Wednesday January 17 2018

The timing of the snow is on schedule but the intensity is lighter. That was the suggestion I wrote on social media last night, along with the mention in multiple reports that the temperatures were the big story. All it takes is a dusting on roads that start wet, but ice up. That is the situation now as temperatures will be dropping into the 20s. The colder air is filtering in the northern counties now… and the freezing mark is moving through metro Baltimore and I-95 at this hour (5 AM).

Snow: There have been some breaks on the radar that will fill back in for a few hours. The simulation slider is below showing that. Overall, most places will end up with around 1 inch or less of snow. That fits the metro area. There may be some higher amounts in northern Maryland and southern Pennsylvania where some places will get up to 2 inches of snow. It truly is about the icing of roads underneath that apply to all of our region.

For what it’s worth, I had a school visit in Baltimore County planned today that is postponed for the school delay. So I feel first hand the impact of a little event. There are plenty of schools delaying opening this morning. Here is a look at the radar simulation and the timing of the temperature drop in two sliders below.  After this event, we warm back to the 50s by the weekend and have a quiet set up for then next week or two ahead.

Stats For January 17

Normal High:  41ºF

Record High:  68ºF in 1913

Normal Low: 24ºF

*Former Record Low: -7ºF in 1982

Snow Record: 2.5″ in 1985

Seasonal Snow To Date (at BWI): 5.2″

Sunrise: 7:24 AM

Sunset 5:10 PM

*Daylight = 1:31 longer than yesterday 

*Bay Water Temperature = 32ºF at Thomas Pt. Light House. 

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Radar Simulation

Light snow will continue along this slow moving front. Not much accumulation expected after sunrise, but enough to keep icing up roads that are untreated.

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Hourly Temperatures

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Afternoon Temps Still Below Freezing


Winter Weather Advisory

Temperature Outlook



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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