Heat advisory in effect July 20 from noon to 8 pm EDT in Charles County, Calvert County and St. Mary’s County.
The National Weather Service in Baltimore MD/Washington has issued a heat advisory.
Heat index values up to 109 due to temperatures in the mid to upper 90s and dew points in the low to mid 70s.
Impacts: Risk of heat-related illness for those without air-conditioning or those outdoors for an extended period.
Precautionary/preparedness actions…
A heat advisory means that a period of high temperatures is expected. The combination of high temperatures and high humidity will create a situation in which heat illnesses are possible.
Take extra precautions if you work or spend time outside.
When possible reschedule strenuous activities to early morning or evening.
Know the signs and symptoms of heat exhaustion and heat stroke.
Wear light weight and loose fitting clothing when possible and drink plenty of water.
To reduce risk during outdoor work the occupational safety and health administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency – call 9 1 1.