When you see a threat, your body’s stress response — aka the fight or flight system — turns on. Your adrenal glands release stress hormones like cortisol and adrenaline, your heart rate quickens, your blood pressure rises, and blood flow is directed to your muscles to help you either fight the threat or flee, according to Lurie.

The National Weather Service issued a severe thunderstorm warning at 5:33 p.m. on Thursday in effect until 6:30 p.m. for Colbert and Lauderdale counties.