Key Biscayne Warnings, Watches and Advisories

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Key Biscayne.

Use the Radar Maps link provided to understand the trajectory of a storm.

Frost Advisory issued November 23 at 1:36AM EST until November 23 at 9:00AM EST by NWS Tallahassee FL

* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of southeast Alabama, the Big Bend and Panhandle of Florida, and south central and southwest Georgia. * WHEN...Until 9 AM EST /8 AM CST/ this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Frost Advisory issued November 22 at 8:42PM CST until November 23 at 8:00AM CST by NWS Mobile AL

* WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In Alabama, Escambia, Baldwin Inland, and Mobile Inland Counties. In Florida, Escambia Inland, Okaloosa Inland, and Santa Rosa Inland Counties. In Mississippi, George, Greene, Perry, and Stone Counties. * WHEN...From midnight tonight to 8 AM CST Saturday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Flood Warning issued November 22 at 8:49PM EST by NWS Tampa Bay Ruskin FL

...The Flood Warning continues for the following rivers in Florida... Withlacoochee At SR 200 Holder affecting Citrus County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Withlacoochee at SR 200 Holder. * WHEN...Until further notice. * IMPACTS...At 9.0 feet, Arrowhead subdivision floods with water in homes. * ADDITIONAL DETAILS... - At 7:45 PM EST Friday the stage was 8.9 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:45 PM EST Friday was 9.1 feet. - Forecast...The river is expected to remain steady above flood stage at 8.9 feet. - Flood stage is 8.0 feet. - Flood History...This crest compares to a previous crest of 8.9 feet on 10/11/1947. - https://www.weather.gov/safety/flood

Flood Warning issued November 22 at 7:58PM EST by NWS Melbourne FL

...The Flood Warning continues for the following rivers in Florida... St Johns River Near Astor affecting Volusia and Lake Counties. .River levels on the St Johns near Astor are forecast to continue a slow decline through Minor Flood Stage this weekend and into early next week as winds become lighter. Residents and interests along the Saint Johns River should continue to expect prolonged flood impacts. For the St. Johns River...including Astor...Moderate flooding is forecast. Additional information is available at www.weather.gov. The next statement will be issued Saturday afternoon at noon EST. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...St Johns River near Astor. * WHEN...Until further notice. * IMPACTS...At 2.8 feet, Docks and boat ramps covered at South Moon Fish Camp and approaching sea wall at Blair's Jungle Den. Water approaching sites closest to the river at Fish Tales RV Resort and Astor Landing Campground. Portion of Clair Street covered by river water south of the Butler Boat Ramp. Docks underwater at the Astor Bridge Marina and along Riveredge Drive. Portions of Fox Road are covered with water nearest to the river. Acorn, Hazelnut and Redbud roads are underwater with yards inundated. * ADDITIONAL DETAILS... - At 7:30 PM EST Friday the stage was 2.7 feet. - Bankfull stage is 2.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:30 PM EST Friday was 2.8 feet. - Forecast...The river is expected to remain steady above flood stage at 2.7 feet. - Flood stage is 2.3 feet. - http://www.weather.gov/safety/flood