A cold front moving in from the plains is expected to arrive in our area tomorrow evening. The North American Mesoscale Forecast System (NAM computer model), forecasts a line of thunderstorms to develop over central Pennsylvania and New York before making its way over the NYC Tri-State by 8 pm ET.
Weather360 is forecasting frequent lightning, hail, high winds, and potentially a few tornadoes in these storms tomorrow. The Storm Prediction Center (SPC) forecasts an ‘Elevated Risk’ for severe weather tomorrow, meaning that strong storms are likely with the potential for isolated tornadoes.
Already today the main parameters for severe storm development (CAPE, shear, helicity, and ML LCL) are already favorable for strong thunderstorms. Please have access to a cellphone, television, or radio tomorrow in the event that the National Weather Service issues a severe thunderstorm, flash flood, or tornado warning. Tornadoes can and do occur in this area of the country, please take shelter immediately should a warning be issued for your area.