Heat wave safety tips – An toàn trong bão nhiệt

National weather services

Stay Informed: Monitor local radio and television (including NOAA Weather Radio), internet and social media for information and updates.

How to response to excessive heat events
  •  Slow down: reduce, eliminate or reschedule strenuous activities until the coolest time of the day. Children, seniors and anyone with health problems should stay in the coolest available place, not necessarily indoors.
    • Dress for summer. Wear lightweight, loose fitting, light-colored clothing to reflect heat and sunlight.
    • Eat light, cool, easy-to-digest foods such as fruit or salads. If you pack food, put it in a cooler or carry an ice pack. Don’t leave it sitting in the sun. Meats and dairy products can spoil quickly in hot weather.
    • Drink plenty of water (not very cold), non-alcoholic and decaffeinated fluids, even if you don’t feel thirsty. If you on a fluid restrictive diet or have a problem with fluid retention, consult a physician before increasing consumption of fluids.
    • Use air conditioners or spend time in air-conditioned locations such as malls and libraries.
    • Use portable electric fans to exhaust hot air from rooms or draw in cooler air.
    • Do not direct the flow of portable electric fans toward yourself when room temperature is hotter than 90°F. The dry blowing air will dehydrate you faster, endangering your health.
    • Minimize direct exposure to the sun. Sunburn reduces your body’s ability to dissipate heat.

  • Take a cool bath or shower.
  • Do not take salt tablets unless specified by a physician.
  • Check on older, sick, or frail people who may need help responding to the heat. Each year, dozens of children and untold numbers of pets left in parked vehicles die from hyperthermia.  Keep your children, disabled adults, and pets safe during tumultuous heat waves.
  • Don’t leave valuable electronic equipment, such as cell phones and gps units, sitting in hot cars.
  • Make sure rooms are well vented if you are using volatile chemicals.
  • For more heat health tips, go to the Centers for Disease Control and Prevention
Safety tips for Parents
 Even on mild days in the 70s, studies have shown that the temperature inside a parked vehicle can rapidly rise to a dangerous level for children, pets and even adults. Leaving the windows slightly open does not significantly decrease the heating rate. The effects are more severe on children because their bodies warm at a faster rate than adults. A dark dashboard or carseat can quickly reach temperatures in the range of 180°F to over 200°F. These objects heat the adjacent air by conduction and convection and also give off long wave radiation, which then heats the air trapped inside a vehicle. Follow these tips to ensure your child’s safety.
  • Touch a child’s safety seat and safety belt before using it to ensure it’s not too hot before securing a child
  • Never leave a child unattended in a vehicle, even with the windows down, even for just a minute
  • Teach children not to play in, on, or around cars. They could accidentally trap themselves in a hot vehicle.
  • Always lock car doors and trunks–even at home–and keep keys out of children’s reach.
  • Always make sure children have left the car when you reach your destination. Don’t leave sleeping infants in the car ever.
Community intervention
 If you are a public official, please download the Excessive Heat Event Guidebook for best practices during heat waves and for options that communities can use to develop their own mitigation plans. The Guidebook was developed by the Environmental Protection Agency in 2006, in collaboration with the National Oceanic and Atmospheric Administration, the Centers for Disease Control and Prevention, and the Department of Homeland Security. Municipal officials in both the U.S. and Canada provided vital information you can use to help the public cope with excessive heat. The Guidebook was designed to help community officials, emergency managers, meteorologists, and other officials plan for and respond to excessive heat events. The guidebook highlights best practices that have been employed to save lives during excessive heat events in different urban areas and provides a menu of options that officials can use to respond to these events in their communities.
  • Assess locations with vulnerable populations, such as nursing homes and public housing
  • Staff additional emergency medical personnel to address the anticipated increase in demand
  • Shift and expand homeless intervention services to cover daytime hours
  • Open cooling centers to offer relief for people without air conditioning and urge the public to use them.
  • Provide toll-free numbers and Website addresses such as this one for heat exposure symptoms and responses
  • Open hotlines to report concerns about individuals who may be at risk
  • Coordinate broadcasts of excessive heat events response information in newspapers and on television and radio.
 Heat safety for outdoor workers

Outdoor workers can be at a higher risk to the effects of excessive heat.  See Occupational Safety and Health Administration (OSHA) resources and recommended practices when working under hot conditions.

  • Drink water often
  • Rest and cool down in the shade during breaks
  • Gradually increase workload and allow more frequent breaks for new workers or workers who have been away for a week or more
  • Know symptoms, prevention, and emergency response to prevent heat-related illness and death
  • Check weather forecasts ahead of time to be better prepared
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