Alert archive / Georgia / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 54, NWS Tallahassee, FL

April 9, 2021Early County, Miller County, Georgia; Houston County, Alabama

NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 9, 2021, 9:44 AM EDT for Early County, Miller County, Georgia; Houston County, Alabama. It was in force for 61 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
Apr 9, 2021, 9:44 AM EDT (13:44 UTC)
Expired
Apr 9, 2021, 10:45 AM EDT
In force
61 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Houston County, AL, Early County, GA, Miller County, GA

The radar

The Ft Rucker radar (KEOX), 44 km from the middle of the area, began a volume at 13:47 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

TimeReportWhereRemark
Apr 9, 10:00 AM EDTHAIL 1Columbia, ALREPORT OF 1 INCH HAIL NEAR COLUMBIA AL.

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, 1.7 hours before the alert went out and 123 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 2021-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1133 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, Tallahassee Rgnl, FL at 12:00Z on 2021-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.19395878Sfc1 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
1133 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
692 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
59 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.5

Open this sounding in Storm Lab

The text

As transmitted.

846 
WUUS52 KTAE 091344
SVRTAE
ALC069-GAC099-201-091445-
/O.NEW.KTAE.SV.W.0054.210409T1344Z-210409T1445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tallahassee FL
944 AM EDT Fri Apr 9 2021

The National Weather Service in Tallahassee has issued a

* Severe Thunderstorm Warning for...
  Northeastern Houston County in southeastern Alabama...
  Northwestern Miller County in southwestern Georgia...
  Early County in southwestern Georgia...

* Until 1045 AM EDT/945 AM CDT/.

* At 944 AM EDT/844 AM CDT/, a severe thunderstorm was located near
  Ashford, or 12 miles northeast of Cottonwood, moving northeast at
  25 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Blakely, Ashford, Columbia, Centerville, Gordon, Pansey, Howards
  Mill, Sigma, Pearce, Rock Hill, Colomokee, Barber, Cuba, Early Co
  A/p, Farley Nuclear Plant, Cedar Springs, Hentown, Hilton,
  Sawhatchee and Saffold.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Tallahassee.

&&

LAT...LON 3148 8487 3125 8471 3107 8517 3123 8528
      3131 8515 3131 8509 3135 8509
TIME...MOT...LOC 1344Z 238DEG 23KT 3119 8515 

HAIL...1.00IN
WIND...<50MPH
 
$$

42-DVD
2 follow-up statements
252 
WWUS52 KTAE 091417
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
1017 AM EDT Fri Apr 9 2021

ALC069-GAC201-091427-
/O.CAN.KTAE.SV.W.0054.000000T0000Z-210409T1445Z/
Houston AL-Miller GA-
1017 AM EDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HOUSTON AND
NORTHWESTERN MILLER COUNTIES IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 3148 8487 3130 8476 3125 8489 3126 8492
      3124 8492 3123 8496 3131 8506 3135 8509
      3136 8508
TIME...MOT...LOC 1417Z 236DEG 23KT 3132 8495 

$$

GAC099-091445-
/O.CON.KTAE.SV.W.0054.000000T0000Z-210409T1445Z/
Early GA-
1017 AM EDT Fri Apr 9 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 AM EDT
FOR CENTRAL EARLY COUNTY...

At 1017 AM EDT, a severe thunderstorm was located near Blakely,
moving northeast at 25 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Blakely, Centerville, Colomokee, Cuba, Early Co A/p, Hentown and Rock
Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Tallahassee.

&&

LAT...LON 3148 8487 3130 8476 3125 8489 3126 8492
      3124 8492 3123 8496 3131 8506 3135 8509
      3136 8508
TIME...MOT...LOC 1417Z 236DEG 23KT 3132 8495 

HAIL...1.00IN
WIND...<50MPH
 
$$

42-DVD
406 
WWUS52 KTAE 091435
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
1035 AM EDT Fri Apr 9 2021

GAC099-091445-
/O.EXP.KTAE.SV.W.0054.000000T0000Z-210409T1445Z/
Early GA-
1035 AM EDT Fri Apr 9 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL EARLY COUNTY WILL
EXPIRE AT 1045 AM EDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Tallahassee.

LAT...LON 3148 8487 3130 8476 3125 8489 3126 8492
      3124 8492 3123 8496 3131 8506 3135 8509
      3136 8508
TIME...MOT...LOC 1435Z 238DEG 23KT 3137 8486 

$$

42-DVD

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 9, 8:35 AM EDTSevere Thunderstorm WarningTAEDecatur, Seminole55 min
Apr 9, 9:09 AM EDTSpecial Weather StatementTAERandolph51 min
Apr 9, 9:20 AM EDTSpecial Weather StatementTAEDecatur40 min
Apr 9, 9:38 AM EDTSpecial Weather StatementTAETerrell52 min
Apr 9, 12:56 PM EDTSpecial Weather StatementTAESeminole64 min
Apr 9, 8:57 AM EDTSevere Thunderstorm WarningTAEGeneva, Houston63 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2021Severe Thunderstorm Warnings in Alabama, 2021Every severe thunderstorm warning in 2021

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.