The amount of lightning a storm is producing, or the rate at which rain is falling, does not make a thunderstorm "severe" by the meteorological definition.
The larger area of storms is moving in from Central Oklahoma and tracking northeast at around 35mph. A low tornado threat is included in the mix, according to the National Weather Service.
As spring storms ramp up for the season, severe weather is in the forecast for almost every day this week somewhere in the country.
It is likely that severe thunderstorms will develop by Wednesday afternoon, spreading east across the Four State region.
More stormy weather is ahead for South Arkansas.
Part of North Texas was placed under a tornado watch late Sunday, but the severe weather stayed east of Wichita Falls. They said that could carry the threat for severe storms, but it is too far out to specify hazards.
The National Weather Service in Paducah has issued a hazardous weather outlook for Monday due to an enhanced risk of severe thunderstorms.
A severe storm brought very big hail to parts of Oklahoma and Texas on Sunday. Given the increasing instability and strong wind shear expected to be in place, these storms will increase in intensity during the day.