December 12 2017

The system on the move this morning brought wintry weather as close as Harrisburg PA, but the warm air did hang on for us. Do not be deceived but the mild start to the day as we aim for the mid 40s. Temperatures will tank this afternoon and you will feel it on your way home for sure. Hanukkah begins this evening and it will feel like that holiday season over the next week. The active changes continue as the bottom falls out on the thermometer with wind chills near Zero, then a chance of light snow tomorrow night and again on Friday evening.

Stats For December 12

Normal High:  46ºF

Record High:  71ºF in 2015

Normal Low: 29ºF

Record Low: 10ºF in 1988

Snow Record: 6.7″ in 1982

Sunrise: 7:17 AM

Sunset 4:44 PM

*Bay Water Temperature = 47ºF at Thomas Pt. Light House

Click here to see:  The December 9 Snow Report

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This morning a pre-frontal trough will develop a ling of rain showers along and east of I-95. This will be rain!

This afternoon

We will see the cold air arrive between 3 and 5 PM. Some flurries may mark the cold air, but it is all about the drop in temperatures.


Wednesday Morning

The wind chills will be the main story. Air temperatures will be in the teens, but the wind chill will be near Zero!

Snow Showers

Thursday morning

At this point we have two systems that may bring us light snow. Just enough to maybe coat the ground and lead to some road issues into Thursday morning.


brings a system nearby off of the coast. This is worth watching for another round of light snow.

Temperature Outlook

Temperatures will be frigid for a few days, but recover over the weekend. Next week will be milder, then fall again around Christmas.

Faith in the Flakes Online Store

PJ bottoms still inside out- They have to be to help bring on the snow.

Snowstix- We Need You To Measure Snow Too

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Get the award winning Kid Weather App I made with my oldest son and support our love for science, weather, and technology. Our 3 year anniversary of the release and our contribution to STEM education is this November. It has been downloaded in 60 countries, and works in both temperature scales. With your support we can expand on the fun introduction to science and real weather.

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Also See:

My Winter Outlook 2017-2018 for more snow

Maryland Winters

La Nina Formed: What it could mean to our winter

NOAA Winter Outlook: Not The Best But Not The Worst For Snow

Two Farmers Almanacs Winter 2018 Outlooks

Winter Weather Folkore: Suggestions from Animals and Crops

First Frost and Freeze Dates For Maryland (southern PA and northern VA)

My Preliminary Winter Outlook Notes

Low Snow Winters In Baltimore: To Repeat Or Not Repeat

NOAA Ranks Blizzard 2016 4th Worst Snowstorm On Record

Blizzard 2016 Record Top Snowstorm: Area Totals

Extreme Weather of 2015 balanced out on both ends