Alert archive / Georgia / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 23, NWS Atlanta, GA

March 9, 2011Crisp County, Sumter County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 9, 2011, 1:27 PM EST for Crisp County, Sumter County, Georgia. It was in force for 48 min. 1 report 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 9, 2011, 1:27 PM EST (18:27 UTC)
Expired
Mar 9, 2011, 2:15 PM EST
In force
48 min
Issued by
NWS Atlanta, GA
Area
Storm-based polygon

Counties Crisp County, GA, Sumter County, GA

What was reported inside it

TimeReportWhereRemark
Mar 9, 1:56 PM ESTTSTM WND DMGCordele, GACRISP COUNTY 911 RELAYED REPORTS OF 4-5 DOWNED TREES, A DOWNED POWER LINE, AND A WIND-DAMAGED SIGN IN CORDELE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 6.5 hours before the alert went out and 171 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, Tallahassee Rgnl, FL at 12:00Z on 2011-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2011-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 348 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
611 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
348 m²/s²
0-3 km storm-relative helicity
471 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.

414 
WUUS52 KFFC 091827
SVRFFC
GAC081-261-091915-
/O.NEW.KFFC.SV.W.0023.110309T1827Z-110309T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PEACHTREE CITY GA
127 PM EST WED MAR 9 2011

THE NATIONAL WEATHER SERVICE IN PEACHTREE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CRISP COUNTY IN CENTRAL GEORGIA
  SOUTHEASTERN SUMTER COUNTY IN WEST CENTRAL GEORGIA

* UNTIL 215 PM EST

* AT 120 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS UP
  TO 60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 3 
  MILES SOUTH OF AMERICUS TO NEAR LEESBURG...MOVING EAST AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  DESOTO...CORDELE AND ARABI.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3181 8385 3183 8387 3185 8394 3191 8394
      3191 8429 3201 8430 3204 8396 3203 8396
      3203 8361 3190 8361 3180 8362 3180 8380
TIME...MOT...LOC 1826Z 261DEG 36KT 3202 8417 3171 8413
          3148 8431

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 9, 3:13 AM ESTWind AdvisoryFFCChattooga, Dade, Dawson, Fannin, Gilmer, Lumpkin and 6 more12 hr
Mar 9, 6:38 AM ESTRiver Flood WarningFFCDade43 hr
Mar 9, 8:49 AM ESTRiver Flood WarningFFCChattooga6 days
Mar 9, 9:24 AM ESTFlash Flood WarningFFCFloyd, Haralson, Polk6 hr
Mar 9, 9:35 AM ESTRiver Flood WarningFFCCatoosa59 hr
Mar 9, 10:39 AM ESTRiver Flood WarningFFCWhitfield3 days
Mar 9, 10:39 AM ESTRiver Flood WarningFFCForsyth, Fulton49 hr
Mar 9, 10:39 AM ESTRiver Flood WarningFFCGwinnett11 hr
Mar 9, 10:39 AM ESTRiver Flood WarningFFCClarke, Greene, Oconee11 hr
Mar 9, 10:58 AM ESTFlash Flood WarningFFCBartow, Gordon5 hr
Mar 9, 11:28 AM ESTAreal Flood WarningFFCCatoosa7 hr
Mar 9, 1:11 PM ESTRiver Flood WarningFFCForsyth20 hr
Mar 9, 1:54 PM ESTSevere Thunderstorm WarningFFCBleckley, Dodge, Laurens, Pulaski51 min
Mar 9, 2:16 PM ESTSevere Thunderstorm WarningFFCDodge, Telfair, Wilcox44 min
Mar 9, 2:44 PM ESTSevere Thunderstorm WarningFFCEmanuel, Johnson, Laurens, Montgomery, Treutlen, Wheeler46 min
Mar 9, 2:57 PM ESTSevere Thunderstorm WarningFFCDodge, Montgomery, Telfair, Wheeler48 min
Mar 9, 3:03 PM ESTRiver Flood WarningFFCPolk8 hr
Mar 9, 3:17 PM ESTWind AdvisoryFFCBaldwin, Banks, Barrow, Bartow, Bibb, Bleckley and 90 more28 hr
Mar 9, 3:24 PM ESTSevere Thunderstorm WarningFFCEmanuel, Treutlen51 min
Mar 9, 3:27 PM ESTRiver Flood WarningFFCFloyd, Gordon4 days
Mar 9, 3:34 PM ESTSevere Thunderstorm WarningFFCMontgomery, Toombs41 min
Mar 9, 3:46 PM ESTRiver Flood WarningFFCMurray, Whitfield51 hr
Mar 9, 5:59 PM ESTRiver Flood WarningFFCFloyd56 hr

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.