Overview

• Tampa reached 37.8°C (100°F) at 3:30 p.m. on July 27, marking the highest temperature since records began in 1890 and surpassing the 37.2°C benchmark.
• A persistent high-pressure ridge combined with unusually low humidity and weak sea breezes allowed temperatures to break the city’s 135-year record.
• The NWS office in Jacksonville issued extreme heat warnings in northeastern and northern Florida and southeastern Georgia effective through July 29.
• Heat index values are forecast to climb as high as 43–45°C (110–113°F) before midweek relief arrives with returning coastal breezes.
• Hospitals and emergency departments are on alert for increased cases of dehydration, heat exhaustion and heatstroke as the heatwave peaks.