Alert archive / Georgia / Flash Flood Warnings in 2021
Flash Flood Warning 4, NWS Jacksonville, FL
NWS Jacksonville, FL issued this flash flood warning at Jul 7, 2021, 7:01 PM EDT for Camden County, Glynn County, Georgia. It was in force for 119 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 7, 2021, 7:01 PM EDT (23:01 UTC)
- Expired
- Jul 7, 2021, 9:00 PM EDT
- In force
- 119 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Camden County, GA, Glynn County, GA
The radar
The Jacksonville radar (KJAX), 74 km from the middle of the area, began a volume at 23:04 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 11.0 hours before the alert went out and 72 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1540 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 838 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 144 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
308
WGUS52 KJAX 072301
FFWJAX
GAC039-127-080100-
/O.NEW.KJAX.FF.W.0004.210707T2301Z-210708T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jacksonville FL
701 PM EDT Wed Jul 7 2021
The National Weather Service in Jacksonville has issued a
* Flash Flood Warning for...
Northeastern Camden County in southeastern Georgia...
Southeastern Glynn County in southeastern Georgia...
* Until 900 PM EDT.
* At 701 PM EDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 3 inches of rain
have fallen. Additional rainfall amounts of 1 to 2 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas. The flash
flooding of the downtown Brunswick metro area will be
magnified by the high tide this evening.
* Some locations that will experience flash flooding include...
Downtown Brunswick, St. Simons Island, Dock Junction, Jekyll
Island, Country Club Estates and Sea Island.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3107 8158 3121 8152 3125 8145 3118 8131
3111 8134 3110 8137 3103 8138 3102 8137
3100 8138
FLASH FLOOD...RADAR INDICATED
$$
HESS2 follow-up statements
246
WGUS72 KJAX 072339
FFSJAX
Flash Flood Statement
National Weather Service Jacksonville FL
739 PM EDT Wed Jul 7 2021
GAC039-127-080100-
/O.CON.KJAX.FF.W.0004.000000T0000Z-210708T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Camden GA-Glynn GA-
739 PM EDT Wed Jul 7 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 9 PM EDT THIS EVENING
FOR NORTHEASTERN CAMDEN AND SOUTHEASTERN GLYNN COUNTIES...
At 739 PM EDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Between 3 and 6 inches of rain have
fallen. Additional rainfall amounts of 2 to 4 inches are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Life threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
Some locations that will experience flash flooding include...
Brunswick, St. Simons Island, Dock Junction, Jekyll Island,
Country Club Estates and Sea Island.
High tide is occurring this evening and will produce considerable
flash flooding of the downtown Brunswick metro area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3107 8158 3121 8152 3125 8145 3118 8131
3111 8134 3110 8137 3103 8138 3102 8137
3100 8138
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
HESS947
WGUS72 KJAX 080102
FFSJAX
Flash Flood Statement
National Weather Service Jacksonville FL
902 PM EDT Wed Jul 7 2021
GAC039-127-080112-
/O.EXP.KJAX.FF.W.0004.000000T0000Z-210708T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Camden GA-Glynn GA-
902 PM EDT Wed Jul 7 2021
...FLASH FLOOD WARNING HAS EXPIRED FOR NORTHEASTERN CAMDEN AND
SOUTHEASTERN GLYNN COUNTIES...
The heavy rain has ended. Please continue to heed remaining road
closures.
A Flood Watch remains in effect until 200 AM EDT for portions of
Florida and southeast Georgia.
LAT...LON 3107 8158 3121 8152 3125 8145 3118 8131
3111 8134 3110 8137 3103 8138 3102 8137
3100 8138
$$
HESSThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 11:03 PM EDT | Rip Current Statement | JAX | Camden, Glynn | 28 hr |
| Jul 7, 2:52 AM EDT | High Surf Advisory | JAX | Camden, Glynn | 13 hr |
| Jul 7, 8:31 AM EDT | Special Weather Statement | JAX | Echols | 44 min |
| Jul 7, 9:01 AM EDT | Special Weather Statement | JAX | Atkinson | 44 min |
| Jul 7, 9:17 AM EDT | Special Weather Statement | JAX | Echols | 58 min |
| Jul 7, 9:37 AM EDT | Tornado Warning | JAX | Brantley, Pierce, Ware | 23 min |
| Jul 7, 10:03 AM EDT | Special Weather Statement | JAX | Coffee | 42 min |
| Jul 7, 10:14 AM EDT | Special Weather Statement | JAX | Clinch | 46 min |
| Jul 7, 10:19 AM EDT | Special Weather Statement | JAX | Camden | 41 min |
| Jul 7, 10:55 AM EDT | Special Weather Statement | JAX | Atkinson, Bacon, Brantley, Coffee, Pierce | 65 min |
| Jul 7, 12:09 PM EDT | Special Weather Statement | JAX | Appling, Jeff Davis | 36 min |
| Jul 7, 1:38 PM EDT | Areal Flood Warning | JAX | Charlton, Clinch, Echols, Ware | 3 hr |
| Jul 7, 2:47 PM EDT | Special Weather Statement | JAX | Charlton | 58 min |
| Jul 7, 3:31 PM EDT | Areal Flood Warning | JAX | Camden, Charlton, Clinch, Ware | 2 hr |
| Jul 7, 3:45 PM EDT | Special Weather Statement | JAX | Camden, Charlton | 60 min |
| Jul 7, 4:45 PM EDT | Special Weather Statement | JAX | Brantley, Camden, Charlton, Glynn, Pierce, Ware | 60 min |
| Jul 7, 5:15 PM EDT | Areal Flood Warning | JAX | Brantley, Camden, Charlton, Glynn, Pierce, Ware | 2 hr |
| Jul 7, 5:42 PM EDT | Tornado Warning | JAX | Camden | 33 min |
| Jul 7, 5:45 PM EDT | Special Weather Statement | JAX | Brantley, Camden, Glynn, Wayne | 60 min |
| Jul 7, 6:11 PM EDT | Tornado Warning | JAX | Camden, Glynn, Wayne | 21 min |
| Jul 7, 6:17 PM EDT | Areal Flood Warning | JAX | Appling, Brantley, Camden, Glynn, Pierce, Wayne | 3 hr |
| Jul 7, 6:46 PM EDT | Special Weather Statement | JAX | Camden, Glynn, Wayne | 44 min |
| Jul 7, 7:18 PM EDT | Areal Flood Warning | JAX | Brantley, Camden, Charlton, Glynn, Pierce, Ware | 117 min |
| Jul 7, 7:53 PM EDT | Flash Flood Warning | JAX | Glynn | 78 min |
Nearby
Flash Flood Warnings in Georgia, 2021Every flash flood warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.