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Severe weather can occur under a variety of situations, but three characteristics are generally needed: a temperature or moisture boundary, moisture, and (in the event of severe, precipitation-based events) instability in the atmosphere.
Cold urticaria (essentially meaning cold hives) is a disorder in which large red welts called hives (urticaria) form on the skin after exposure to a cold stimulus. [1] The hives are usually itchy and often the hands, feet and other parts of the body will become itchy and swollen as well.
Heat exhaustion is a heat-related illness characterized by the body's inability to effectively cool itself, typically occurring in high ambient temperatures or during intense physical exertion. In heat exhaustion, core body temperature ranges from 37 °C to 40 °C (98.6 °F to 104 °F).
Heatstrokes can cause severe symptoms, including changes in mental status, coma and seizures.A milder form of heat-related illness, known as heat exhaustion, can cause headache, nausea or dizziness.
At least one person died from hypothermia: a dangerous condition that can occur when a person is exposed to extreme cold temperatures. The cold weather presents major threats to people of all ages.
The person's body produces or absorbs more heat than it dissipates. When extreme temperature elevation occurs, it becomes a medical emergency requiring immediate treatment to prevent disability or death. [citation needed] Almost half a million deaths are recorded every year from hyperthermia. [citation needed]
Temperatures inside a parked car can quickly soar, creating a dangerous environment for children, Ganjian says. "Make sure whenever you park your car in a driveway, the doors are locked," he says.
Cold injury (or cold weather injury) is damage to the body from cold exposure, including hypothermia and several skin injuries. [6] Cold-related skin injuries are categorized into freezing and nonfreezing cold injuries. [5] Freezing cold injuries involve tissue damage when exposed to temperatures below freezing (less than 0 degrees Celsius).