Jefferson County - East-West Gateway Coordinating Council
Jefferson County - East-West Gateway Coordinating Council
Jefferson County - East-West Gateway Coordinating Council
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A Regional Overview All-Hazard Mitigation Plan 133<br />
HAZARD ANALYSIS NARRATIVE<br />
Hazard: Heat Wave<br />
Description of Hazard (Type of hazard, pathways/areas likely affected, type of damage,<br />
etc.) A heat wave is defined as a prolonged period of excessive heat and humidity (three<br />
consecutive days of 90 degrees plus, Fahrenheit). This usually occurs in June, July and<br />
August. This can result in heat related deaths and damage to infrastructure. The amount of<br />
damage depends on 1). The intensity/length of the heat wave, 2). How well a person is<br />
sheltered.<br />
Historical Statistics (Frequency, strength, # of lives lost, # of injuries, economic losses,<br />
etc.)<br />
Heat wave are likely to occur as frequently as in past history, or between 10 and<br />
100% in the next 10 years. In 1966, 246 individuals were reported to have died as<br />
a result of the heat in the St. Louis metropolitan area. St. Louis experienced heat<br />
waves in 1993, 1988, 1995, without experiencing death rates close to the total of<br />
113 in 1980. A total of 134 heat related deaths have occurred in St. Louis City from<br />
1989 through 2003. Thirty-nine deaths in this same time period occurred in St.<br />
Louis <strong>County</strong>. No information was available for the other counties. St. Louis ranks<br />
in the top five in the U.S. for heat related deaths.<br />
Statement of Future Probable Severity (Catastrophic/Critical/Limited/Negligible)<br />
Negligible to catastrophic dependent upon the location within the EWGCC<br />
region. The EWGCC region has a history of having multiple heat related<br />
deaths.<br />
Statement of Probable Risk (Likeliness of future occurrence- (Highly<br />
Likely/Likely/Possible/Unlikely). It is highly likely that heat waves will occur in the future.<br />
Statement of Next Disaster’s Likely Adverse Impact on the Community<br />
(Catastrophic/Critical/Limited/Negligible). Catastrophic<br />
Without mitigation measures: Life Property Emotional Financial<br />
Comments:<br />
Catastrophic Critical Catastrophic Limited<br />
With mitigation measures: Life Property Emotional Financial<br />
Limited/Critical Negligible Limited Negligible
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