The National Weather Service has issued a tornado watch in effect until 10 p.m. Friday evening (April 24) for 38 counties in North Central Texas and six counties in Northeast Texas. Hopkins, Delta, Rains, Van Zandt, Anderson and Henderson counties are the six in Northeast Texas. This is a watch and not a warning. A watch means that tornados are possible in the area due to weather conditions. A warning means that a tornado has been located either by radar or by sight. Weather spotters will be activated should the possibility of a tornado increase.