Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 4, NWS Jacksonville, FL

January 21, 2012Appling County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Jan 21, 2012, 7:02 PM EST for Appling County, Georgia. It was in force for 43 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
Jan 21, 2012, 7:02 PM EST (00:02 UTC)
Expired
Jan 21, 2012, 7:45 PM EST
In force
43 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon

County Appling County, GA

What was reported inside it

TimeReportWhereRemark
Jan 21, 7:03 PM ESTHAIL 0.75W Baxley, GADIME TO PENNY SIZE HAIL REPORTED WEST OF BAXLEY NEAR BUCKHEAD ROAD
Jan 21, 7:20 PM ESTHAIL 1.755 S Baxley, GAEMERGENCY MANAGEMENT RELAYED A REPORT OF GOLFBALL SIZE HAIL ALONG HIGHWAY 15.

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

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 0.0 hours before the alert went out and 138 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, Jacksonville, FL at 00:00Z on 2012-01-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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, Jacksonville, FL at 00:00Z on 2012-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1044 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
107 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.

678 
WUUS52 KJAX 220002
SVRJAX
GAC001-220045-
/O.NEW.KJAX.SV.W.0004.120122T0002Z-120122T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
702 PM EST SAT JAN 21 2012

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  APPLING COUNTY IN SOUTHEAST GEORGIA

* UNTIL 745 PM EST

* AT 702 PM EST...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
  TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
  LOCATED NEAR BAXLEY...OR NEAR GRAHAM...AND MOVING EAST AT 40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  BAXLEY AND SURRENCY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.

&&

LAT...LON 3175 8213 3148 8214 3154 8223 3156 8225
      3158 8230 3167 8243 3188 8234
TIME...MOT...LOC 0002Z 291DEG 35KT 3177 8241

$$

SHASHY
2 follow-up statements
584 
WWUS52 KJAX 220019
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
719 PM EST SAT JAN 21 2012

GAC001-220045-
/O.CON.KJAX.SV.W.0004.000000T0000Z-120122T0045Z/
APPLING GA-
719 PM EST SAT JAN 21 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EST
FOR APPLING COUNTY...

AT 719 PM EST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...
AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
SURRENCY...MOVING EAST AT 40 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
SURRENCY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.

&&

LAT...LON 3175 8213 3159 8214 3149 8216 3156 8225
      3159 8232 3165 8241 3184 8229
TIME...MOT...LOC 0019Z 291DEG 35KT 3171 8223

$$

STRUBLE
532 
WWUS52 KJAX 220033
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
733 PM EST SAT JAN 21 2012

GAC001-220045-
/O.CON.KJAX.SV.W.0004.000000T0000Z-120122T0045Z/
APPLING GA-
733 PM EST SAT JAN 21 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EST
FOR SOUTHEASTERN APPLING COUNTY...

AT 733 PM EST...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...
AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
SURRENCY...MOVING SOUTHEAST AT 40 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.

&&

LAT...LON 3179 8223 3175 8213 3166 8214 3162 8215
      3149 8216 3156 8225 3159 8232
TIME...MOT...LOC 0033Z 293DEG 34KT 3165 8212

$$

STRUBLE

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 7:18 PM ESTSpecial Weather StatementJAXWayne27 min
Jan 21, 7:30 PM ESTSevere Thunderstorm WarningJAXWayne45 min
Jan 21, 7:44 PM ESTSpecial Weather StatementJAXCoffee46 min
Jan 21, 7:53 PM ESTSevere Thunderstorm WarningJAXCoffee, Jeff Davis52 min
Jan 21, 8:16 PM ESTSpecial Weather StatementJAXWayne29 min
Jan 21, 8:17 PM ESTTornado WarningJAXCoffee28 min
Jan 21, 8:31 PM ESTSevere Thunderstorm WarningJAXBacon, Coffee, Pierce, Ware44 min
Jan 21, 8:45 PM ESTTornado WarningJAXCoffee, Ware45 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2012Every severe thunderstorm warning in 2012

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.