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12 Jun 2024 | 03:59 AM UTC

US: Adverse weather forecast across southern Florida through at least early June 15

Severe weather forecast across southern Florida, US, through early June 15. Flooding and associated disruptions possible.

Warning

Severe weather is forecast across southern Florida through at least early June 15. Over the coming days, prolonged heavy to excessive rainfall is expected across southern Florida, with over 18 cm (7 inches) of rainfall likely. Showers and thunderstorms are likely across other parts of the state to a lesser extent.

As of late June 11, the National Weather Service (NWS) has issued flood watches and warnings across southern Florida. Authorities will likely issue new alerts or update/rescind existing advisories over the coming days.

The NWS's Weather Prediction Center has warned of a slight risk of excessive rainfall (the second lowest level on a four-tier scale) across southern Florida through early June 15.

Sustained heavy rainfall could trigger flooding in low-lying communities near rivers, streams, and creeks. Urban flooding is also possible in developed areas with easily overwhelmed or a lack of stormwater drainage systems. Sites downstream from large reservoirs or rivers may be subject to flash flooding after relatively short periods of intense rainfall. Landslides are possible in hilly or mountainous areas, especially where heavy rain has saturated the soil. Disruptions to electricity and telecommunications services are possible where significant flooding, strong winds, or landslides impact utility networks.

Floodwaters and debris flows may render some bridges, rail networks, or roadways impassable, impacting overland travel in and around affected areas. Ponding on road surfaces could cause hazardous driving conditions on regional highways. Authorities could temporarily close some low-lying routes that become inundated by floodwaters. Severe weather could also trigger flight delays and cancellations at airports in the affected regions.

Localized business disruptions may occur in low-lying areas; some businesses might not operate at full capacity because of flood damage to facilities and some employees' inability to reach work sites.

Monitor local media for weather-related updates and advisories. Confirm all transport reservations and business arrangements. Seek updated information on road conditions before driving or routing shipments through areas where severe weather is forecast; plan for possible supply chain disruptions throughout the affected areas. Stay away from elevated streams, creeks, and other watercourses that are prone to flash flooding. Do not attempt to navigate flooded roadways. Exercise caution in elevated terrain due to the threat of landslides. Charge battery-powered devices in the case of prolonged electricity outages.