS Goes LARGE ❄️📏

But first, let’s look at the European model. Again, we are only looking at liquid equivalent precipitation.

European

GFS

FYI, that light colored area inside the brown is over 7 inches of liquid.

The DWG Bottom Line

While the latest model runs look promising, the real story will be the storm track. We desperately need the moisture, and our local resorts definitely need snow.

  • The most significant shift in the last 24 hours has been a notable increase in projected totals through next Friday night.
  • GFS Model: Currently showing a “perfect” setup with strong Southwest flow. However, it carries a warm bias that could initially bring rain to lower elevations, with snow levels starting at or above 9,000 feet. A following cold front a few days later looks to deliver a second punch of snow just in time for New Year’s.

  • European & Canadian Models: Both are currently playing catch-up to the GFS. We’ll need another 48 hours for the Canadian model to fully capture the scope of this system, as it only looks 10 days out.

  • Looking Ahead: The moisture is set to start arriving in Northern California today. It will take a couple of days to move down the Coast. It should hit Southern California midweek. That will be when the models get their best read of the situation.  I will be posting at least daily as we get closer to midweek!

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Saturday Update–Midweek Pattern Change!

12/20/25 Saturday 5:30 am

Saturday Good News❄️☔

It looks like the models are finally starting to play nice! We’re seeing some real convergence on a solution that brings precipitation back into the picture starting this Wednesday—or as early as Tuesday if you’re pulling for the European model. This kicks off a stretch of “unsettled weather” (as we forecasters like to call it) that wraps up with a much bigger storm just in time for the weekend travelers to hit the road again. This could extend into New Year’s plans.

Right now, the GFS is the most aggressive with the next weekend system. If it plays out the way the US model is showing, we could be looking at a massive amount of moisture that would go a long way in wiping out our December deficit.

I’m leaning toward the GFS for now since it’s been calling this pattern change for over a week, and it’s encouraging to see the Euro finally jumping on board with the weekend storm scenario. I expect the Canadian and other models to follow suit as we head into the work week!

I’m going to hold off on the specific timing for a bit, but let’s start tracking those projected event totals. This of course in liquid equivalent.

European-nothing to sneeze at

GFS-WOW

I am impressed with the GFS because it often erases lower-elevation precipitation; obviously, this is not the case this time.  A Christmas-to-New Year’s storm has occurred numerous times over the years and often marks the start of our actual (real) winter. Plenty to talk about in the coming days!

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Christmas: From A Week Out

12/18/25 Thursday 3 am

Here at DWG HQ I am still finishing up MJO Part 2, but I’ve been getting a ton of questions about Christmas week, and I know that takes priority over the educational stuff right now. So, I’m hitting ‘pause’ on the MJO series for a moment to talk about the holiday. First off, I want to explain what the heck is going on with the models, because they are acting a bit strange lately and I have not done a great job helping you understand why.

Why the Christmas Forecast is Hitting a Wall

Forecasting for the holidays is proving to be a challenge because our weather models are currently hitting a major wall. The main culprit is the European model (ECMWF). While it is usually the ‘gold standard’ for active, stormy patterns, it has a well-known weakness: it tends to get stuck in a ‘dry loop’ when forecasting for the Western U.S. Once the model convinces itself that the ground is dry, it struggles to see a way out, often ignoring potential storms that could break the pattern.

The “Dry Loop” Problem🔄🌵

Imagine the weather model is like a person who is already thirsty. Because they are thirsty, they don’t sweat. Because they don’t sweat, they get even hotter. This is exactly what happens with the weather model in the West.

  • Dry Ground = Warmer Air: When the model starts with very dry soil, there is no moisture to evaporate. Normally, evaporation helps cool the ground. Without it, the sun’s energy goes straight into heating the air as I have said dozens of times, dry like to stay dry.

  • The “Rain-Eater” Layer: This extra heat creates a thick layer of very dry, warmer air near the surface. If a small storm tries to move in, this dry layer acts like a sponge and “eats” the rain before it can even hit the ground.

  • The Feedback Loop: Because it doesn’t rain, the soil stays dry. The model sees this dry soil and forecasts more heat for the next day, which creates more dry air, and the cycle repeats.

Why the European Model Struggles

The ECMWF is incredibly smart, but it has a few specific “personality traits” that cause this:

  1. RRR (Ridiculously Resilient Ridges): It tends to build “high-pressure ridges” (areas of clear, dry weather) that are very strong and stable. Once it builds one, it’s hard for the model to “knock it down” in the forecast.

  2. Soil Memory: The model relies heavily on its initial data. If it thinks the soil is dry at the start, it struggles to imagine a scenario where it gets wet again, essentially getting “stuck” in its own dry math. Also known as bad data in, bad data out. I have mentioned this many times in the past when I refer to”poor initialization”.

  3. Small Details Get Lost: Sometimes small local storms or mountain effects could break the dry spell, but the model occasionally “smooths” these out in favor of the larger, dry pattern.

What Breaks the Loop? 🔄🔨

So, what does it take to finally smash this feedback loop? The Euro model won’t just “budge” on its own; it needs a major atmospheric shove. Usually, that comes in one of three ways:

  • The “Drought Buster” (Atmospheric Rivers): These are long, narrow plumes of deep tropical moisture. They act like a fire hose, dumping so much water (and heavy snow at high elevations) that the ground has no choice but to get saturated, instantly killing that “thirsty ground” feedback loop.

  • The Ridgeline Runner: Instead of storms staying off the coast, these systems dive down the “inside” of the Rockies. For those of you waiting on a powder day, these can be a bit of a tease—they often bring more wind and bitter cold than actual accumulation, but if they are deep enough, they can drag in just enough moisture to reset the model’s math.

  • The Cut-Off Low: This is when a storm gets separated from the main jet stream and just “parks” itself over the Southwest. These are the wildcards that the Euro often misses until the last minute. They are famous for dumping massive amounts of snow right when the models say it should be dry—the kind of surprise that turns a “dust on crust” day into an epic, unplanned powder morning.

The DWG Bottom Line

Speaking of those Atmospheric Rivers, take a look at the graphic below for Christmas morning. It shows that massive ‘fire hose’ of moisture I mentioned earlier—the deep green and blue plume aimed directly at the West Coast.

Christmas Eve 11 pm

Now, we have to be realistic: sometimes by the time these storms reach us in Southwest Colorado, we’re just catching the ‘leftovers’ and they aren’t quite as impressive as they looked out over the Pacific. But after weeks of this dry loop, seeing a major ‘circuit breaker’ like this on the map is a huge step in the right direction. I’ll be monitoring the track to see if it stays aimed at us or if it’s just a holiday tease. Stay tuned.

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