Myrtle Beach and the wider Grand Strand region are increasingly experiencing extreme heat events, defined as prolonged periods of unusually high temperatures. These conditions, which are becoming more frequent, severe, and longer-lasting, pose significant health risks and are recognized as a leading cause of weather-related fatalities.
Preventative measures against heat illness begin with adequate hydration. Health guidelines recommend that an average adult consume approximately three-quarters of a gallon of water daily, though individual needs can vary based on activity level and personal health. A key indicator of insufficient hydration is dark-yellow urine. Individuals are advised to avoid sugary drinks, caffeinated beverages, and alcohol, as these can contribute to dehydration. For those who experience heavy sweating, combining water intake with salty snacks or a sports drink is crucial to replenish lost salts and minerals.
Emergency preparedness is a critical component of heat safety. Households should establish a minimum supply of one gallon of drinking water per person per day. It is recommended to assemble a “Go-Kit” containing at least three days’ worth of portable supplies for potential evacuation, and a “Stay-at-Home Kit” with a two-week supply for sheltering in place. A one-month supply of essential medications, stored in child-proof containers, is also advised. Other vital preparations include organizing medical supplies and equipment, ensuring backup batteries and chargers are available for electronic devices, and stocking sunscreen, wide-brimmed hats, and lightweight, loose-fitting clothing. Residents should also keep a medication-and-dosage card readily accessible and plan for potential disruptions to power, gas, water, cell-phone service, and access to medical equipment.
During periods of extreme heat, relying solely on electric fans is often insufficient to prevent heat-related illness, particularly when temperatures reach into the high 90s. Seeking air-conditioned environments for several hours each day is a more effective strategy. Public spaces such as libraries, shopping malls, or designated public cooling centers can offer respite. Individuals should pre-plan transportation routes to these cooler locations and verify the functionality of their home air conditioning systems. Establishing a support team of friends, family, or neighbors to check on one another is also recommended. Signing up for local emergency alerts, monitoring local weather forecasts, and keeping a backup phone-charging method and a battery-powered radio are essential steps. It is important to distinguish between a “WATCH,” which signifies “Be Prepared!”, and a “WARNING,” which means “Take Action!” immediately.
When extreme heat is present, individuals should prioritize drinking plenty of fluids and replacing lost salts and minerals with appropriate snacks or sports drinks. Remaining in air-conditioned spaces as much as possible, wearing lightweight and loose clothing, and taking cool showers or baths are effective ways to manage body temperature. Limiting outdoor activity, especially during the hottest parts of the day, is crucial. If outdoor work is unavoidable, it should be scheduled for earlier or later in the day when temperatures are lower. A particular emphasis is placed on checking on vulnerable populations, including older adults, infants, young children, pregnant women, individuals with pre-existing medical conditions, outdoor workers, those with limited personal resources, and people residing in areas lacking green spaces, which can exacerbate heat effects.
Understanding the symptoms and appropriate responses to heat-related illnesses is vital. Heat cramps, characterized by muscle spasms resulting from significant salt and water loss, often present with heavy sweating and muscle pain. The recommended action is to move to a cool place and consume water or a sports drink. Medical attention should be sought if cramps persist for more than an hour or if the affected person has a heart condition.
Heat exhaustion, a more serious condition, may necessitate emergency treatment. Symptoms include heavy sweating, cold, pale, and clammy skin, a fast but weak pulse, nausea or vomiting, muscle cramps, profound tiredness or weakness, dizziness, headache, or fainting. The immediate response involves moving the individual to a cool location, loosening tight clothing, and actively cooling the body with wet cloths, misting, fanning, or a cool bath. Sipping water slowly is also advised. Emergency medical help is required if vomiting occurs, symptoms persist or worsen after an hour, or if confusion develops.
Heat stroke represents a life-threatening emergency demanding immediate medical intervention. Warning signs include a body temperature of 104°F or higher, hot, red, dry, or damp skin, a fast and strong pulse, headache, dizziness, nausea, confusion, or loss of consciousness. In such cases, 911 must be called immediately. While awaiting emergency services, move the person to a cool place and begin cooling their body with wet cloths, misting, fanning, or a cool bath. Crucially, nothing should be given to the person to drink.
Following an extreme heat event, maintaining a healthy diet and ensuring adequate sleep are important for recovery. The Disaster Distress Helpline, available at 1-800-985-5990, offers support for those experiencing emotional distress related to such events.
Why it matters in Myrtle Beach
The increasing frequency and intensity of extreme heat events directly impact the health and economic vitality of Myrtle Beach. The city’s primary industry, leisure and hospitality, relies heavily on outdoor activities and a substantial seasonal workforce, many of whom are exposed to the elements. Grand Strand Regional Medical Center and other local healthcare providers face increased demand for services during heatwaves, treating conditions ranging from heat cramps to life-threatening heat stroke. Ensuring residents and visitors are well-informed about heat safety protocols is crucial for mitigating public health risks and supporting the well-being of the community, especially vulnerable populations such as older adults in neighborhoods like Withers Preserve and outdoor workers across Horry County. Proactive measures help protect both the local population and the tourism experience that underpins the Myrtle Beach economy.