March Out Like a Lion

The upcoming Easter weekend is looking stunning with mostly sunny skies and high temperatures ranging from the middle 60s to near 70 degrees.  But first we have to get through a rather rainy Wednesday and January-like temperatures on Thursday and Friday.

The latest high-resolution NAM model (image above, courtesy Pivotal Weather) shows widespread showers with some embedded thunder beginning around 1pm on Wednesday and continuing through the tail end of the evening rush hour.

An arctic front will then approach the DC Area on Wednesday night while a strong area of low pressure develops and rides northward along the front changing rain over to snow in our western zones. Some snow may even mix…

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No April Fools Joke, Here Comes the Temperature Plunge!

Just as the famous Yoshino cherry trees begin to blossom along the Tidal Basin, the North Atlantic Oscillation (NAO) is forecast to dive providing an ominous and reliable warning that a blocking pattern across the northern Atlantic Ocean is setting up as we head into early April.

The image above (courtesy NOAA) shows the NAO index plunging this week.  When the NAO is negative, high pressure builds over the north Atlantic Ocean causing the jet stream to dip into the eastern United States.  This dip in the jet stream typically initiates east coast storms followed by a blast of cold air.

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A Bust for DC, However There’s Reason for Hope Next Weekend

Pissed that you didn’t get your 5 to 8″ in DC? Take a number, get in line, call your local Congressional representative. Forecast models are not perfect nor are meteorologists who pour over the tea leaves wanting to pull their hair out trying to make a forecast.

The high resolution North American model (NAM) below depicts snow showers redeveloping tomorrow afternoon across the Baltimore and Washington Metro Areas where a coating to 2″ of additional accumulation is possible.

February is traditionally our snowiest month of the winter and the pattern is looking wild next weekend as a ridge is forecast to build across the western United States while a  trough builds across the eastern half of the nation with arctic air intruding from Canada.

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