Wednesday Storm: Warm Heavy Rain May End With Snow Burst And Some Icing Inland
Tuesday Afternoon Update Dec 10, 2024 This midweek storm will be powerful. The fast winds at jet stream level will be racing North at 150 mph (18,000 Ft). This will…
December 11 Weather Alerts For Stormy Day Starts With Warm Rain Ends Colder With Snow Burst Inland
Maryland Weather
climate data
rain timeline
Winter Weather
Forecast
Warnings
December 11, 2024
Wednesday Morning Report
We have a very busy weather day as this strong storm develops across our region. Rain is already in place and will be heavy at times. The winds will shift during the day, resulting in falling temps this afternoon and tonight.
The rain will end as snow inland for a few hours. For many, temps will remain above freezing, but a slushy coating is possible this evening. Temps continue to drop below freezing in these inland areas (that got a coating last week) and may turn icy overnight.
I want to do something different this morning. First, the alerts. Then, the simulations for radar and winds, followed by snapshots of key time frames.
Weather Alerts Today
- Dense Fog Advisory for Baltimore Metro Areas
- Wind Advisory for Eastern Shore: Gusts to 50 mph
- Winter Weather Advisory for snow 2 to 4 inches in the high mountains
Wind Forecast: 7 AM to 10 PM
Key time frame snapshots below
Radar Simulation: 7 AM to 10 PM
Key time frame snapshots below
Heavy rain will end with that snow burst inland and accumulating snow in the mountains.
Live Radar
Local Morning Temperatures
Morning Surface Weather
The storm is developing and will get stronger. Very fast winds at the jet stream level, up to 150 mph, will prime the event.
Surface warming this morning in the 60s with heavy rain will then turn to colder winds this afternoon.
Snow is expected to accumulate in the mountains.
The strong winds will be due to the intensifying storm, and cold air will flow in for a few days.
Snapshot Key Times
Reminder that the NAM 3Km model error often has the precipitation arrive and depart an hour or two later than shown… the cold/freezing air may arrive an hour or two later than shown.
Noon
Radar Simulation
Wind Forecast
Temperatures
3 PM
Radar Simulation
Wind Forecast
Temperatures
7 PM
Radar Simulation
Snow inland with temps above freezing.
Wind Forecast
Temperatures
The freezing line will be in the mountains.
Midnight Temperatures
This is where the potential inland icing may become a problem.
Rainfall Total POTENTIAL
Even if we get 1 to 2 inches of rain, this is a small dent in the larger drought, which is at just over an 8-inch deficit.
Snow Potential
CLIMATE DATA: Baltimore
TODAY December 11
Sunrise at 7:16 AM
Sunset at 4:44 PM
Normal Low in Baltimore: 31ºF
Record 9ºF in 1968
Normal High in Baltimore: 49ºF
Record 70ºF 2021
Baltimore Drought Update
- Only 0.04” fell on Monday
- 7.84 inches BELOW AVERAGE rainfall since September 1st
- 8.32 inches BELOW AVERAGE rainfall since January 1st
THURSDAY DECEMBER 12
Windy and Colder; Small Chance For Flurries
Morning Temperatures at 7 AM
The inland areas that had snow falling may have some icy spots.
Afternoon Temperatures at 3 PM
7 Day Forecast
Heavy rain and strong winds may end with brief snow as temps crash tonight.
Chilly air remains for a few days.
Next Warm Up with rain later on Sunday and showers into next week.
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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
