Heat Advisory issued June 26 at 10:38AM EDT until June 26 at 8:00PM EDT by NWS Morristown TN

MD 1452 CONCERNING SEVERE POTENTIAL...WATCH LIKELY FOR PARTS OF NORTHEASTERN IA...SOUTHEAST MN...SOUTHERN/CENTRAL WI Mesoscale Discussion 1452 NWS Storm Prediction Center Norman OK 1129 AM CDT Thu Jun 26 2025 Areas affected...Parts of northeastern IA...southeast MN...southern/central WI Concerning...Severe potential...Watch likely Valid 261629Z - 261830Z Probability of Watch Issuance...80 percent SUMMARY...Severe storms with a threat of a few tornadoes and isolated to scattered damaging winds may develop this afternoon. DISCUSSION...An MCV is moving out of the Missouri Valley toward southern MN, immediately in advance of a larger-scale mid/upper-level trough moving across the northern Plains. A warm front is draped from northern IA

MD 1453 CONCERNING SEVERE POTENTIAL...WATCH POSSIBLE FOR SOUTHERN APPALACHIANS INTO NORTHERN GEORGIA Mesoscale Discussion 1453 NWS Storm Prediction Center Norman OK 1148 AM CDT Thu Jun 26 2025 Areas affected...southern Appalachians into northern Georgia Concerning...Severe potential...Watch possible Valid 261648Z - 261845Z Probability of Watch Issuance...40 percent SUMMARY...Scattered thunderstorms capable of damaging wind and some instances of severe hail possible this afternoon. DISCUSSION...Thunderstorm activity is ongoing this morning across portions of eastern Tennessee and western South Carolina, with occasional severe pulses. Temperatures have warmed into the mid 80s to 90s across the Carolinas into Georgia and eastern Tennessee, with dew points