Alert archive / Georgia / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 85, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at Mar 27, 2017, 7:53 PM EDT for Gilmer County, Murray County, Georgia. It was in force for 37 min. 2 reports 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
- Mar 27, 2017, 7:53 PM EDT (23:53 UTC)
- Expired
- Mar 27, 2017, 8:30 PM EDT
- In force
- 37 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Gilmer County, GA, Murray County, GA
The radar
The Northeast Alabama radar (KHTX), 136 km from the middle of the area, began a volume at 23:56 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 |
|---|---|---|---|
| Mar 27, 8:05 PM EDT | HAIL 1 | 1 Ne Pleasant Hill, GA | QUARTER SIZE HAIL OFF CONASAUGA RD NEAR HWY 52 |
| Mar 27, 8:25 PM EDT | HAIL 1 | 1 Ne Pleasant Hill, GA | QUARTER SIZE HAIL OFF CONASAUGA RD NEAR HWY 52 |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 27, 6:02 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.9 hours before the alert went out and 163 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
- 31 J/kg
- Mixed-layer CIN
- -303 J/kg
- Mixed-layer LCL
- 617 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
286
WUUS52 KFFC 272353
SVRFFC
GAC123-213-280030-
/O.NEW.KFFC.SV.W.0085.170327T2353Z-170328T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Peachtree City GA
753 PM EDT MON MAR 27 2017
The National Weather Service in Peachtree City has issued a
* Severe Thunderstorm Warning for...
Southeastern Murray County in northwestern Georgia...
Northwestern Gilmer County in north central Georgia...
* Until 830 PM EDT
* At 753 PM EDT, a severe thunderstorm was located over Fort Mountain
State Park, or near Chatsworth, moving northeast at 20 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...
Mountaintown, Conasauga Lake, Fort Mountain State Park and Cherry
Log.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.
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 3492 8462 3485 8462 3485 8450 3479 8438
3467 8468 3474 8475 3493 8464
TIME...MOT...LOC 2353Z 228DEG 18KT 3475 8466
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 |
|---|---|---|---|---|
| Mar 27, 3:39 PM EDT | Special Weather Statement | FFC | Chattooga | 36 min |
| Mar 27, 4:07 PM EDT | Special Weather Statement | FFC | Gordon | 23 min |
| Mar 27, 4:50 PM EDT | Special Weather Statement | FFC | Chattooga | 25 min |
| Mar 27, 5:10 PM EDT | Special Weather Statement | FFC | Chattooga, Walker | 35 min |
| Mar 27, 5:39 PM EDT | Special Weather Statement | FFC | Catoosa | 36 min |
| Mar 27, 5:44 PM EDT | Special Weather Statement | FFC | Chattooga | 31 min |
| Mar 27, 6:49 PM EDT | Special Weather Statement | FFC | Catoosa | 26 min |
| Mar 27, 7:10 PM EDT | Special Weather Statement | FFC | Gordon | 35 min |
| Mar 27, 7:41 PM EDT | Special Weather Statement | FFC | Fannin, Murray | 34 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.