Dangerous heat wave to reach historic levels - KVOA | KVOA.com | Tucson, Arizona

Dangerous heat wave to reach historic levels

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TUCSON - A strong ridge of high pressure will set up directly over Arizona in the coming days bringing a historic heat wave, not only in intensity but length as well.

Daytime highs have once again topped 105 degrees on Saturday for the third straight afternoon but the recent heat is nothing like southern Arizona will experience in the coming days. By Sunday afternoon temperatures will already be approaching 110 degrees for the first time this year.

This historic heat wave will peak between Monday and Wednesday as daytime highs approach 115 degrees for three straight afternoons. These forecast highs will likely break the records the corresponding dates. Temperatures are expected be 110 degrees or greater through Friday, making for at least 5 straight days of 110+, the second longest stretch in history for Tucson. The longest stretch of consecutive 110s was 6 days in June of 1994.

Needless to say the next week will be extremely dangerous so make sure to limit your time outdoors and stay hydrated. Excessive Heat Warnings are in effect now through at least next Thursday so know the signs of heat illness and remember heat stroke is an emergency so call 911. Below are the signs of heat illness from OSHA:

Heat stroke, the most serious form of heat-related illness, happens when the body becomes unable to regulate its core temperature. Sweating stops and the body can no longer rid itself of excess heat. Signs include confusion, loss of consciousness, and seizures. Heat stroke is a medical emergency that may result in death!Call 911 immediately.

Heat exhaustion is the body's response to loss of water and salt from heavy sweating. Signs include headache, nausea, dizziness, weakness, irritability, thirst, and heavy sweating.

Heat cramps are caused by the loss of body salts and fluid during sweating. Low salt levels in muscles cause painful cramps. Tired muscles—those used for performing the work—are usually the ones most affected by cramps. Cramps may occur during or after working hours.

Heat rash, also known as prickly heat, is skin irritation caused by sweat that does not evaporate from the skin. Heat rash is the most common problem in hot work environments.

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