Miami records hottest day ever since 1942; record warmth possible again Wednesday
- On Tuesday, Miami reached 100°F, tying the city's all-time record high set 84 years ago in 1942. This marks only the second time since records began in 1895 that the city has hit triple digits.
- A powerful heat dome settled over South Florida, trapping hot air beneath it, while westerly winds blocked the Atlantic Ocean's cooling sea breeze. This atmospheric setup prevented the ocean's natural air-conditioning effect from developing along the coastline.
- Fort Lauderdale matched its hottest temperature of the year at 97°F, while heat index values reached as high as 112°F across the region. The combination of extreme temperatures and high humidity created dangerous conditions throughout South Florida.
- Officials urge residents to stay hydrated and limit outdoor activity, warning that prolonged exposure to such temperatures risks heat exhaustion or heat stroke. Health expert Dr. Jorge Vallejo stressed that dehydration can cause "dizziness, weakness, fatigue, even perhaps heat stroke."
- Meteorologists expect relief later this week as a pattern change brings afternoon thunderstorms back to the forecast. These storms should provide cooling relief and much-needed rainfall across South Florida and coastal areas.
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Temperatures this high have not been recorded in Miami since World War II.
Miami hits 100 degrees — tying hottest temperature ever, set in 1942
The mercury soared into the triple digits Tuesday afternoon for the first time since July 21, 1942 as a dangerous heat gripped much of southern Florida, according to the National Weather Service.
Miami hit an all-time record on Tuesday. It’s more significant than you think.
Miami tied its all-time high temperature of 100 degrees Fahrenheit on Tuesday, amid a sprawling heat wave that is affecting areas from Texas to the Southeast. The heat wave, caused by a stalled-out heat dome, continues on Wednesday.
Miami, Florida, recorded a maximum temperature of 100°F (37.8°C) on Tuesday. The only previous record high recorded there was in 1942.
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