Alert archive / Georgia / Severe Thunderstorm Warnings in 2015
Severe Thunderstorm Warning 252, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Aug 4, 2015, 3:17 PM EDT for Atkinson County, Clinch County, Georgia. It was in force for 30 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 4, 2015, 3:17 PM EDT (19:17 UTC)
- Expired
- Aug 4, 2015, 3:47 PM EDT
- In force
- 30 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
Counties Atkinson County, GA, Clinch County, GA
The radar
The Moody AFB radar (KVAX), 43 km from the middle of the area, began a volume at 19:16 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 4, 3:25 PM EDT | TSTM WND DMG | 2 W Argyle, GA | CITIZEN CALLED TO REPORT TREES DOWNED NEAR HIGHWAY 84 IN THE VICINITY OF ARGYLE. HEAVY RAINFALL ALSO RESULTED IN WATER OVER RICHARD JAMES ROAD WHICH HAS YET TO RECEDE. TIME OF DAMAGE BASED ON RADAR DATA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 7.3 hours before the alert went out and 127 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
- 2233 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 611 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -25 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
538
WUUS52 KJAX 041917
SVRJAX
GAC003-065-042000-
/O.NEW.KJAX.SV.W.0252.150804T1917Z-150804T2000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
317 PM EDT TUE AUG 4 2015
THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN ATKINSON COUNTY IN SOUTHEASTERN GEORGIA...
NORTHWESTERN CLINCH COUNTY IN SOUTHEASTERN GEORGIA...
* UNTIL 400 PM EDT
* AT 317 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM
WAS LOCATED NEAR COGDELL...OR NEAR HOMERVILLE...AND MOVING
NORTHEAST AT 10 MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY THE
DAMAGING WINDS.
* LOCATIONS IMPACTED INCLUDE...
HOMERVILLE...ARGYLE...COGDELL AND AXSON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...
DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. 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.
&&
LAT...LON 3135 8268 3128 8265 3128 8270 3123 8270
3121 8268 3107 8262 3099 8276 3115 8297
3119 8297
TIME...MOT...LOC 1917Z 232DEG 11KT 3114 8276
$$
SHASHY2 follow-up statements
098
WWUS52 KJAX 041931
SVSJAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
331 PM EDT TUE AUG 4 2015
GAC003-065-042000-
/O.CON.KJAX.SV.W.0252.000000T0000Z-150804T2000Z/
ATKINSON GA-CLINCH GA-
331 PM EDT TUE AUG 4 2015
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM EDT
FOR SOUTHEASTERN ATKINSON AND NORTHWESTERN CLINCH COUNTIES...
AT 330 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING DAMAGING WINDS OF 60 MPH. THIS STORM WAS
LOCATED OVER COGDELL...OR 7 MILES NORTHWEST OF ARGYLE...MOVING
NORTHEAST AT 10 MPH.
LOCATIONS IMPACTED INCLUDE...
HOMERVILLE...ARGYLE...COGDELL AND AXSON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY. LIGHTNING IS ONE OF NATURES LEADING KILLERS.
REMEMBER... IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
&&
LAT...LON 3129 8279 3128 8270 3123 8270 3121 8268
3107 8262 3099 8276 3113 8295 3119 8293
3127 8283
TIME...MOT...LOC 1930Z 229DEG 10KT 3116 8273
$$
SHASHY421
WWUS52 KJAX 041947
SVSJAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
347 PM EDT TUE AUG 4 2015
GAC003-065-041957-
/O.CAN.KJAX.SV.W.0252.000000T0000Z-150804T2000Z/
ATKINSON GA-CLINCH GA-
347 PM EDT TUE AUG 4 2015
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ATKINSON AND
NORTHWESTERN CLINCH COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED. HOWEVER GUSTY WINDS AND
HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.
LAT...LON 3129 8279 3128 8270 3123 8270 3121 8268
3107 8262 3099 8276 3113 8295 3119 8293
3127 8283
TIME...MOT...LOC 1945Z 232DEG 11KT 3119 8268
$$
SHASHYThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 2:48 PM EDT | Special Weather Statement | JAX | Ware | 42 min |
| Aug 4, 3:40 PM EDT | Special Weather Statement | JAX | Charlton | 35 min |
| Aug 4, 3:58 PM EDT | Special Weather Statement | JAX | Clinch | 32 min |
| Aug 4, 4:15 PM EDT | Special Weather Statement | JAX | Charlton | 45 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2015Every severe thunderstorm warning in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.