AccuWeather is predicting a major storm for Saturday, including the possibility of a bomb cyclone. According to AccuWeather, “a storm becomes a bomb cyclone or undergoes bombogenesis when the atmospheric pressure at the center of the storm drops by 0.71 of an inch of mercury or more within 24 hours.” In this storm, the pressure could drop by a full inch.
Meteorologists are saying the storm will start in the Gulf Coast tonight but could strengthen rapidly and impact all along the I-95 corridor Saturday. Southeastern Pennsylvania is on the line between rain and heavy snow, but we could get heavy rain with a possibility of snow later Saturday afternoon or evening. Possible snow accumulation is 1-3 inches.
Saturday morning temperatures are expected to start in the 40s or 50s but drop 10 to 20 degrees, and they could be near freezing by late afternoon but feel closer to zero or 10 degrees. Strong wind — with gusts of 40 to 50 mph — is anticipated.
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