At 543 PM EDT, Doppler radar was tracking a strong thunderstorm near Middleburg, moving east at 20 mph. HAZARD. Wind gusts around 40 mph and minor flooding due to heavy rainfall. SOURCE. Radar indicated. IMPACT. Gusty winds could knock down tree limbs and blow around unsecured objects. Minor flooding due to heavy rainfall is possible. Locations impacted include. Orange Park, Green Cove Springs, Middleburg, Mandarin, Fruit Cove, World Golf Village, Fleming Island, Oakleaf Plantation, Picolata, and Switzerland.

SMWJAX The National Weather Service in Jacksonville has issued a * Special Marine Warning for. Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM. Coastal waters from St. Augustine to Flagler Beach FL out 20 NM. * Until 700 PM EDT. * At 531 PM EDT, strong thunderstorms were located along a line extending from 21 nm west of Jacksonville Beach to 26 nm west of Saint Augustine, moving east at 20 knots. HAZARD. Wind gusts 34 knots or greater. SOURCE. Radar. IMPACT. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include. Atlantic Beach, Dorothy Louise Barge, Saint Augustine Beach, Vilano Beach, South Ponte Vedra Beach, Palm Valley, Nine Mile Reef, Saint Augustine, Jacksonville Beach, Crescent Beach, Saint Johns Lighted Buoy, Butler Beach, and Guana River State Park.

SVRJAX The National Weather Service in Jacksonville has issued a * Severe Thunderstorm Warning for. Northwestern St. Johns County in northeastern Florida. Northern Clay County in northeastern Florida. Southwestern Duval County in northeastern Florida. * Until 600 PM EDT. * At 516 PM EDT, a severe thunderstorm was located over Oakleaf Plantation, or near Middleburg, moving east at 25 mph. HAZARD. 60 mph wind gusts. SOURCE. Radar indicated. IMPACT. Expect damage to roofs, siding, and trees. * Locations impacted include. Jacksonville, Orange Park, Green Cove Springs, Middleburg, Mandarin, Fruit Cove, Arlington, Fleming Island, Baymeadows, and Ortega.

At 534 PM EDT, a severe thunderstorm was located over Bellair-Meadowbrook Terrace, or over Orange Park, moving east at 25 mph. HAZARD. 60 mph wind gusts. SOURCE. Radar indicated. IMPACT. Expect damage to roofs, siding, and trees. Locations impacted include. Jacksonville, Orange Park, Green Cove Springs, Middleburg, Mandarin, Fruit Cove, Arlington, Fleming Island, Baymeadows, and Ortega.