Alert archive / Georgia / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 332, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Sep 21, 2017, 6:40 PM EDT for Emanuel County, Johnson County, Georgia. It was in force for 50 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
- Sep 21, 2017, 6:40 PM EDT (22:40 UTC)
- Expired
- Sep 21, 2017, 7:30 PM EDT
- In force
- 50 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Emanuel County, GA, Johnson County, GA
The radar
The Robins AFB radar (KJGX), 78 km from the middle of the area, began a volume at 22:41 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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.7 hours before the alert went out and 199 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
- 375 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 1335 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 7 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
321
WUUS52 KFFC 212240
SVRFFC
GAC107-167-212330-
/O.NEW.KFFC.SV.W.0332.170921T2240Z-170921T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
640 PM EDT THU SEP 21 2017
The National Weather Service in Peachtree City has issued a
* Severe Thunderstorm Warning for...
Northwestern Emanuel County in east central Georgia...
Johnson County in east central Georgia...
* Until 730 PM EDT
* At 640 PM EDT, severe thunderstorms were located along a line
extending from near Wrightsville to Summertown, moving southwest at
15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Swainsboro, Wrightsville, Adrian, Summertown, Kite, Spann, Modoc,
Blundale, Three Points, Norristown Junction, Dellwood, New Home,
Meeks and Scott.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with these storms. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
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 3251 8239 3254 8267 3261 8267 3264 8275
3267 8277 3279 8270 3278 8266 3279 8264
3280 8250 3277 8246 3276 8243 3278 8240
3280 8242 3281 8222 3264 8222
TIME...MOT...LOC 2240Z 031DEG 12KT 3272 8266 3273 8230
HAIL...1.00IN
WIND...60MPH
$$1 follow-up statement
904
WWUS52 KFFC 212316
SVSFFC
Severe Weather Statement
National Weather Service Peachtree City GA
716 PM EDT THU SEP 21 2017
GAC107-167-212330-
/O.CON.KFFC.SV.W.0332.000000T0000Z-170921T2330Z/
Emanuel GA-Johnson GA-
716 PM EDT THU SEP 21 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHWESTERN EMANUEL AND JOHNSON COUNTIES...
At 716 PM EDT, severe thunderstorms were located along a line
extending from near Lovett to near Dellwood, moving southwest at 15
mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Swainsboro, Wrightsville, Adrian, Summertown, Kite, Spann, Modoc,
Blundale, Three Points, Norristown Junction, Dellwood, New Home,
Meeks and Scott.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
If you see wind damage...hail or flooding...wait until the storm has
passed...and then call the National Weather Service toll free
at 1 8 6 6 7 6 3 4 4 6 6 or tweet us your report at NWSATLANTA.
&&
LAT...LON 3251 8239 3254 8267 3261 8267 3264 8275
3267 8277 3279 8270 3278 8266 3279 8264
3280 8250 3277 8246 3276 8243 3278 8240
3280 8242 3281 8222 3264 8222
TIME...MOT...LOC 2316Z 031DEG 12KT 3263 8272 3264 8236
HAIL...1.00IN
WIND...60MPH
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 21, 4:43 PM EDT | Special Weather Statement | FFC | Montgomery | 32 min |
| Sep 21, 4:56 PM EDT | Special Weather Statement | FFC | Banks | 34 min |
| Sep 21, 5:16 PM EDT | Special Weather Statement | FFC | Montgomery, Wheeler | 29 min |
| Sep 21, 5:27 PM EDT | Special Weather Statement | FFC | Laurens | 33 min |
| Sep 21, 5:41 PM EDT | Severe Thunderstorm Warning | FFC | Telfair, Wheeler | 34 min |
| Sep 21, 5:53 PM EDT | Special Weather Statement | FFC | Johnson | 37 min |
| Sep 21, 5:56 PM EDT | Severe Thunderstorm Warning | FFC | Dodge, Telfair | 34 min |
| Sep 21, 5:57 PM EDT | Special Weather Statement | FFC | Dodge | 33 min |
| Sep 21, 6:09 PM EDT | Special Weather Statement | FFC | Dawson | 36 min |
| Sep 21, 6:12 PM EDT | Special Weather Statement | FFC | Johnson | 33 min |
| Sep 21, 6:27 PM EDT | Special Weather Statement | FFC | Johnson | 33 min |
| Sep 21, 6:42 PM EDT | Special Weather Statement | FFC | Pulaski | 33 min |
| Sep 21, 6:59 PM EDT | Severe Thunderstorm Warning | FFC | Pulaski, Wilcox | 31 min |
| Sep 21, 7:30 PM EDT | Special Weather Statement | FFC | Pulaski | 30 min |
| Sep 21, 7:36 PM EDT | Special Weather Statement | FFC | Wilkinson | 24 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.