Missouri Heat
Your first and only truly safe choice is to get to a safe building or vehicle. They will not prevent you from being struck by lightning, but may slightly lessen the odds. These actions may slightly reduce your risk of being struck by lightning: The best protection from lightning is a house or other substantial building.
However, stay away from windows, doors, and metal pipes.
Natural Hazard Fatalities in Missouri
Turn off sensitive equipment such as televisions, VCR's, and computers. Do not make a call unless it is an emergency. Many people do not realize how deadly a heat wave can be. In contrast to the visible, destructive, and violent nature of floods, hurricanes, and tornadoes, a heat wave is a "silent killer". In alone, Americans perished in heat waves, including in Illinois and 57 in Missouri. Most heat-related deaths occur in cities.
Brick and mortar buildings, asphalt streets, and tar roofs absorb daytime heat and slowly release it at night. Consequently, temperatures in urban areas can be warmer than rural areas by several degrees both day and night. Some basic comparisons done buy the staff at the NWS St. Louis has found that the temperature in the City of St. Louis often averages about 2 - 5 degrees higher than the temperature at Lambert St.
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In addition to the burden of heat, stagnant conditions often develop during heat waves, with pollutants increasing in concentration near the ground and contributing further to public health problems during heat waves. The elderly population segment is the most vulnerable to the dangers of heat. Of the deaths that occurred in Chicago during the July , heat wave, 73 percent were age 65 or older. The elderly suffer due to the diminished ability to perspire. Since the function of perspiration is to provide evaporation, which in turn provides cooling, the elderly have a reduced capacity to release heat from the body.
Measuring the Combined Effects of Heat and Humidity.
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The National Weather Service uses the Heat Index HI to compute the "apparent temperature," which is a measure of how hot it feels to people at a certain combination of temperature and humidity. The heat index values used in forecasts, advisories, and warnings assume an average size adult, with light clothing, in the shade, with a 5 mile per hour wind.
Being in full sun, or in an area with little air movement, can increase the apparent temperature, and thus increase the risk for adverse effects from the heat and humidity. Winds greater than 5 miles per hour usually enhance evaporative cooling and decrease the apparent temperature and the health threat from the heat.
As noted, the impacts of heat are cumulative over time. The greatest number of heat-induced illnesses and fatalities usually peak two days after the maximum heat index values occurred. The Heat Index Apparent Temperature can be found by taking the temperature number on the left and relative humidity value number at the top and matching them on this table. For example, a temperature of 90 degrees Fahrenheit and a relative humidity of 45 percent gives you a heat index of 93 degre es.
Stop activity and rest in a cool place.
Give sips of cool water. Get victim to a cool place. Apply cool, moist cloths. T emperature or higher. No sweating, rapid pulse, fast and shallow breathing. Hot, red, dry skin. Nausea, dizziness, headache, confusion. Heat stroke is a severe medical emergency. Summon emergency assistance or get the victim to a hospital.
Delay can be fatal.
A Missouri family dog dies at boarding facility after being left outside in the heat | www.newyorkethnicfood.com
Move the victim to a cooler environment. Use cool baths or sponging to reduce body temperature. If you must go out, use sunscreen and wear a wide-brimmed hat. Remember that sunburn reduces the skin's ability to provide cooling. Take frequent breaks if working during the heat of the day. Use air conditioning whenever available.
Even just two hours per day in air conditioning can significantly reduce the risk of heat-related illness. Blow hot air out a window with a fan during the day, and blow in cooler air at night. Eat frequent, small meals. Avoid high protein foods, which increase metabolic heat. Fruits, vegetables, and salads constitute low protein meals.
Temperatures inside a closed vehicle can reach over degrees within minutes. Hydrology Rivers and Lakes. Contact Us Contact Info Feedback. Charles, MO Comments? Please try another search. Multiple locations were found. Please select one of the following:.
A Missouri family dog dies at boarding facility after being left outside in the heat
Vigorous System Impacting the Northwest; Large System To Affect East A potent storm system is delivering heavy rainfall, strong winds, rough surf and beach erosion along the Pacific Northwest coast with mountain snow inland. Summer Weather Safety Week Weather. Climate and Past Weather. Excessive Heat and Lightning. The following is important safety information that can save peoples lives.
Please help spread the word about e xcessive heat and lightning safety so everyone can have a safe summer. Lightning and Excessive Heat. The following chart shows the fatalities for , along with 10 and 30 year averages. You can see that excessive heat deaths is the year average leader, just ahead of flood deaths. Natural Hazard Statistics provide statistical information on fatalities, injuries and damages caused by weather related hazards. More Hyperthermia statistics for Missouri. This amounts to 16 million storms a year!
In the United States, there are an estimated 25 million cloud-to-ground lightning flashes each year. While lightning can be fascinating to watch, it is also extremely dangerous. Lightning Deaths by State: However it is most often seen in individual thunderstorms. We know the cloud conditions necessary to produce lightning, but cannot forecast the location or time of the next stroke of lightning from a storm. The formation of ice in a cloud appears to be a very important element in the development of lightning in a storm.
The collision of ice and water particles causes separation of the positive and negative electric charges in the particles. Positive charged ice particles tend to collect in the upper parts of the storm, with negative charged particles in the middle and lower parts of the storm. Heat waves have the reputation of being a silent killer because their evolution is over a period of days or weeks and they don't leave instant paths of devastation associated with tornadoes, straight-line winds and flash floods.
Significant Weather Events of the Century for Missouri
Nor do they have the awe inspiring characteristics of lightning. The summer of was a wake up call for people to take extreme heat conditions seriously. There were 1, heat related fatalities during the summer of and most of them occurred within a 5 day period in July. A deadly combination of high temperature and humidity in the Midwest created stifling conditions that were unrelenting. In Chicago alone, people perished. The most vulnerable population in heat waves are the elderly. Additionally, urban locations, laden with concrete, asphalt and traffic, tend to be hotter than surrounding rural communities.
Indeed, most of the casualties associated with the '95 heatwave were elderly people living in Chicago. A large number of victims had no air conditioning and were afraid to open their windows for fear of crime.