Major Pattern Change for Mid-Atlantic Next Weekend

The Madden Julian Oscillation (MJO) is finally moving out of phase 7 and back into phase 8 this weekend. The image above shows warmer than average temperature anomalies over the Eastern United States in phase 7 with cooler than average temperatures in phase 8. You need cold air for wintry weather and with a very active storm pattern continuing, things are looking very interesting this weekend and beyond.

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Latest Climate Models Indicate Potential Cool Down across Eastern United States late October into early November

After what feels like a relentless Summer with record heat and humidity across the Eastern Seaboard, there is hope that as we head into November the pattern may flip.

The latest CFS (Climate Forecast System) model for temperature anomalies (departure from average) forecast the warmth to continue through the end of October for the eastern half of the nation:

Next 10 days:

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Timing Saturday’s Strong Thunderstorms

We are in a moderate drought and unfortunately the cold front that will roar through the Metropolitan Area on Saturday afternoon will provide very little in the way of drought relief. 

metro_dc_t-storm_timing_threat_dcstorms-com

A squall line will likely cross the Blue Ridge around noon and then move across the immediate Washington Area & 95 corridor between 2 PM and 4 PM.  How much rain could fall in your back yard?

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