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Home Return to list Severe Thunderstorm Warning 0184 Issued by the Jacksonville Forecast Office
Action: New Issued At: 2026-08-12 13:23:20
258
WUUS52 KJAX 121823
SVRJAX
FLC031-089-109-GAC049-121915-
/O.NEW.KJAX.SV.W.0184.260812T1823Z-260812T1915Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Jacksonville FL
223 PM EDT Wed Aug 12 2026
The National Weather Service in Jacksonville has issued a
* Severe Thunderstorm Warning for...
Central Nassau County in northeastern Florida...
North central St. Johns County in northeastern Florida...
Duval County in northeastern Florida...
South central Charlton County in southeastern Georgia...
* Until 315 PM EDT.
* At 223 PM EDT, severe thunderstorms were located along a line
extending from Yulee to near Bryceville, moving southeast at 20
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Jacksonville, Fernandina Beach, Callahan, Jacksonville
International Arpt, Unf, Arlington, Ponte Vedra Beach, Jacksonville
Beach, Atlantic Beach, and Yulee.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail, damaging wind, and continuous cloud to ground lightning
are occurring with these storms. Move indoors immediately. Lightning
is one of natures leading killers. Remember, if you can hear
thunder, you are close enough to be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3047 8210 3060 8187 3069 8155 3065 8140
3052 8141 3003 8128
TIME...MOT...LOC 1823Z 294DEG 17KT 3063 8157 3044 8198
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
HESS
Action: Cancelled Issued At: 2026-08-12 13:45:20
106
WWUS52 KJAX 121845
SVSJAX
Severe Weather Statement
National Weather Service Jacksonville FL
245 PM EDT Wed Aug 12 2026
FLC089-GAC049-121854-
/O.CAN.KJAX.SV.W.0184.000000T0000Z-260812T1915Z/
Nassau FL-Charlton GA-
245 PM EDT Wed Aug 12 2026
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL NASSAU AND SOUTH
CENTRAL CHARLTON COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
&&
LAT...LON 3038 8193 3048 8180 3048 8153 3042 8138
3003 8128
TIME...MOT...LOC 1844Z 294DEG 17KT 3059 8148 3040 8189
$$
FLC031-109-121915-
/O.CON.KJAX.SV.W.0184.000000T0000Z-260812T1915Z/
St. Johns FL-Duval FL-
245 PM EDT Wed Aug 12 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR NORTH CENTRAL ST. JOHNS AND NORTHEASTERN DUVAL COUNTIES...
At 244 PM EDT, severe thunderstorms were located along a line
extending from Amelia City to near Bryceville, moving southeast at 20
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Jacksonville, Unf, Ponte Vedra Beach, Arlington, Jacksonville Beach,
Atlantic Beach, Neptune Beach, Sawgrass, Baymeadows, and Mayport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3038 8193 3048 8180 3048 8153 3042 8138
3003 8128
TIME...MOT...LOC 1844Z 294DEG 17KT 3059 8148 3040 8189
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
HESS
Action: Continued Issued At: 2026-08-12 13:45:20
106
WWUS52 KJAX 121845
SVSJAX
Severe Weather Statement
National Weather Service Jacksonville FL
245 PM EDT Wed Aug 12 2026
FLC089-GAC049-121854-
/O.CAN.KJAX.SV.W.0184.000000T0000Z-260812T1915Z/
Nassau FL-Charlton GA-
245 PM EDT Wed Aug 12 2026
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL NASSAU AND SOUTH
CENTRAL CHARLTON COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
&&
LAT...LON 3038 8193 3048 8180 3048 8153 3042 8138
3003 8128
TIME...MOT...LOC 1844Z 294DEG 17KT 3059 8148 3040 8189
$$
FLC031-109-121915-
/O.CON.KJAX.SV.W.0184.000000T0000Z-260812T1915Z/
St. Johns FL-Duval FL-
245 PM EDT Wed Aug 12 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR NORTH CENTRAL ST. JOHNS AND NORTHEASTERN DUVAL COUNTIES...
At 244 PM EDT, severe thunderstorms were located along a line
extending from Amelia City to near Bryceville, moving southeast at 20
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Jacksonville, Unf, Ponte Vedra Beach, Arlington, Jacksonville Beach,
Atlantic Beach, Neptune Beach, Sawgrass, Baymeadows, and Mayport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3038 8193 3048 8180 3048 8153 3042 8138
3003 8128
TIME...MOT...LOC 1844Z 294DEG 17KT 3059 8148 3040 8189
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
HESS
Action: Continued Issued At: 2026-08-12 14:00:21
556
WWUS52 KJAX 121900
SVSJAX
Severe Weather Statement
National Weather Service Jacksonville FL
300 PM EDT Wed Aug 12 2026
FLC031-109-121915-
/O.CON.KJAX.SV.W.0184.000000T0000Z-260812T1915Z/
St. Johns FL-Duval FL-
300 PM EDT Wed Aug 12 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM EDT
FOR NORTH CENTRAL ST. JOHNS AND CENTRAL DUVAL COUNTIES...
At 300 PM EDT, severe thunderstorms were located along a line
extending from near Amelia City to near Cisco Gardens, moving
southeast at 20 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Jacksonville, Unf, Ponte Vedra Beach, Arlington, Palm Valley,
Sawgrass, Baymeadows, Ortega, Normandy, and San Marco.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3038 8193 3037 8172 3031 8151 3021 8133
3003 8128
TIME...MOT...LOC 1900Z 294DEG 17KT 3057 8143 3038 8184
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
HESS
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