Alert archive / Georgia / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 230, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at May 13, 2011, 1:46 PM EDT for Chattooga County, Floyd County, Georgia. It was in force for 44 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
- May 13, 2011, 1:46 PM EDT (17:46 UTC)
- Expired
- May 13, 2011, 2:30 PM EDT
- In force
- 44 min
- Issued by
- NWS Atlanta, GA
- Area
- Storm-based polygon
Counties Chattooga County, GA, Floyd County, GA
The radar
The Northeast Alabama radar (KHTX), 109 km from the middle of the area, began a volume at 17:50 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 |
|---|---|---|---|
| May 13, 2:00 PM EDT | TSTM WND DMG | Rome, GA | FLOYD COUNTY 911 RELAYED REPORTS OF 8-9 DOWNED TREES ALONG WITH DAMAGE TO POWERLINES AND A STREET LIGHT IN AND AROUND ROME. |
| May 13, 2:20 PM EDT | TSTM WND DMG | Ne Armuchee, GA | BROADCAST MEDIA REPORTS A TREE DOWNED ONTO A HOUSE IN ARMUCHEE WITH SEVERAL DOWNED POWERLINES. |
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 |
|---|---|---|---|
| May 13, 1:10 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 5.8 hours before the alert went out and 121 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
- 696 J/kg
- Mixed-layer CIN
- -88 J/kg
- Mixed-layer LCL
- 1122 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -33 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
184
WUUS52 KFFC 131746
SVRFFC
GAC055-115-131830-
/O.NEW.KFFC.SV.W.0230.110513T1746Z-110513T1830Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
146 PM EDT FRI MAY 13 2011
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CHATTOOGA COUNTY IN NORTHWEST GEORGIA
FLOYD COUNTY IN NORTHWEST GEORGIA
* UNTIL 230 PM EDT
* AT 141 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZED
HAIL...AND DAMAGING WINDS UP TO 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM WEST OF SUMMERVILLE TO WEST OF
CAVE SPRING...MOVING EAST AT 30 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
TRION...ROME AND SHANNON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS
IMMEDIATELY! REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT 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.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT FRIDAY
EVENING FOR NORTHERN GEORGIA.
&&
LAT...LON 3459 8553 3459 8507 3447 8509 3446 8511
3444 8509 3440 8511 3440 8503 3439 8501
3425 8501 3422 8503 3421 8505 3410 8505
3408 8515 3410 8516 3410 8526 3408 8526
3408 8543
TIME...MOT...LOC 1745Z 262DEG 28KT 3444 8555 3428 8553
3412 8552
$$2 follow-up statements
766
WWUS52 KFFC 131805
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
205 PM EDT FRI MAY 13 2011
GAC055-115-131830-
/O.CON.KFFC.SV.W.0230.000000T0000Z-110513T1830Z/
CHATTOOGA GA-FLOYD GA-
205 PM EDT FRI MAY 13 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM EDT
FOR FLOYD AND CHATTOOGA COUNTIES...
AT 159 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZED HAIL...AND DESTRUCTIVE WINDS UP TO 70 MPH. THESE STORMS WERE
LOCATED FROM AROUND MENLO TO COOSA TO WEST OF CAVE SPRING...MOVING
EAST AT 30 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BERRYTON...JAMES H. FLOYD STATE PARK...SUMMERVILLE...TRION...ROME...
TIDINGS...LINDALE...ARMUCHEE...SHANNON...PINSON...EVERETT SPRINGS...
LAKE MARVIN AND SUBLIGNA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT FRIDAY
EVENING FOR NORTHERN GEORGIA.
&&
LAT...LON 3459 8553 3459 8507 3447 8509 3446 8511
3444 8509 3440 8511 3440 8503 3439 8501
3425 8501 3422 8503 3421 8505 3410 8505
3408 8515 3410 8516 3410 8526 3408 8526
3408 8543
TIME...MOT...LOC 1804Z 262DEG 28KT 3445 8543 3428 8529
3408 8539
$$593
WWUS52 KFFC 131816
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
216 PM EDT FRI MAY 13 2011
GAC055-115-131830-
/O.CON.KFFC.SV.W.0230.000000T0000Z-110513T1830Z/
CHATTOOGA GA-FLOYD GA-
216 PM EDT FRI MAY 13 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM EDT
FOR FLOYD AND CHATTOOGA COUNTIES...
AT 211 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZED HAIL...AND DESTRUCTIVE WINDS UP TO 70 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM AROUND SUMMERVILLE TO HOLLAND TO
CAVE SPRING...MOVING NORTHEAST AT 30 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
TIDINGS...TRION...ARMUCHEE...LINDALE...ROME...SHANNON...PINSON...
EVERETT SPRINGS...LAKE MARVIN AND SUBLIGNA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER 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.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT FRIDAY
EVENING FOR NORTHERN GEORGIA.
&&
LAT...LON 3459 8553 3459 8507 3447 8509 3446 8511
3444 8509 3440 8511 3440 8503 3439 8501
3425 8501 3422 8503 3421 8505 3410 8505
3408 8515 3410 8516 3410 8526 3408 8526
3408 8543
TIME...MOT...LOC 1815Z 238DEG 27KT 3452 8534 3435 8524
3417 8532
$$The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 12:55 PM EDT | Special Weather Statement | FFC | Dade | 50 min |
| May 13, 1:30 PM EDT | Special Weather Statement | FFC | Catoosa, Walker | 45 min |
| May 13, 2:09 PM EDT | Special Weather Statement | FFC | Catoosa, Whitfield | 51 min |
| May 13, 2:28 PM EDT | Special Weather Statement | FFC | Floyd, Gordon, Polk | 47 min |
| May 13, 2:48 PM EDT | Special Weather Statement | FFC | Walker | 27 min |
| May 13, 2:49 PM EDT | Special Weather Statement | FFC | Haralson | 26 min |
| May 13, 2:56 PM EDT | Special Weather Statement | FFC | Murray | 49 min |
| May 13, 3:07 PM EDT | Special Weather Statement | FFC | Gilmer, Pickens | 38 min |
| May 13, 3:45 PM EDT | Special Weather Statement | FFC | Fannin | 45 min |
| May 13, 3:55 PM EDT | Special Weather Statement | FFC | Forsyth | 50 min |
| May 13, 4:39 PM EDT | Special Weather Statement | FFC | White | 36 min |
| May 13, 6:10 PM EDT | Special Weather Statement | FFC | Chattahoochee, Muscogee | 65 min |
| May 13, 6:28 PM EDT | Special Weather Statement | FFC | Harris | 47 min |
| May 13, 6:48 PM EDT | Special Weather Statement | FFC | Chattahoochee, Harris, Muscogee | 42 min |
| May 13, 6:58 PM EDT | Severe Thunderstorm Warning | FFC | Harris | 20 min |
| May 13, 7:10 PM EDT | Special Weather Statement | FFC | Talbot | 35 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2011Every severe thunderstorm warning in 2011
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.