Sonali Tiwary
A system Karmactive covered as a Gulf disturbance two days ago has now organized into a named tropical storm. Florida Governor Ron DeSantis issued an executive order across 25 counties as Tropical Storm Isaias formed in the southwestern Gulf with sustained winds of about 40 miles per hour.
What has changed since the last update
The disturbance that forecasters were watching crossed the threshold to become Tropical Depression Nine and has since been named Isaias. As of the latest National Hurricane Center advisory, the storm is moving east-northeast at about 7 to 8 miles per hour with a central pressure of 1004 millibars. Models point to potential intensification and a landfall window late Thursday into Friday, per the NHC discussion at the time of that advisory.
The Florida emergency declaration activates National Guard resources, suspends toll collections on designated evacuation routes once tropical storm warnings are issued, and waives weight restrictions for fuel trucks and emergency response vehicles. Pharmacists in the affected counties are authorized to dispense 30-day early prescription refills, and price-gouging protections on essential commodities take effect immediately. Residents and businesses should verify each provision against Executive Order 26-202 for their county.
Residents in the 25 declared counties should verify hurricane supply kits now and identify local municipal shelter locations before fuel station deliveries face bottlenecks. Property owners along the coast should secure loose exterior items today—rain bands and preliminary tropical storm-force winds are expected to reach coastal areas ahead of any mid-week intensification.
Which 25 Florida counties are under the state of emergency?
Florida's declaration covers Baker, Bay, Calhoun, Columbia, Dixie, Escambia, Franklin, Gadsden, Gilchrist, Gulf, Hamilton, Holmes, Jackson, Jefferson, Lafayette, Leon, Liberty, Madison, Okaloosa, Santa Rosa, Suwannee, Taylor, Wakulla, Walton, and Washington counties. The order activates National Guard resources and waives emergency transport rules.
Check the next advisory time shown on the National Hurricane Center website—advisory schedules can vary during active storm periods. The storm's track, intensity, and official warning areas can change with each update. Travelers whose flights connect through Gulf Coast airports should review their options—US flight delay and weather disruption guidance covers what carriers are required to offer when weather events trigger disruptions. Residents on the Florida coast already managing vector-related health alerts can check Broward County's dengue surveillance updates for any status changes during the storm period.
Monitor the National Hurricane Center and your county emergency management office for official watch and warning changes.
