Student presentation m. pratt 122511


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  • Student presentation m. pratt 122511

    2. 2. MACKENZEE PRATT - SCI137 STUDENT PRESENTATION extreme weather Nature can be unpredictable and dangerous, especially when dealing with extreme weather conditions. Although we may not be able to always predict when it will occur, we can understand the causes of the conditions, educate ourselves about dangers, and make preparations in advance.
    3. 3. MACKENZEE PRATT - SCI137 STUDENT PRESENTATION extreme weather In this presentation we will cover the following weather conditions that are commonly experienced in the mid-west and ways to prepare for them: extreme heat extreme winter weather tornadoes
    4. 4. Extreme heatWhat is ? We experience extreme heat when temperatures reach extremely high levels, or when the combination of heat and humidity causes the air to become stifling.1 Extreme heat can manifest through either sweltering humidity or a period of excessive dryness.1 Both humidity and dryness can cause the air quality to lessen and the effects of the heat to be more severe.1 See slide 15 for source information.
    5. 5. Extreme heat The dangers of  Extreme heat can lead to other dangerous weather conditions, like dust storms and drought.2  Extreme heat can cause rises in body temperature. If body temperatures become too high, the brain and other organs can be damaged.2  Extreme heat can provoke symptoms of preexisting conditions like asthma, diabetes, and heart disease. 2 See slide 15 for source information.
    6. 6. Extreme heatPlanning for Drink plenty of fluids. If you wait until you're thirsty, you're already dehydrated. Avoid consuming alcohol, large amounts of sugar, and hot foods. These things can cause your temperatures to rise or your body to lose fluids more quickly. Wear appropriate clothing and sunscreen. Choosing lightweight, lightly colored, loose fitting clothing can help to keep you from overheating. Wear hats and apply sunscreen (SPF 15 or higher) frequently. Stay indoors. Remain indoors, if possible, in an air-conditioned or a cool, well-ventilated area. If you must go outside, limit your activities to morning and evening hours. Remember your pets! Your pets will require the same amenities as you do during the heat. Remember to provide them access to plenty of water and keep them inside during mid-day hours. 2 See slide 15 for source information.
    7. 7. Extreme Winter Weather What is ? Extreme winter weather is characterized by low temperatures, high winds, and precipitation. Storms are typically caused by warm and cool air colliding, and creating fast-moving pressure systems. When these systems mix with moisture and cold air, you get a winter storm. The types of precipitation you will see during a winter storm are: snow (flurries, squalls, blowing snow, blizzard), sleet, and freezing rain.3 See slide 15 for source information.
    8. 8. Extreme Winter Weather The dangers of ? Frostbite is common and serious effect of severe cold and winter weather. Simply put, frostbite is tissue damage that can cause numbness and discoloration. Hypothermia is another serious effect of too much exposure to winter weather. It is a condition caused by body heat being lost at a rate higher than it can be produced. The warning signs of Hypothermia include shivering, memory loss, disorientation, slurred speech and exhaustion. Wind chill can play a major role in driving down body temperatures when skin is left exposed. It can speed up the loss of body heat and increase chances of frostbite and hypothermia. Overexertion, from tasks like snow shoveling, are a risk because the combination of cold and sweating can speed up the process of other health issues, including heart failure and hypothermia. 3 See slide 15 for source information.
    9. 9. Extreme Winter Weather Planning for If frostbite is suspected, seek medical help. Slowly rewarm areas if help is not immediately available. To detect hypothermia, take the persons temperature. If below 95°, seek immediate medical help. 3 Stay dry and keep your skin covered. This includes your face and hands. Wear layers so that they can be easily removed when you start to sweat. Sweating can lead to chill. Be sure to eat and drink regularly. Digestion will naturally help increase body temperature and dehydrating can adversely affect your body temperature. Do not eat snow, as it will also decrease your body temperature. Stay inside. Keep the area warm and dry. If heat is unavailable, close off unneeded rooms, stuff towels under doors, and cover the windows. If you use alternative heat (fireplace, stove, space heater), be sure to following instructions carefully, use fire safeguards, and properly ventilate the area. See slide 15 for source information.
    10. 10. tornadoWhat is a ? A tornado is a massive column of wind, spiraling around a center of low atmospheric pressure (a downward flow of cold air meeting an upward flow of warm air). They are usually formed during thunderstorms. A tornado looks very much like a funnel and creates a vacuum that can suck up nearly anything it moves over. Wind speeds can reach up to 500 miles an hour within the twister. Tornadoes usually only last for minutes, but are destructive enough to destroy many square miles during that time. 4 See slide 15 for source information.
    11. 11. tornadoThe dangers of a The dangers of a tornado range from minor wind damage to complete structural damage and loss of life. Survivors of tornadoes commonly are faced with homelessness, loss of crops and other supplies, and contaminated water.5 Finding adequate shelter in limited amounts of time is one of the most challenging issues people must overcome when faced with storms capable of producing tornadoes. Tornado warnings/watches will only provide enough time to seek shelter in close proximity in most cases.6 See slide 15 for source information.
    12. 12. tornadoes.Planning for Prepare a small internal room or basement as a shelter. In the event, stay away from windows and use mattresses and blankets as protection. Keep emergency kits in your home and vehicle at all times. These kits should include a two day supply of water and food for each member of your household, a first aid kit, and a radio (with batteries). You should also keep copies of all of your important documents in the kit. Make sure that you and your family understand your local emergency notification and evacuation plans. Practice makes perfect!5 See slide 15 for source information.
    13. 13. tornado. In the event of a In the event of a tornado warning/watch, move to an interior room or basement. Stay away from windows and use mattresses and blankets as protection. Stay calm and focus. Do not rush and run around. Make yourself a quick, mental to-do list and check off each item as you move towards your shelter. If you keep the appearance of calm, people around you will feel more secure and focused as well. Panic can often lead to injury and the forgetting of important steps in preparations. After any major disaster, do not use matches or utilities until the area has been secured. There could be gas leaks or other pressure build-up from the damage. 5 Do not stay in your car during a tornado. Cars are heavy and are more likely to be picked up by a tornado. You should find an area that will assist you in avoiding debris, and make yourself as small and light as you can. See slide 15 for source information.
    14. 14. suggestions Emergency Kit FEMA suggest the following for a basic emergency kit:  Water, one gallon of water per person per day for at least three days, for drinking and sanitation  Food, at least a three-day supply of non-perishable food  Battery-powered or hand crank radio and a NOAA Weather Radio with extra batteries for both  Flashlight and extra batteries  First aid kit  Whistle to signal for help  Dust mask to help filter contaminated air and plastic sheeting and duct tape to shelter-in- place  Moist towelettes, garbage bags and plastic ties for personal sanitation  Wrench or pliers to turn off utilities  Manual can opener for food  Local maps  Cell phone with chargers, inverter or solar charger 7 See slide 15 for source information.
    15. 15. sources 1. Extreme Heat. Extreme Heat (or Heat Wave).The Weather Channel. February 5, 2009. 2. Beware the Dangers of Extreme Heat. Pinellas County Health Department. 3. All About Winter Storms: What Are Winter Storms?. NOAA & the American Red Cross. November 1991. 4. Tornadoes: What is a Tornado?. Tornadoes. 5. Tornadoes: What is a Tornado?. Oracle ThinkQuest. 6. Frequently Asked Questions: About Tornadoes. NOAA National Severe Storms Laboratory 7. Build a Kit: Basic Disaster Supplies Kit. FEMA