Henry Margusity

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Another Snowstorm this Weekend

December 27, 2012; 10:35 AM ET


Below is the map for the next storm event Saturday. I am not buying the ECMWF model with the stronger storm along the coast only because the NAO is running positive, so it does not make sense to me to have a storm get to the coast and suddenly intensify. I think it's more of flat wave of low pressure that runs northeast with a swath of 1-3 inches snows all the way into the I-95 corridor. The mountains may do better with up to 6 inches of snow. Until we can get the NAO to go negative again, all we are going to see are the weaker low pressure systems moving through the East the next 7-10 days. That does not mean we are not going to see good snows. Sometimes even the weak lows can produce big snows events, but only if we can get the convection going. The key to all big snow events is convection. Without convection, you don't get the big snows.

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Henry Margusity
AccuWeather.com severe weather expert, Henry Margusity, offers the Meteorological Madness blog including detailed analysis of severe weather across the US.