OKLAHOMA CITY - EMSA officials have lifted a Medical Heat Alert Monday that was previously issued due to cooler temperatures in the forecast. 

Officials said 46 people suffered heat related emergencies since July 16, when the second Heat Alert of the summer was activated. 

This summer, 133 people have suffered heat related emergencies. 

A Medical Heat Alert is issued when medics respond to five or more heat-related calls in a 24-hour period. EMSA cancels a Heat Alert when temperatures decrease significantly, or fewer heat related emergency calls are received, officials said.