Tuesday January 16 2018

A band of light snow moved through northern Maryland and southern PA this morning. The light coating between Westminster and York seemed to pale in comparison to the light snow and freezing mist and fog in Harford County MD.  Not all has been showing up on radar, making it difficult to track. Numerous accidents have been reported… and a 2 Hour school delay was issued there. This is NOT the main event. The Winter Weather Advisory is still in effect tonight and tomorrow morning for light snow that will impact driving. The arrival now appears to be later tonight and lasting into Wednesday morning. More on the timing and snowfall potential below.

Temperatures This Morning

Stats For January 16

Normal High:  41ºF

Record High:  71ºF in 1953

Normal Low: 24ºF

*Former Record Low:+1ºF in 1893

Snow Record: 7.0″ in 1945

Seasonal Snow To Date (at BWI): 5.2″

Sunrise: 7:24 AM

Sunset 5:09 PM

*Daylight = 1:30 longer than yesterday 

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

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Winter Weather Advisory


This Afternoon

Temperatures will briefly rise above freeing in metro areas, but will cool down tonight

Snow Timeline

This Evening:

The leading edge of snow will be back into our far northwestern areas to this evening…

—> slider: Tonight

The arrival of snow in metro areas will be overnight.

[metaslider id=56933]

Wednesday Morning

The Canadian Model I showed yesterday is back on the ‘up the coast’ solution. This does linger the snow a little longer on Monday.. but we should see it pulling away between 7 and 10 AM


Snow Forecast

My Snowcast:

Compare to the computer models and NWS Zone Maps below

A: Dusting up to 1″

B: Around 1 inch

C: 1 to 2 inches

D: 2 to 4 inches


Computer Model Forecast





National Weather Service Forecasts





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May The Flakes Be With You- Limited Edition Shirt


Temperature Outlook:

Another Thaw on the way

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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