Published: Wed, August 14, 2019

Parts of South and Midwest grapple with risky heat wave

Parts of South and Midwest grapple with risky heat wave

Highs on Monday will be in the upper 80s and lower 90s. The Heat Advisory will be upgraded to an Excessive Heat Warning Tuesday.

Historically, cities such as Austin, Texas; Baton Rouge, Louisiana; Jackson, Mississippi; and Tallahassee, Florida experience less than a week's worth of days each year when the heat index is over 105 degrees (41 Celsius).

The National Weather Service said the advisory would begin at 1 p.m. and end at 8 p.m. The same humidity that pushed the feels-like temperatures to 111 degrees today will fuel these stronger storms.

Forecasters say Rock Hill area residents and others in the Carolinas should heed safety precautions, with high heat and humidity expected for the first half of this week.

Meadows called the recent weather a "roller coaster" and said we could still see high temperatures in the near future, but "we should slowly but surely see less and less".

Humidity levels will surge on Tuesday, making it the muggiest day of the week.

Chances of rain arrive on Wednesday with a 30% chance of scattered thunderstorms. "Afternoon heat index values will intensify further on Tuesday when the heat index is expected to top 110 degrees across areas east of [U.S.] Highway 281, which includes the Dallas-Fort Worth, Waco-Temple-Killeen and Sherman-Denison areas". Most areas will stay dry, but an isolated storm will be possible in western Virginia. When possible, reschedule strenuous activities to early morning or evening.

Heat exhaustion and heat stroke were the leading threats. Anyone overcome by heat should be moved to a cool and shaded location.

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