Alert archive / Georgia / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 79, NWS Jacksonville, FL

May 22, 2012Camden County, Charlton County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at May 22, 2012, 10:00 PM EDT for Camden County, Charlton County, Georgia. It was in force for 45 min. 3 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 22, 2012, 10:00 PM EDT (02:00 UTC)
Expired: May 22, 2012, 10:45 PM EDT
In force: 45 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon

Counties Camden County, GA, Charlton County, GA

The radar

The Jacksonville radar (KJAX), 48 km from the middle of the area, began a volume at 02:00 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 22, 10:18 PM EDT	TSTM WND DMG	1 Nnw Woodbine, GA	TREES WERE BLOWN DOWN IN WOODBINE. SOME TREES WERE BLOWN INTO POWER LINES WHICH CAUSED DAMAGE TO TRANSFORMERS.
May 22, 10:18 PM EDT	TSTM WND DMG	5 Wnw Kingsland, GA	TREES BLOWN DOWN IN THE BROWNTOWN AREA.
May 22, 10:18 PM EDT	TSTM WND DMG	5 Wnw Kingsland, GA	EMA RELAYED REPORT OF POWERLINES DOWN AT HWY 40 AND COLERAIN RD IN KINGSLAND.

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, 2.0 hours before the alert went out and 46 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 407 J/kg
Mixed-layer CIN: -87 J/kg
Mixed-layer LCL: 1926 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 77 m²/s²
0-3 km storm-relative helicity: 103 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

549 
WUUS52 KJAX 230200
SVRJAX
GAC039-049-230245-
/O.NEW.KJAX.SV.W.0079.120523T0200Z-120523T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1000 PM EDT TUE MAY 22 2012

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN CHARLTON COUNTY IN SOUTHEAST GEORGIA
  CENTRAL CAMDEN COUNTY IN SOUTHEAST GEORGIA

* UNTIL 1045 PM EDT

* AT 1000 PM EDT...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 9 MILES NORTHWEST OF KINGS FERRY...OR 6 MILES NORTHEAST OF
  FOLKSTON...AND MOVING EAST AT 35 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO KINGS
  FERRY...WOODBINE AND HIGH POINT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 3083 8142 3078 8179 3080 8187 3083 8190
      3083 8195 3078 8198 3097 8201 3108 8153
      3103 8149 3103 8145 3098 8147 3096 8144
      3098 8142 3098 8140 3089 8140
TIME...MOT...LOC 0200Z 261DEG 32KT 3090 8188

$$

1 follow-up statement

094 
WWUS52 KJAX 230227
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1027 PM EDT TUE MAY 22 2012

GAC049-230238-
/O.CAN.KJAX.SV.W.0079.000000T0000Z-120523T0245Z/
CHARLTON GA-
1027 PM EDT TUE MAY 22 2012

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CHARLTON COUNTY IS
CANCELLED...

LAT...LON 3083 8142 3079 8168 3103 8173 3105 8151
      3103 8149 3103 8145 3098 8147 3096 8144
      3098 8142 3098 8140 3089 8140
TIME...MOT...LOC 0228Z 261DEG 32KT 3093 8159

$$

GAC039-230245-
/O.CON.KJAX.SV.W.0079.000000T0000Z-120523T0245Z/
CAMDEN GA-
1027 PM EDT TUE MAY 22 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT
FOR CENTRAL CAMDEN COUNTY...

AT 1028 PM EDT...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
HARRIETTS BLUFF...OR 6 MILES SOUTHEAST OF WOODBINE...MOVING EAST AT
35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DOVER
BLUFF...CUMBERLAND ISLAND AND HIGH POINT.

LAT...LON 3083 8142 3079 8168 3103 8173 3105 8151
      3103 8149 3103 8145 3098 8147 3096 8144
      3098 8142 3098 8140 3089 8140
TIME...MOT...LOC 0228Z 261DEG 32KT 3093 8159

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 22, 8:05 PM EDT	Special Weather Statement	JAX	Bacon	40 min
May 22, 8:17 PM EDT	Special Weather Statement	JAX	Ware	43 min
May 22, 8:30 PM EDT	Special Weather Statement	JAX	Ware	45 min
May 22, 8:35 PM EDT	Special Weather Statement	JAX	Charlton	40 min
May 22, 8:41 PM EDT	Special Weather Statement	JAX	Appling	49 min
May 22, 8:52 PM EDT	Special Weather Statement	JAX	Appling	53 min
May 22, 9:03 PM EDT	Special Weather Statement	JAX	Brantley	42 min
May 22, 9:04 PM EDT	Special Weather Statement	JAX	Ware	26 min
May 22, 9:20 PM EDT	Special Weather Statement	JAX	Charlton	25 min
May 22, 9:24 PM EDT	Severe Thunderstorm Warning	JAX	Brantley, Camden, Glynn	51 min
May 22, 9:39 PM EDT	Special Weather Statement	JAX	Charlton	51 min
May 22, 10:17 PM EDT	Severe Thunderstorm Warning	JAX	Glynn	36 min
May 23, 12:52 AM EDT	Special Weather Statement	JAX	Wayne	38 min
May 23, 1:28 AM EDT	Special Weather Statement	JAX	Wayne	47 min
May 23, 1:35 AM EDT	Severe Thunderstorm Warning	JAX	Pierce, Wayne	40 min
May 23, 2:27 AM EDT	Special Weather Statement	JAX	Wayne	33 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2012 Every 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; radar from the NEXRAD Level II archive.