A heat advisory has been extended through Wednesday from noon until 7 p.m. The National Weather Service in Wakefield has issued the advisory for the Eastern Shore of Virginia and Maryland. Heat index values will be around 105 for the afternoon hours Wednesday.

Prolonged exposure or any strenuous activity may lead to heat related illnesses that require immediate medical attention. The combination of hot temperatures and high humidity will combine to create a situation in which heat illnesses are possible. Drink plenty of fluids, if possible stay under air conditioning, stay out of the sun, and check up on relatives . Make sure outdoor animals and pets have plenty of water.

If you must work outdoors, take frequent rest breaks in a shaded or air conditioned environment. Know the signs and symptoms of heat exhaustion and heat stroke.

The Red Cross has the following recommendations if you think someone has heat exhaustion.

The symptoms of heat exhaustion are cool, moist, pale, ashen or flushed skin; headache; nausea; dizziness; weakness; and exhaustion.

If you suspect someone has heat exhaustion move the person to a cooler environment with circulating air. Remove or loosen as much clothing as possible and apply cool, wet cloths or towels to the skin. Fan or spray the person with eater.

Wear light weight an loose fitting clothing when possible and drink plenty of water. If the person is conscious, give small amounts of cool water or a commercial sports drink or fruit juice. Give about 4 ounces every 15 minutes.   If a person’s condition does not improve or if he or she refuses water, has a change in consciousness, or vomits call 911 immediately.

Heatstroke is a very serious condition that requires immediate action. Many of the symptoms are the same as heat exhaustion but also include rapid heartbeat, which may be either strong or weak; rapid shallow breathing; confusion, disorientation or staggering, seizures and unconsciousness. If you suspect someone has heat stroke, get them into a cooler environment and call 911 immediately.

Wear light weight and loose fitting clothing when possible and drink plenty of water.

Try to schedule any outdoor work during evening or early morning hours.