RELATED: County-by-County Forecasts
The term meso-low comes from the word ‘meso’ meaning small scale, and a low which is of a low pressure system.
So basically, a meso-low is just a for small area of low pressure, usually 30 to 50 miles wide. These meso-lows can form from large complexes of thunderstorms that are usually strong or severe.
MORE: Track showers and storms with the WHIO Interactive Radar
This system Monday night was part of a weakening line of storms that had earlier been severe in Tennessee and Kentucky - and luckily did not bring severe weather into the Miami Valley.