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Special Weather Statement National Weather Service Baltimore MD/Washington DC 141 PM EST Tue Dec 30 2025 DCZ001-MDZ006-008-011-013-014-016>018-504-506>508-VAZ053>055-527- 310300- District of Columbia-Northern Baltimore-Cecil-Southern Baltimore- Prince Georges-Anne Arundel-Charles-St. Marys-Calvert- Central and Southeast Montgomery-Central and Southeast Howard- Northwest Harford-Southeast Harford-Fairfax- Arlington/Falls Church/Alexandria-Stafford- Central and Southeast Prince William/Manassas/Manassas Park- Including the cities of Washington, Reisterstown, Cockeysville, Elkton, Baltimore, Bowie, Suitland-Silver Hill, Clinton, College Park, Greenbelt, Laurel, Camp Springs, Glen Burnie, Annapolis, Severn, South Gate, Severna Park, Arnold, Odenton, St. Charles, Waldorf, Lexington Park, California, Chesapeake Beach, Huntingtown, Dunkirk, North Beach, Lusby, Prince Frederick, Bethesda, Rockville, Gaithersburg, Silver Spring, Columbia, Ellicott City, Jarrettsville, Aberdeen, Reston, Herndon, Annandale, Centreville, Chantilly, McLean, Franconia, Arlington, Alexandria, Falls Church, Falmouth, Dale City, Manassas, Woodbridge, Lake Ridge, and Montclair 141 PM EST Tue Dec 30 2025 ...POTENTIAL WINTER COMMUTING HAZARD FOR THE BALTIMORE / WASHINGTON METRO AREAS AS WELL AS NORTHEAST AND SOUTHERN MARYLAND WEDNESDAY MORNING... There is a potential for hazardous commuting conditions for the Wednesday morning commute. A period of light snow is POSSIBLE (a 30 percent chance) Wednesday morning across the Baltimore / Washington metro areas as well as northeast and southern Maryland, with a light coating of snow accumulation possible on area roads. If this threat does materialize during the Wednesday morning rush-hour, many roads could quickly turn icy. This could lead to dangerous traveling conditions, multiple accidents, and extensive delays. If commuting Wednesday morning, be aware of the POSSIBILITY of significant travel disruptions. Plan ahead by allowing for extra travel time, and consider using public transportation and telework options. Stay tuned for updates on this potential winter weather episode. $$ DHOF

Today’s runs suggests that the pope is a seer. Maybe we can put him up to be canonized as a demon saint

Rgem was advisory here. Let's ramp it up at 18z

Reminder that it was supposed to torch this week.

as a rank amateur who understands little about weather forecasting beyond D2, it's the differentiating opinions, and the "arguments" around them, that I find most informative.

While I’m certainly on board with January being another colder than normal month in the east, due to the front-loaded Niña we are in, which would fit the progression, that’s where I think it stops. At least that’s my thought right now. I’m not sure what BAMWX thinks about February and March? I know there’s some hype on twitter today about the new CFS being very cold in the east for the next 3 months; Jan, Feb and Mar….I just don’t see that happening. We haven’t seen a La Niña accomplish that (all 5 months in a row; Nov, Dec, Jan, Feb, Mar) being below normal cold in over 30 years (1995-96). That was a very atypical Niña, coming off an El Niño with a strong +PDO all winter long. As I said before, the only way I could possibly see that happening would be with a big, anomalous stratospheric shakeup like 2018 had. I guess we’ll see over the next few weeks

I mean, we haven't had a southern moisture storm in years now. It's sort of dropped off our radar since it's the middle of winter but the drought marches onward. I'm not sure why I'd expect us to magically start getting noreasters all of a sudden without a seismic pattern shift. Yeah there's always the fluke chance (per the GFS), but until the base state changes I think they're just fantasy storms.

Found this in the TN forum, looks like the SER is getting suppressed to the Deep South.

Doesn't the cool pool help enforce a negative PNA?

Todays the 25th anniversary of the December 30th, 2000 Snowstorm. I got a full radar animation up here and sfc loop. https://www.jdjweatherconsulting.com/dec-30-31-2000

My non expert opinion on the models is that it is related to climate change. They are struggling to be accurate because things are constantly changing and creating more variables than in the past.

A week or so ago we were talking about being back in the game by New Years or shortly after. Then it was the 8/9th. Now it's the back half of January lol. Pretty soon it's going to be hoping that a couple weeks in February delivers. Typical winter in the Mid Atlantic

I'm not in response there.. I was asking you, a question. His opinions can be where ever he wants. the point is, if you do no like him or his opinions, you have the power to do something about it - don't read them. In fact, if it bothers you that much, ignore him altogether. That's it.

Al Gore invented lying too? And I thought his internet invention was impressive ....

Well today has been crap. Maybe we can get Eric Webb to start honking about the SER so things can flip back to a big dog look.

which post? There are plenty of posts here that lack much meteorological reasoning behind them. From what I remember, he had meteorological reasoning but it triggered some of the ACATT folks because it went against narrative

Paging @WEATHER53

You know if it was the late 1800s, and I had a ranch on the Plains...I would be thrilled with the warm weather. Why? Because without having to look at a weather model, I know that type of weather wasn't going to last!

Well, you didn't really need to respond to my post just to say this. My point is he's he's entitled to his opinion, but his opinions should be in the banter thread. That's all. Carry on

Yep, exactly what you and I had discussed. Man, if this does transpire can you imagine the shock to the front range and Southern Plains ?! They've been dominated by that heat Ridge for a Couple Months for the most part. Denver is at Record level for least Snow at this Juncture.

The BIG question in my mind was this, "What happens after the Dec29-30th cold front?" I think a probable, and even likely answer, is now this. Dec 29-Jan10 is a transition timeframe as the eastern ridge retrogrades into the West. We get a TBD window where the EPO ridge just brings it. It would be hard to find a deterministic or ensemble run which doesn't end up here. The 12z EPS has that EPO ridge in place around 216, and then begins pushing a trough towards the east at that time. By 324 we get this -> The original window was Jan 8-10, and they may yet still verify. I would say the window is now Jan 12th, give or take a few days. Sometimes a big pattern like this is preceded by a big storm. Modeling across various products at 12z has a progression which makes sense given the analogs for this winter, recent Nina climatology, the QBO state, and...it is January - climatology fits. Good trends. Now, it is time to reel this look in. Get the pattern right, and then we can track. edit: Notice how well that tele connects? Cold in Europe. Cold in the East. HL blocking. Trough near Hawaii. Four quadrants of cold air. IF that builds, that could be tough to break down.

Thats pretty typical for modeling sites like pivotal weather.

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I am heading there tomorrow morning for new years. [emoji1] .

I really don’t like events like this. At least the most recent event prompted homeowners to clear and salt while these dinkleshit 1-2 inchers don’t get removed, everything stays icy until it rains or warms up otherwise, and makes for unpleasant walking conditions. Give me big storms followed by warmups and rain and I’m a lot happier these days.