The Storm Prediction Center has issued a TORNADO Watch effective until 6pm for the following counties, Cedar, Clinton, Des Moines, Henry, Jackson, Lee, Louisa, Muscatine and Scott.

DISCUSSION…THUNDERSTORMS EXPECTED TO INCREASE IN NUMBER AND INTENSITY ALONG AND AHEAD OF STRONG COLD FROM ERN IA INTO NRN MO. AIR MASS IS NOW MODESTLY UNSTABLE AND WITH THE VERY STRONG SHEAR PROFILES IN PLACE…SEVERE STORMS ARE EXPECTED TO DEVELOP. PRIMARY THREAT WILL BE WIND DAMAGE…HOWEVER SUPERCELLS INCLUDING POSSIBLE TORNADOES WILL BE POSSIBLE…PRIMARILY IN ADVANCE OF DEEPENING LOW MOVING NEWD ACROSS ERN IA INTO WI AND EWD NEAR WARM FRONT ACROSS NRN IL.