January 2 Growing Colder With Snow Events Friday Evening And Sunday Night Into Monday
January 2, 2025 Thursday Morning Report The cold air in place is back to near-seasonable levels. There is much more on the way, and we may spend a full week…
December 29 Morning Fog Then Warming With Late Rain And Thunderstorms
Maryland Weather
climate data
rain timeline
Forecast
Warnings
December 29, 2024
Sunday Morning Report
Rapid changes will be underway daily, with a very active pattern as we turn into the New Year. Today we start with a Dense Fog Advisory near and north of Baltimore through the mountains. This is a signal of the warmer air trying to push in, and we should feel it with 60s this afternoon.
The next system will bring another round of rain tonight. While the Severe Storm Risk is just to our south, we may have enough convection for thunder overnight… especially on Delmarva to the beaches after midnight.
The next rain event will be New Year’s Eve, followed by the start of the colder air. The latest model guidance brings in light snow or snow showers Friday…then we will progressively get into the much colder arctic pattern for the first few weeks of January.
CLIMATE DATA: Baltimore
TODAY December 29
Sunrise at 7:26 AM
Sunset at 4:53 PM
Normal Low in Baltimore: 27ºF
Record 2ºF in 1917
Normal High in Baltimore: 45ºF
Record 77ºF 1984
Baltimore Drought Update
Saturday Rain = 0.63”
- 7.61 inches BELOW AVERAGE rainfall since September 1st
- 8.09 inches BELOW AVERAGE rainfall since January 1st
Local Morning Temperatures
DENSE FOG ADVISORY
This may expire at 9 AM but it will clear later farther north.
SEVERE STORM RISK
A Marginal Risk into the Carolinas and Georgia. Locally we have a marginal chance for thunderstorms tonight.
Morning Surface Weather
The fog is ahead of a warm front, which will surge many into the 60s today.
The storm system will produce severe weather in the Southeast US, while heavier rain and strong winds will wrap around the Low Pressure. That is what will swing through tonight.
The first signal of colder air is still waiting to flow behind one more rain event on Tuesday night.
Live Radar Widget
Radar Simulation 8 AM to Midnight
There is a deformation line that will pulse with more showers and steadier rain later today and tonight.
Afternoon Temperatures
Radar Forecast Snapshot 3 PM
Radar Simulation: 3 PM Sun to 7 AM Mon
Heavier rain and thunderstorms pass through tonight. It will be heavier on Delmarva after midnight.
Snapshot at 7 PM
Wind Forecast: Gusts tonight to 30 mph
Snapshot at 11 PM
Snapshot at 3 AM
MONDAY DECEMBER 30
Snapshot at 7 AM
Dry winds across much of the region, with snow showers in the mountains.
Morning Temperatures
Afternoon Temperatures
Looking Ahead
Storm Animation: Tuesday Afternoon to Friday Afternoon
This is the start of the pattern change. It will come with rain on New Year’s Eve, then we see the colder flow in the jet stream push in a weak clipper with a chance for light snow on Friday.
Snapshot New Year’s Eve
Snapshot: New Year’s Day
The leading edge of the colder air will begin to flow in…
Snapshot: Friday
If this is true, light snow or snow showers do not look like there will be much accumulation, but there will be more cold and snow in the first few weeks of January 2025.
Arctic Pattern
Last night, I wrote this report comparing the forecast jet stream to the top 10 similar patterns on record.
The upper-level forecast is much more reliable a few weeks ahead of time than surface weather, so we looked at these analogs for what could result. The majority had much colder air and above-average snowfall.
Here are the links to my posts on Facebook and X.
Facebook Post
X Post
‼️ ANALOGS FOR THE EPIC COLD OUTLOOK IN JANUARY ‼️
📝 Latest Jet Stream Analog (Comparative Years)
🚨 This is the kind of pattern that may wake up winter snow; challenge heating bills, reflect in the energy markets. Here is an inside scoop:
🥶 ❄️ Cold And Snow With Top 10… pic.twitter.com/VRQ4RZ2q4v— Justin Berk (@JustinWeather) December 29, 2024
7 Day Forecast
A distinct shift from warmer and wet to colder air. New Year’s Eve brings us the next rain, then colder air might bring snow showers or light snow on Friday… The deeper cold air will continue to get reinforcements beyond this.
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RESTATING MY MESSAGE ABOUT DYSLEXIA
I am aware there are some spelling and grammar typos and occasional other glitches. I take responsibility for my mistakes and even the computer glitches I may miss. I have made a few public statements over the years, but if you are new here, you may have missed it: I have dyslexia and found out during my second year at Cornell University. It didn’t stop me from getting my meteorology degree and being the first to get the AMS CBM in the Baltimore/Washington region. One of my professors told me that I had made it that far without knowing and to not let it be a crutch going forward. That was Mark Wysocki, and he was absolutely correct! I do miss my mistakes in my own proofreading. The autocorrect spell check on my computer sometimes does an injustice to make it worse. I also can make mistakes in forecasting. No one is perfect at predicting the future. All of the maps and information are accurate. The ‘wordy’ stuff can get sticky. There has been no editor who can check my work while writing and to have it ready to send out in a newsworthy timeline. Barbara Werner is a member of the web team that helps me maintain this site. She has taken it upon herself to edit typos when she is available. That could be AFTER you read this. I accept this and perhaps proves what you read is really from me… It’s part of my charm. #FITF
