Alert archive / Georgia / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 105, NWS Atlanta, GA
NWS Atlanta, GA issued this severe thunderstorm warning at May 12, 2007, 2:52 PM EDT for Dawson County, Lumpkin County, Georgia. It was in force for 38 min. 4 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 12, 2007, 2:52 PM EDT (18:52 UTC)
- Expired
- May 12, 2007, 3:30 PM EDT
- In force
- 38 min
- Issued by
- NWS Atlanta, GA
- Area
- Counties, with a storm outline in the text
Counties Dawson County, GA, Lumpkin County, GA
The radar
The Atlanta radar (KFFC), 130 km from the middle of the area, began a volume at 18:52 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 12, 2:55 PM EDT | HAIL 0.75 | 2 Wsw Nimblewill, GA | PENNY SIZE HAIL REPORTED ALONG HIGHWAY 52. |
| May 12, 2:57 PM EDT | HAIL 0.25 | 3 N Mckee, GA | |
| May 12, 2:58 PM EDT | HAIL 0.75 | 3 Sw Nimblewill, GA | |
| May 12, 3:00 PM EDT | TSTM WND DMG | 4 N Dawsonville, GA | HEN HOUSE DAMAGED AS WELL AS ANOTHER CONNECTED STRUCTURE. DAMAGE ESTIMATED AROUND 4000 DOLLARS. A COUPLE TREES WERE ALSO DOWN ON POWER LINES IN THE AREA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 6.9 hours before the alert went out and 283 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
- 495 J/kg
- Mixed-layer CIN
- -105 J/kg
- Mixed-layer LCL
- 1179 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- -17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS52 KFFC 121852
SVRFFC
GAC085-187-121930-
/O.NEW.KFFC.SV.W.0105.070512T1852Z-070512T1930Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
252 PM EDT SAT MAY 12 2007
THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
DAWSON COUNTY IN NORTH CENTRAL GEORGIA
SOUTHWESTERN LUMPKIN COUNTY IN NORTH CENTRAL GEORGIA
* UNTIL 330 PM EDT
* AT 247 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZED HAIL. THIS
STORM WAS LOCATED NEAR AMICALOLA FALLS STATE PARK...MOVING
SOUTHWEST AT 5 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MCKEE
AND DOUGHERTY.
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 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 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.
LAT...LON 3434 8398 3434 8398 3434 8425 3446 8425
3447 8431 3457 8433 3456 8425 3459 8424
3461 8418 3465 8415 3459 8402 3445 8408
3441 8397
$$1 follow-up statement
000
WWUS52 KFFC 121936
SVSFFC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
334 PM EDT SAT MAY 12 2007
GAC085-187-121944-
/O.EXP.KFFC.SV.W.0105.000000T0000Z-070512T1930Z/
DAWSON GA-LUMPKIN GA-
334 PM EDT SAT MAY 12 2007
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN LUMPKIN AND
DAWSON COUNTIES EXPIRED AT 330 PM EDT...
AT 330 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE STRONG THUNDERSTORMS. ONLY LIGHT TO MODERATE RAIN REMAINED
OVER LUMPKIN COUNTY...BUT STRONG THUNDERSTORMS CONTINUED ACROSS MUCH
OF CENTRAL AND SOUTHERN DAWSON COUNTY. THE ACTIVITY WAS MOVING
SOUTHWEST AT 5 MPH.
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING CONTINUES WITH THIS ACTIVITY. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
IF YOU SEE WIND DAMAGE...LARGE HAIL OR SIGNIFICANT FLOODING...WAIT
UNTIL AFTER THE STORM HAS PASSED...AND THEN CALL THE NATIONAL WEATHER
SERVICE TOLL FREE AT 1 8 6 6 7 6 3 4 4 6 6.
LAT...LON 3434 8398 3434 8398 3434 8425 3446 8425
3447 8431 3457 8433 3456 8425 3459 8424
3461 8418 3465 8415 3459 8402 3445 8408
3441 8397
$$
19The office that day
Everything else NWS Atlanta, GA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 2:00 PM EDT | Severe Thunderstorm Warning | FFC | Lumpkin | 30 min |
| May 12, 2:29 PM EDT | Severe Thunderstorm Warning | FFC | White | 46 min |
| May 12, 2:42 PM EDT | Severe Thunderstorm Warning | FFC | Gilmer | 23 min |
| May 12, 3:15 PM EDT | Severe Thunderstorm Warning | FFC | Harris | 30 min |
| May 12, 4:32 PM EDT | Severe Thunderstorm Warning | FFC | Spalding | 28 min |
| May 12, 4:50 PM EDT | Severe Thunderstorm Warning | FFC | Oconee | 25 min |
| May 12, 4:58 PM EDT | Severe Thunderstorm Warning | FFC | Taylor | 23 min |
| May 12, 5:02 PM EDT | Severe Thunderstorm Warning | FFC | DeKalb | 43 min |
| May 12, 5:03 PM EDT | Severe Thunderstorm Warning | FFC | Macon | 32 min |
| May 12, 5:44 PM EDT | Severe Thunderstorm Warning | FFC | Clayton, DeKalb, Henry | 46 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2007Every severe thunderstorm warning in 2007
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.