NEW ORLEANS — The National Weather Service in New Orleans has issued a heat advisory for parts of southeast Louisiana and coastal Mississippi until 7 p.m. Thursday.

The heat advisory will go into effect at 10 a.m. for the following parishes and counties in the New Orleans metro area: Jefferson, Lafourche, Orleans, Plaquemines, St. Bernard, St. Charles, St. James, St. John the Baptist, St. Tammany, Tangipahoa, Terrebonne and Washington parishes and Hancock and Pearl River counties.

A Heat Advisory means that a period of dangerous heat and hot temperatures are expected. The NWS says temperatures will be in the upper 90's to near 100 degrees with the heat index values will be between 105-109°F for up to six hours during the afternoon.

The combination of hot temperatures and high humidity will combine to create a situation in which heat illnesses are possible. Know the signs and symptoms of heat exhaustion and heatstroke. Heatstroke is an emergency, so call 911 if you detect the symptoms.

Heat exhaustion or stroke may set in if individuals or pets are not adequately cooled or hydrated. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun and check up on relatives and neighbors. Take extra precautions if you work or spend time outside.

When possible, reschedule strenuous activities to early morning or evening. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent breaks in shaded or air-conditioned environments. 

Wear lightweight and loose-fitting clothing when possible and drink plenty of water.

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