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What is ‘wet bulb’ temperature? How heat and humidity combine to dangerous levels

Extreme levels of heat and humidity are forecast to spread across the country over the next two weeks, blanketing the Southwest, Midwest, and East Coast with high temperatures beginning this June 19 ...
WTOL

Understanding the difference between a Heat Watch, Heat Advisory and Heat Warning

While they all signal hot and potentially dangerous conditions, each alert type has a specific meaning, and knowing the difference could help you avoid heat-related illness. A heat advisory is issued ...
WSMV

What’s the difference between a Heat Advisory and an Extreme Heat Warning?

NASHVILLE, Tenn. (WSMV) - Both heat advisories and excessive heat warnings signify dangerous heat conditions, but they differ in the severity of the heat and the recommended actions. A Heat Advisory ...
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As heat index nears 115, know the difference between heat exhaustion and heat stroke

It looks like the sizzling temperatures Jacksonville experienced over the weekend were just preheating the oven. The real scorcher starts today — and will continue through Tuesday. The National ...