If the operator feels there is sufficient rotation or there is a sign that a storm is capable of producing a tornado, large hail, or damaging winds, they would issue a warning. If they feel it is not strong enough, then no warning is issued, according to Dunn.

Heavy rains and thunderstorms could cause flash flooding Sunday in parts of Greater Cincinnati and Northern Kentucky.

An updated flash flood warning was issued by the National Weather Service on Monday at 5:43 p.m. in effect until 8 p.m. for Baker and Malheur counties.

While Monday morning thunderstorms brought nearly two inches of rain to Lawrence, the National Weather Service has issued a heat warning until Wednesday evening as temperatures are expected to climb.