Alert archive / Georgia / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 345, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Nov 18, 2017, 8:25 PM EST for Dade County, Walker County, Georgia. It was in force for 23 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
- Nov 18, 2017, 8:25 PM EST (01:25 UTC)
- Expired
- Nov 18, 2017, 8:48 PM EST
- In force
- 23 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Dade County, GA, Walker County, GA
The radar
The Northeast Alabama radar (KHTX), 63 km from the middle of the area, began a volume at 01:28 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 |
|---|---|---|---|
| Nov 18, 8:30 PM EST | TSTM WND DMG | 1 W Cloudland Canyon St, GA | A TREE WAS REPORTED DOWN NEAR THE INTERSECTION OF SUNSET DRIVE AND HIGHWAY 136. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 1.4 hours before the alert went out and 179 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
- 6 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 884 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- 441 m²/s²
- 0-3 km storm-relative helicity
- 525 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
821 WUUS52 KFFC 190125 SVRFFC GAC083-295-190200- /O.NEW.KFFC.SV.W.0345.171119T0125Z-171119T0200Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Peachtree City GA 825 PM EST SAT NOV 18 2017 The National Weather Service in Peachtree City has issued a * Severe Thunderstorm Warning for... Western Walker County in northwestern Georgia... Central Dade County in northwestern Georgia... * Until 900 PM EST * At 825 PM EST, a severe thunderstorm was located over Sulpher Springs, or 12 miles south of Trenton, moving east at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Rising Fawn, Linwood, Cloudland Canyon State Park, Cooper Heights and Chattanooga Valley. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. If you see wind damage...hail or flooding...wait until the storm has passed...and then call the National Weather Service toll free at 1 8 6 6 7 6 3 4 4 6 6 or tweet us your report at NWSATLANTA. && LAT...LON 3495 8534 3464 8527 3463 8554 3481 8557 TIME...MOT...LOC 0125Z 262DEG 43KT 3470 8555 HAIL...<.75IN WIND...60MPH $$
2 follow-up statements
436
WWUS52 KFFC 190139
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
839 PM EST SAT NOV 18 2017
GAC083-190149-
/O.CAN.KFFC.SV.W.0345.000000T0000Z-171119T0200Z/
Dade GA-
839 PM EST SAT NOV 18 2017
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL DADE COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 3464 8527 3463 8553 3467 8549 3470 8549
3473 8546 3475 8546 3476 8545 3483 8545
3487 8544 3490 8541 3495 8534
TIME...MOT...LOC 0139Z 262DEG 43KT 3472 8534
$$
GAC295-190200-
/O.CON.KFFC.SV.W.0345.000000T0000Z-171119T0200Z/
Walker GA-
839 PM EST SAT NOV 18 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EST
FOR WESTERN WALKER COUNTY...
At 839 PM EST, a severe thunderstorm was located near Linwood, or
near Lafayette, moving east at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Cooper Heights, Linwood and Chattanooga Valley.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
If you see wind damage...hail or flooding...wait until the storm has
passed...and then call the National Weather Service toll free
at 1 8 6 6 7 6 3 4 4 6 6 or tweet us your report at NWSATLANTA.
&&
LAT...LON 3464 8527 3463 8553 3467 8549 3470 8549
3473 8546 3475 8546 3476 8545 3483 8545
3487 8544 3490 8541 3495 8534
TIME...MOT...LOC 0139Z 262DEG 43KT 3472 8534
HAIL...<.75IN
WIND...60MPH
$$058
WWUS52 KFFC 190148
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
848 PM EST SAT NOV 18 2017
GAC295-190158-
/O.CAN.KFFC.SV.W.0345.000000T0000Z-171119T0200Z/
Walker GA-
848 PM EST SAT NOV 18 2017
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN WALKER COUNTY IS
CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore the warning has been cancelled.
LAT...LON 3464 8527 3463 8553 3467 8549 3470 8549
3473 8546 3475 8546 3476 8545 3483 8545
3487 8544 3490 8541 3495 8534
TIME...MOT...LOC 0147Z 262DEG 43KT 3474 8520
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 18, 7:39 PM EST | Special Weather Statement | FFC | Dade | 51 min |
| Nov 18, 8:12 PM EST | Special Weather Statement | FFC | Catoosa, Chattooga, Floyd, Walker, Whitfield | 48 min |
| Nov 18, 8:57 PM EST | Special Weather Statement | FFC | Bartow, Floyd, Gilmer, Gordon, Murray, Polk and 1 more | 48 min |
| Nov 18, 9:25 PM EST | Special Weather Statement | FFC | Carroll, Cherokee, Cobb, Dawson, Douglas, Forsyth and 5 more | 65 min |
| Nov 18, 10:07 PM EST | Severe Thunderstorm Warning | FFC | Carroll, Coweta, Douglas, Fulton | 23 min |
| Nov 18, 10:16 PM EST | Special Weather Statement | FFC | Banks, Barrow, Clayton, Coweta, DeKalb, Fayette and 7 more | 44 min |
| Nov 18, 10:27 PM EST | Severe Thunderstorm Warning | FFC | Clayton, Coweta, Fayette, Fulton, Heard, Meriwether | 48 min |
| Nov 18, 10:45 PM EST | Special Weather Statement | FFC | Barrow, Clarke, Clayton, Coweta, DeKalb, Fayette and 12 more | 45 min |
| Nov 18, 11:11 PM EST | Special Weather Statement | FFC | Butts, Chattahoochee, Clarke, Harris, Henry, Jasper and 14 more | 49 min |
| Nov 18, 11:45 PM EST | Special Weather Statement | FFC | Baldwin, Bibb, Butts, Chattahoochee, Crawford, Greene and 22 more | 45 min |
| Nov 19, 12:39 AM EST | Special Weather Statement | FFC | Baldwin, Bibb, Bleckley, Glascock, Hancock, Houston and 6 more | 66 min |
| Nov 19, 2:48 AM EST | Freeze Warning | FFC | Baldwin, Banks, Barrow, Bartow, Bibb, Butts and 67 more | 30 hr |
Nearby
Severe Thunderstorm Warnings in Georgia, 2017Every severe thunderstorm warning in 2017
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.