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Health Precautions for Extreme Cold Weather Conditions

With below freezing temperatures and the potential for below zero wind chills forecasted for Tuesday January 11, 2022, Greenwich Department of Health is reminding residents to take precautions against hypothermia and frostbite and when using alternative heating sources in their home. Heating systems during cold weather normally work “overtime” and sometimes become faulty without warning. When this situation occurs, space heaters and fire places get used to stay warm; however, their use increases the risk of household fires and carbon monoxide poisoning.

Extreme weather conditions are classified as near freezing or below freezing temperatures. Exposure to these weather conditions, whether indoors or outside, can cause serious or life threatening health emergencies. Although anyone can be affected by the cold, infants, children, the elderly and those with medical conditions are particularly at risk. The following information should be considered when dealing with extreme cold weather conditions.


Frostbite: a medical condition caused by the cold freezing of body tissue. Frostbite most often affects the nose, ears, cheeks, chin, fingers or toes. Frostbite can also occur at temperatures above freezing, due to wind chill. First signs of frostbite include redness or pain in any skin area, followed by a white, waxy or grayish-yellow look to the skin. A person who is experiencing frostbite may experience numbness, tingling or stinging to the body part exposed. Person with this condition must be moved indoors immediately. Do not rub or massage parts of the body that appear to be frostbitten. Do not use a heating pad, fireplace or radiator for warming; however, affected frostbitten areas of the body can be warmed with body heat. This condition is serious and requires immediate medical attention.

Hypothermia: a medical emergency that is caused by prolonged exposure to cold temperatures. Hyperthermia develops when a person’s body temperature falls below normal. Early symptoms of persons affected by hypothermia are shivering uncontrollably, fatigue, confusion, disorientation and loss of coordination. Late symptoms of hypothermia include puffiness of the face, blue skin, memory loss, slurred speech, slow pulse and breathing, extreme exhaustion and loss of consciousness. If someone is hypothermic, call 911 immediately. Persons experiencing hypothermia must be taken to a warm location, with wet clothing removed and wrapped in warm dry clothing until medical assistance arrives. A warm non-alcoholic beverage can be given to a person who is conscious. Call 911 for medical assistance immediately.


• Wear layers of loose clothing with hat, gloves, scarf and insulated shoes
• Limit outdoor exposure including daily exercise routines
• Know outdoor temperature and the effect of wind chill factors on the body
• Keep walkways free of ice and snow to prevent falls
• Avoid the use of alcohol • Notify someone of your whereabouts when you go out
• Avoid prolonged time outdoors of infants, children, the elderly, those with medical conditions and pets

Carbon Monoxide (CO) is an invisible, odorless gas that can be fatal. The following safety tips will prevent CO poisoning:
• NEVER use portable generators or gasoline-powered equipment inside your home or garage, car port, etc.
• Never use gas or charcoal grills in the house, garage, etc.
• Purchase a carbon monoxide detector for your home
• Make sure inlets and outlets for your furnace are free of snow • Make sure your car’s exhaust pipe is clear. Never heat your car up in the garage, even if the garage door is open

Symptoms of CO poisoning include headache, fatigue, dizziness, nausea or vomiting or loss of consciousness. Take everyone, including pets out of the house and call 911 from outside the house if you think there is a CO exposure.

• Listen to weather forecasts • Conduct annual chimney cleaning and inspection
• Install smoke and carbon monoxide detectors (battery operated) and test them regularly
• Install an indoor thermometer and outdoor thermometer, if possible
• Insulate water lines to prevent freezing
• Keep small children, pets, the elderly and those with health conditions indoors
• Have reliable transportation and a mobile phone if possible
• Do not use candles
• Never use charcoal/gas grills, camp stoves or generators indoors or in the garage
• Do not store gasoline indoors
• Use space heaters safely and ensure proper ventilation if they are needed
• Avoid using extension cords for space heaters and other portable equipment
• Never warm up your car in the garage, even if the garage door is open

Residents can go to the following “warm-up “ location to read, sit quietly and charge their cell phones:
Greenwich Public Safety Complex – John Margenot Atrium, 11 Bruce Place – 9:00 AM – 11:00 PM
Masks will be required. Social distancing requirements will be implemented and as a result, seating may be limited. This Information may be subject to change due to evolving issues and regulations related to COVID-19. For more information, contact the Greenwich Department of Health by calling (203) 622-7836 or online at www.greenwichct.org

TO REPORT ONLY EMERGENCIES – For all Police, Fire and EMS emergencies, dial 911.
Emergency Helplines
Utilities: Aquarion Water Company 1-800-732-9678
Eversource 1-800-286-2000
CT Natural Gas Company (203) 869-6900

Local Non-Emergency Phone Numbers:

Town of Greenwich – www.greenwichct.org (203) 622-7700
Greenwich Department of Health, Division of Environmental Health (203)-987-1000
Greenwich Fire Department non-emergency (203)-622-3950
Greenwich Police Department non-emergency (203)-622-8000
Non-Emergency Medical Transportation Service – American Medical Response (AMR) 1-800-462-9111
Department of Parks and Recreation Tree Division (203)-622-7824
Greenwich Chapter, American Red Cross (203)-869-8444
Greenwich Department of Social Services ( 203) 622-3800
Connecticut Poison Control 1-800-222-1222

Taking preventive action and knowing what to do if exposed to extreme cold is important to stay protected and safe. For more information, contact the Department of Health at (203) 622-7836.

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