Heat Advisory issued July 27 at 3:49AM CDT until July 27 at 7:00PM CDT by NWS Memphis
...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 7 PM CDT THIS EVENING... * WHAT...Heat index values up to 108 expected. * WHERE...Portions of North Mississippi and West Tennessee. * WHEN...From 10 AM to 7 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur.
A warning is issued when a hazardous weather or hydrologic event is occurring, imminent or likely.
A watch is used when the risk of a hazardous weather or hydrologic event has increased significantly, but its occurrence, location or timing is still uncertain.
An advisory is issued when a hazardous weather or hydrologic event is occurring, imminent or likely.