December 24 2020

It’s Christmas Eve and the storm is on our doorstep.  The expectations have increased for some of the severe weather parameters that may take away from the holiday joy. If you have decorations outside your home, you might want check how secure they are or take them down.

The Wind Advisory has been expanded west to include Baltimore and all counties in central Maryland touching the west side of the Bay. This is for winds gusts over 50 mph, and on top of the Flash Flood Watch. So soggy ground plus the high winds and even severe thunderstorms risk will last until just after midnight. Then, it gets colder and we watch for Christmas Day snow showers.

This report will first address the elements of Warnings and Alerts. Then a look at this morning weather, rain and temperatures timeline.

Christmas Day Storm Warnings And Alerts

December 24 Christmas Storm Flood Wind Snow Warning



Quick Central Maryland Forecast Snapshot

This is a sample for central Maryland in Carroll County.  Please click the image for the full Maryland Weather page and see what our app shows for your location.

December 24 Christmas forecast central Maryland



Wind Forecast

Forecast wind gusts over 50 mph possible for all areas just east of the front range/Catoctin Ridge to the coast.

Over 60 mph along the immediate Atlantic coastline.

December 24 Christmas Eve Peak Wind Gusts



Rain/Flooding Forecast

Large area over 1 and 2 inches of rain. However, there will be a ‘hole’ or lull zone even in areas that get strong winds.

Snow Pack And Melt: Even if you do not have snow, there are many inland locations that do. This includes blocking storm drains, and ground coverage that will be melting. This will add additional water that needs to drain out to the Bay and Atlantic.  That will increase the high water on water ways.

December 24 Christmas Eve total rainfall


Severe Storm Risk

We may have several rounds of potential storms that could prompt warnings during the afternoon and evening.  These may include damaging winds on top of the widespread gusts and isolated tornadoes.

December 24 Christmas Severe Storm Index


Snow Expectations

This NOAA Forecast now supports what I have been showing over the past few days: At least a little snow across Maryland west of the Bay.

NOAA White Christmas Snow To Saturday


Snow Forecast GFS Model: 

This is for potential with snow showers and squalls.  There has been a pronounced push for snow across southern Maryland on Friday that may coat the ground there.

  • Heavy snow may reach up to 8 inches in Garrett County MD and this high mountains of West Virginia.
  • Additional snowfall shows up across the map into Baltimore suburbs and even Southern Maryland.

This is the ‘hint’ that supports the Max I have been showing the past few nights.

Christmas Storm Total Snow



Storm Set Up

The arctic front has been forecast for a week, but the timing and impact has changed a little.

Why? Because of that area of Low Pressure riding along the front. This is the main reason for delaying the arrival time, and where to focus the rwin vs. snow.

December 24 Christmas Eve morning map


Evening Forecast Map

That Low Pressure formed sooner and farther north. That allows it reach western Maryland this evening. That timing keeps most of us on the warmer side, then bringing in the cold air after it passes.  Western Maryland will get in on the heavy snow tonight. We will get snow showers and squalls in the cold core air Christmas Day.

December 24 Christmas Eve Storm Map



Temperatures: This Morning

December 24 weather temperatures Thursday 7 AM


Temperature Timeline
The sharp contrast of air masses is the reason for this severe weather.

  • Christmas Eve Night: 60s in central Maryland and Delmarva.
  • Christmas Morning: Freezing Line crosses metro Baltimore before sunrise.
    (Possible Flash Freeze)
  • Christmas Afternoon: Most of the state will be below freezing! 20s and Teens inland.

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Radar Simulation —> slider

Heaviest Rain: 5 PM Thursday to 2 AM Friday

Watch the heavier bands of rain (yellow/orange) slowly move east.  Then the transition to icy mix (pink) and snow (blue) arriving in the mountains by midnight.


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Live Radar Widget

Winter Outlook Series

Winter Outlook 2021 Tropical Hints

Winter Outlook Polar Vortex Arctic Oscillation

Winter Outlook Solar Minimum

Early Winter October

Winter Outlook Series Weather Folklore


Winter Outlook 2021 La Nina Advisory

Winter Outlooks Farmers Almanacs



14 Local Maryland Pages (and York PA)

We have made a page for Maryland Weather which gives you the current conditions for 14 present area locations.

Local Hourly Forecasts and Local Radar
Central Maryland



Bel Air

Carroll County/Westminster




Ocean City

Dover DE

Southern Maryland

Patuxent River 

Washington DC





National Weather Service Adds Maryland Cecil And Garrett Counties


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December 5 Snowfall History Start Of Faith in the Flakes

Also see:





Maryland Weather Page

Maryland Weather 

I wanted to keep it simple. Just the basics for a quick view at any time.

Maryland Weather Just In Weather




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