Wednesday Evening March 20 2019

Spring is officially here now and we have a full super moon tonight. Extra forces are at place to capitalize on this developing coastal storm. High tides are only one of them.  That storm is now taking form off of the North Carolina Coast while another piece of energy is moving east from the central US. This will team up for phasing that will result in heavy snow to our north. If this was timed out just a little sooner, we could have been in on it as computer models suggested last week. I didn’t not bite and that proved to be a good reserve. But there may be more snow in the pipeline…


Rain will move in for us in the morning and Thursday will be a wet day. In fact, downpours are possible mid day through the afternoon as this system continues to organize. Behind the storm, western Maryland will get a coating of snow, and we may get some flurries or snow showers on Friday. Especially inland west and north of the cities.


Storm Animation


Hourly Timeline Simulation

Thursday Morning —> slider

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Thursday Afternoon/Evening —> slider

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Total Rainfall


Will It Snow Again?

Friday Snow Showers?

NAM 3 Km

GFS Model


Why does my app show a snowflake next week?

The upper level pattern will be cold. That is often the case after a storm like this wraps up across New England and Eastern Canada. Some mild air will sneak in this weekend (orange), but the next cold shot will wrap back in early next week across the eastern sea broad (blue). This may be just in time for the next storm.

Jet Stream Heights Friday 8 AM to Tuesday 2 PM


Snow Chance Tuesday Morning?

Note that this late in March we would need heavy snow at night to chill the ground for stickage. It can snow and maybe coat the grass, but pavement stickage gets likely each day into spring.

The European Model has been a little more aggressive event next Tuesday. It is too early suggest this may do anything of significance, but the timing shown here is before sunrise does support the best chance if there would be any accumulation to get some.

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Regardless of snow or not next week, the idea is that spring is limping along. While we will get a warm day or two sneaking in, the pattern remains unfavorable for a big sustained warm up at least until the first or second week of April.


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Related Links:

Winter Outlook

My Winter Outlook 2018-19: Multiple Nor’Easters and more snow

Was Your County Not Included?

Click this map for more on the regional forecast zones

Interactive Snow Report

November 15 Snow Reports- Interactive Map Compared To My Forecast

Winter Snow And Top 5 Wet Years 

Snowfall Seasons at Beginning and End of Top 5 Wet Years In Baltimore


Related Winter Outlooks

Tropical Hints At Winter Snow

Solar Cycle: When Sun Spots Are Low We Get More Snow

El Nino Modoki May Enhance Snow Chances

Sweet Spot: Hitting 70ºF on Halloween is followed by more winter snow

Will A Wet Summer Bring A Snowy Winter?


Winter Weather Folklore

NOAA Winter 2018-2019 Outlook Explained: This Actually Supports Snow

Winter Outlook From Two Different Farmers Almanacs

Maryland Winters: Snowfall Maps and Baltimore Snow History