Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 267, NWS Atlanta, GA

May 26, 2011Emanuel County, Jefferson County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 26, 2011, 10:04 PM EDT for Emanuel County, Jefferson County, Georgia. It was in force for 41 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
May 26, 2011, 10:04 PM EDT (02:04 UTC)
Expired
May 26, 2011, 10:45 PM EDT
In force
41 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Emanuel County, GA, Jefferson County, GA

The radar

The Robins AFB radar (KJGX), 103 km from the middle of the area, began a volume at 02:03 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

Charleston AFB, SC (KCHS), launched 00:00Z, 2.1 hours before the alert went out and 212 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.

Skew-T log-pSkew-T log-p diagram, Charleston AFB, SC at 00:00Z on 2011-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 383 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 00:00Z on 2011-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
383 J/kg
Mixed-layer CIN
-294 J/kg
Mixed-layer LCL
1255 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

136 
WUUS52 KFFC 270204
SVRFFC
GAC107-163-270245-
/O.NEW.KFFC.SV.W.0267.110527T0204Z-110527T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1004 PM EDT THU MAY 26 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EMANUEL COUNTY IN EAST CENTRAL GEORGIA
  SOUTHEASTERN JEFFERSON COUNTY IN EAST CENTRAL GEORGIA

* UNTIL 1045 PM EDT

* AT 958 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A LINE OF SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZED
  HAIL...AND DAMAGING WINDS UP TO 60 MPH. THESE STORMS EXTENDED
  NORTH FROM DELLWOOD...TO BLUNDALE...NORTH ALONG THE 
  JEFFERSON...BURKE COUNTY LINE TO JUST SOUTHEAST OF STELLAVILLE.
  THE STORMS WERE MOVING NORTHEAST AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TWIN
  CITY...SUMMERTOWN...GARFIELD AND WADLEY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. 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.

&&

LAT...LON 3261 8200 3254 8203 3255 8208 3251 8216
      3251 8253 3263 8249 3265 8247 3266 8248
      3275 8244 3302 8238 3316 8230 3315 8226
      3308 8228 3299 8227 3284 8231 3281 8222
      3282 8215 3266 8208
TIME...MOT...LOC 0202Z 216DEG 35KT 3253 8237

$$
1 follow-up statement
306 
WWUS52 KFFC 270243
SVSFFC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
1043 PM EDT THU MAY 26 2011

GAC163-270251-
/O.CAN.KFFC.SV.W.0267.000000T0000Z-110527T0245Z/
JEFFERSON GA-
1043 PM EDT THU MAY 26 2011

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN JEFFERSON COUNTY
IS CANCELLED...

LIGHT RAIN AND OCCASIONAL CLOUD-TO-GROUND LIGHTNING WILL CONTINUE 
ACROSS THE FAR EASTERN PORTION OF THE COUNTY THROUGH 1130 PM 
EDT...BUT NO SEVERE THUNDERSTORMS ARE EXPECTED AT THIS TIME.

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 3261 8200 3254 8203 3255 8208 3251 8216
      3253 8223 3261 8227 3271 8225 3281 8222
      3282 8215 3266 8208
TIME...MOT...LOC 0241Z 216DEG 35KT 3284 8210

$$

GAC107-270245-
/O.CON.KFFC.SV.W.0267.000000T0000Z-110527T0245Z/
EMANUEL GA-
1043 PM EDT THU MAY 26 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT
FOR NORTHEASTERN EMANUEL COUNTY...

AT 1036 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LINE OF SEVERE THUNDERSTORM ACROSS EASTERN EMANUEL COUNTY 
FROM EAST OF THREE POINT TO TWIN CITY. CAPABLE OF PRODUCING QUARTER 
SIZED HAIL...AND DAMAGING WINDS UP TO 60 MPH. THIS STORM WAS LOCATED 
9 MILES NORTH OF CANOOCHEE...MOVING NORTHEAST AT 40 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3261 8200 3254 8203 3255 8208 3251 8216
      3253 8223 3261 8227 3271 8225 3281 8222
      3282 8215 3266 8208
TIME...MOT...LOC 0241Z 216DEG 35KT 3284 8210

$$



19

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 26, 9:37 PM EDTSpecial Weather StatementFFCJefferson, Johnson38 min
May 26, 9:39 PM EDTSevere Thunderstorm WarningFFCEmanuel, Montgomery, Toombs, Treutlen51 min
May 26, 9:49 PM EDTSpecial Weather StatementFFCEmanuel26 min
May 27, 12:53 AM EDTSpecial Weather StatementFFCFayette22 min
May 27, 1:37 AM EDTSpecial Weather StatementFFCWashington38 min
May 27, 2:13 AM EDTSpecial Weather StatementFFCJohnson32 min
May 27, 2:17 AM EDTSpecial Weather StatementFFCCoweta43 min
May 27, 2:26 AM EDTSpecial Weather StatementFFCCoweta34 min
May 27, 2:35 AM EDTSpecial Weather StatementFFCJefferson40 min
May 27, 2:50 AM EDTSpecial Weather StatementFFCDeKalb, Fulton2 hr
May 27, 2:55 AM EDTSpecial Weather StatementFFCCoweta, Fayette50 min
May 27, 4:49 AM EDTFlash Flood WarningFFCDeKalb, Fulton90 min
May 27, 10:09 AM EDTSpecial Weather StatementFFCJefferson36 min
May 27, 11:32 AM EDTSpecial Weather StatementFFCTelfair28 min
May 27, 12:28 PM EDTSpecial Weather StatementFFCTaliaferro32 min
May 27, 1:01 PM EDTSpecial Weather StatementFFCWilkes29 min
May 27, 1:16 PM EDTSpecial Weather StatementFFCTaliaferro, Wilkes59 min
May 27, 1:44 PM EDTSpecial Weather StatementFFCBibb, Jones31 min
May 27, 2:00 PM EDTSpecial Weather StatementFFCTaliaferro30 min
May 27, 2:08 PM EDTSevere Thunderstorm WarningFFCHancock, Taliaferro, Warren, Wilkes52 min
May 27, 2:21 PM EDTSpecial Weather StatementFFCBaldwin24 min
May 27, 2:59 PM EDTSpecial Weather StatementFFCGlascock, Hancock, Warren46 min
May 27, 3:44 PM EDTSpecial Weather StatementFFCGlascock, Hancock, Taliaferro, Warren46 min
May 27, 4:02 PM EDTSpecial Weather StatementFFCWilkinson28 min
May 27, 4:32 PM EDTSpecial Weather StatementFFCWilkinson43 min
May 27, 4:38 PM EDTSevere Thunderstorm WarningFFCLaurens, Wilkinson52 min
May 27, 5:09 PM EDTSpecial Weather StatementFFCEmanuel21 min
May 27, 5:27 PM EDTSpecial Weather StatementFFCJohnson48 min
May 27, 5:29 PM EDTSevere Thunderstorm WarningFFCLaurens46 min
May 27, 5:38 PM EDTSevere Thunderstorm WarningFFCJefferson, Johnson, Washington33 min
May 27, 5:51 PM EDTSpecial Weather StatementFFCTelfair39 min
May 27, 6:14 PM EDTSpecial Weather StatementFFCEmanuel46 min
May 27, 6:25 PM EDTSevere Thunderstorm WarningFFCLaurens, Treutlen50 min
May 27, 6:56 PM EDTSpecial Weather StatementFFCMontgomery, Toombs49 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.