February 21 2018

It feels like spring for sure and these morning temperatures in the 50s and 60s prove it. It might be hard to image but just three days after we had snow, the temperatures jumped into the upper 70s on Tuesday. Baltimore’s BWI tied the record for February 20 with 76ºF and it appears we will break the record today. The interesting thing about these dates is that there was a mini heat wave in 1930, but also a mini arctic surge just a few years ago. Both February 20 and 21 have the record low temps in Baltimore in 2015 (+1ºF, +º2F).

Today will start with some fog and then some sun will help the jump into the upper 70s. This day will be different as it will feature some showers and possibly a thunderstorm in the evening. There is weather folklore that states, “if in winter there is thunder, snow will fall in a week or under”. It may not be a week, but the pattern is supporting a very cold start to March with an active storm pattern. It looks like snow is not done with us yet.

 

Stats For February 20

Note: A few people have asked me about the term normal vs using averageScientifically ‘average’ is a better term for the stats below, but The National Weather Service has used the ‘normal’ term in their climate data. I have switched it below to satisfy the fellow science geeks.

Average High:  46ºF

Record High: 74ºF in 1930

Average  Low: 27ºF

*Former Record Low: +2ºF in 2015

Snow Record: 10.3″ in 1929

Seasonal Snow To Date (at BWI): 8.7″

Sunrise: 6:50 AM

Sunset 5:50 PM

*Daylight = 2:27 longer than yesterday 

*Bay Water Temperature = 39ºF at Thomas Pt. Light House

 

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Today

Evening Thunderstorms

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Rainy Pattern Thursday Through Sunday

Rainfall Potential

 

Temperature Outlook

Jet Stream: Early March

 

 

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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