Saturday December 23

On this foggy eve of Christmas Eve, we have a soggy Saturday ahead. The travel and last minute shopping don’t invite this wet weather, but it will be warm. Temps will surge quite a bit and may exceed expectations. Below are the maps that may have your kids in shorts, but the rain may get out of here for the Ravens game. Next up will be timing the cold air and tracking the edge of snow, that some of us are still still could see around Midnight on Christmas. Next week will be much colder and I have a look at the large winter storm ‘possible’ next weekend.

Stats For December 23

Normal High: 43ºF

Record High: 69ºF in 1990

Normal Low: 26ºF

Record Low: 0ºF in 1960

Snow Record: 8.0″ in 1963

Sunrise: 7:24 AM

Sunset 4:48 PM

*Daylight = 7 seconds longer than yesterday

*Bay Water Temperature = 44ºF at Thomas Pt. Light House

Snow To Date (at BWI): 3.8″

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Rainfall Today:

The focus of the heaviest rain will be just north of Baltimore. This is on the edge of the steady rain and the heavy band that will swing through late afternoon. See the hourly slider simulation below.

—> slider: Radar Simulation Hourly Timeline

[metaslider id=56087]

Warm Day: High Temperatures

The Christmas Story

Rain showers will return late Sunday afternoon and evening. This may make the trip to loved ones homes or church wet. I would plan on the rain showers after 7 PM. Then we watch the colder air. It will be close to midnight with the changeover.. But I am not sold that the models are handling this well.

Here is the NAM 3 KM model that had done the next job with the snow we had lat week. I expect more wobbling of the snow line, so I just want to show this. It does not promise that snow will lay and stay on the ground, but a good chance of Christmas snow on the north side of Baltimore, west into the mountains and north into PA.

Christmas Temperatures

Midnight- The leading edge of the cold air…

Christmas Morning Freeze

Before looking at the next storm with low confidence, I have high confidence in the temperature drop. Arctic air will finish the year and last into the start of January.

Temperature Outlook

Notice the days that are projected to only reach the 20s

Storm Next Week?

I need to warn you that I do NOT think this is the final solution of this potential storm. Computer modeling has NOT been good a week away recently. This particular set up changes with each run and the famed European Model is less aggressive as of last night. That is an improvement from the prior run that didn’t show much.

But, here is the latest GFS Model to satisfy your itch for long range snow potential. FITF

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