Extreme Temperatures
Extreme temperatures occur when temperatures are much hotter and/or humid than average in the summertime and much colder than average in the wintertime. Humidity and wind chill can have an affect on how hot or cold temperatures feel, and the effect it has on our bodies. Extreme temperatures can be dangerous because it can make us sick, cause overexertion, or cause damage to our homes and property such as burst pipes.
Extreme Cold
In St. Mary’s County, it is considered to be “extreme cold” when the National Weather Service issues a Wind Chill Advisory, Watch, or Warning that is expected to extend over a period of two consecutive days or longer.
Wind chill is what the air temperature feels like to the human skin due to the combination of cold temperatures and winds blowing on exposed skin.
Extreme Heat
In St. Mary’s County, it is considered to be “extreme heat” when the maximum heat index temperature is expected to be 100 degrees or higher for at least two days, and the nighttime air temperatures will not drop below 75 degrees.
Heat index is the apparent temperature, which is what the temperature feels like to the human body when relative humidity is combined with air temperature.
Warming and Cooling Centers
During extreme temperature events, warming or cooling centers may be opened to be utilized by the public. Sign up for St. Mary’s County Government news alerts or check social media for up-to-date information on locations and hours of operation.
Be prepared: Learn the Signs of Head and Cold Related Illness
Be prepared: Learn the Signs of Head and Cold Related Illness
