Sweltering Heat Index Hits 106°F: Thunderstorms and Flood Risks in Miami

Photo byNational Weather Service

South Florida faces a scorching heat advisory with potential for thunderstorms, heavy rainfall, and localized flooding. Stay cool and be prepared for weather impacts.

Heat Index Soars to 106°F as Thunderstorms Threaten South Florida

MIAMI — Issued by the National Weather Service at 2:43 AM EDT on September 10, 2024.

Heat Advisory Issued for South Florida Amid Scorching Temperatures The National Weather Service (NWS) in Miami has issued a Heat Advisory for Broward and Miami-Dade Counties, effective from 10 AM to 4 PM today. Peak heat index values are expected to reach up to 106 degrees, posing a risk of heat-related illnesses. Residents are advised to stay hydrated, avoid outdoor activities during peak heat hours, and check on vulnerable individuals such as the elderly and young children. The hot temperatures, combined with high humidity, can be dangerous, so take precautions by staying in cool, air-conditioned spaces when possible.

Numerous Showers and Thunderstorms Expected

This afternoon, South Florida will see numerous showers and thunderstorms, which could bring heavy rainfall, frequent lightning, and gusty winds. The storms, moving slowly across the region, have the potential to cause localized flooding, particularly in low-lying and poor drainage areas of the east coast metro. Residents in flood-prone areas should remain alert and prepared to take action if flooding develops.

Rip Current Risk for Palm Beaches

The NWS has also noted a moderate risk of rip currents along the Palm Beaches today. Beachgoers are urged to swim near lifeguard stations and heed local advisories to ensure safety. Rip currents can be life-threatening, so it’s crucial to remain vigilant and follow instructions from local beach patrols.

Continued Storms and Heat Expected Through the Week

Looking ahead, scattered to numerous thunderstorms are expected daily throughout the week, with some storms potentially becoming strong. The main threats include gusty winds, frequent lightning, and heavy downpours, which could exacerbate localized flooding in metro areas along both coasts. Additionally, elevated heat index values will persist, and may occasionally reach advisory levels, making it important for residents to continue monitoring weather updates and taking necessary precautions.

Hazardous Weather Changes Fast - Stay Updated

Weather Watches, Warnings, and Advisories are frequently updated by the NWS. Please look for updates to this report from the National Weather Service, or your local news channels and NOAA All Hazards radio.

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