Full Notification

* WHAT...Dangerously hot conditions with afternoon temperatures from 103 to 109. Major Heat Risk.

* WHERE...Upper Santa Cruz River Valley/Altar Valley, including Nogales and Tubac.

* WHEN...Until 8 PM MST Wednesday.

* IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke.

* AFFECTED AREAS: UPPER SANTA CRUZ RIVER AND ALTAR VALLEYS INCLUDING NOGALES

Instructions:

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 lightweight 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.