Emergency communication system
161 people were killed and at least 990 injured when an EF5 multiple-vortex tornado hit Joplin, Missouri. Because Joplin is located in a tornado-heavy area of the country, many people considered the tornado sirens routine and ignored them. Instead, many residents waited until they received confirmation from another, non-routine, source, such as seeing the tornado, a radio or TV report, or hearing a second siren. In the aftermath, an assessment team recommended that emergency warnings take risk perception into account to convey a sense of urgency. NOAA Officials are considering ways to change the warning system to distinguish smaller tornadoes from more deadly ones.
Janis Joplin
Peggy Caserta and Seth Morgan had both failed to meet Joplin the Friday immediately prior to her death, October 2, and Joplin had been expecting both of them to keep her company that night. According to Caserta, Joplin was saddened that neither of her friends visited her at the Landmark as they had promised. During the 24 hours Joplin lived after this disappointment, Caserta did not phone her to explain why she had failed to show up. Caserta admitted to waiting until late Saturday night to dial the Landmark switchboard, only to learn that Joplin had instructed the desk clerk not to accept any incoming phone calls for her after midnight. Morgan did speak to Joplin via telephone within 24 hours of her death, but it is not known whether he admitted to her that he had broken his promise.