Alert archive / Georgia / Tornado Warnings in 2012

Tornado Warning 21, NWS Jacksonville, FL

June 25, 2012Camden County, Glynn County, Georgia; Nassau County, Florida

NWS Jacksonville, FL issued this tornado warning at Jun 25, 2012, 8:07 AM EDT for Camden County, Glynn County, Georgia; Nassau County, Florida. It was in force for 38 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
Jun 25, 2012, 8:07 AM EDT (12:07 UTC)
Expired
Jun 25, 2012, 8:45 AM EDT
In force
38 min
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon

Counties Nassau County, FL, Camden County, GA, Glynn County, GA

The radar

The Jacksonville radar (KJAX), 54 km from the middle of the area, began a volume at 12:08 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
Jun 25, 8:15 AM EDTTSTM WND DMGSt. Marys, GATHE CALL CENTER RECEIVED REPORTS OF A TREE DOWN ON A CAR AND 2 POWERLINES DOWN. THE TIME GIVEN WAS BASED ON RADAR.

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

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 0.1 hours before the alert went out and 259 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 12:00Z on 2012-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 327 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 12:00Z on 2012-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -64 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
327 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
708 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-64 m²/s²
0-3 km storm-relative helicity
-18 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.

521 
WFUS52 KJAX 251207
TORJAX
FLC089-GAC039-127-251245-
/O.NEW.KJAX.TO.W.0021.120625T1207Z-120625T1245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
807 AM EDT MON JUN 25 2012

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN CAMDEN COUNTY IN SOUTHEAST GEORGIA
  EASTERN NASSAU COUNTY IN NORTHEAST FLORIDA
  SOUTHERN GLYNN COUNTY IN SOUTHEAST GEORGIA

* UNTIL 845 AM EDT

* AT 807 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
  TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  YULEE...OR NEAR ST. MARYS...MOVING NORTHEAST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ST.
  MARYS...DUNGENESS...KINGS BAY BASE...JEKYLL ISLAND AND HIGH POINT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 PM EDT MONDAY AFTERNOON
FOR NORTHEASTERN FLORIDA.

&&

LAT...LON 3103 8141 3100 8140 3101 8145 3098 8147
      3096 8144 3098 8142 3098 8140 3090 8140
      3077 8145 3070 8143 3057 8153 3066 8166
      3114 8146 3111 8139
TIME...MOT...LOC 1207Z 205DEG 28KT 3067 8156

$$

SHASHY
3 follow-up statements
816 
WWUS52 KJAX 251219
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
819 AM EDT MON JUN 25 2012

FLC089-GAC039-127-251245-
/O.CON.KJAX.TO.W.0021.000000T0000Z-120625T1245Z/
CAMDEN GA-NASSAU FL-GLYNN GA-
819 AM EDT MON JUN 25 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 AM EDT FOR SOUTHERN
GLYNN...EASTERN NASSAU AND SOUTHEASTERN CAMDEN COUNTIES...

AT 819 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
TRACK A TORNADO.  THIS TORNADO WAS LOCATED NEAR ST. MARYS...MOVING
NORTHEAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO KINGS
BAY BASE...CUMBERLAND ISLAND...JEKYLL ISLAND AND HIGH POINT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 PM EDT MONDAY AFTERNOON
FOR NORTHEASTERN FLORIDA.

&&

LAT...LON 3103 8141 3100 8140 3101 8145 3098 8147
      3096 8144 3098 8142 3098 8140 3090 8140
      3077 8145 3070 8143 3065 8147 3061 8151
      3067 8163 3069 8165 3114 8146 3111 8139
TIME...MOT...LOC 1219Z 204DEG 28KT 3076 8153

$$

SHASHY
617 
WWUS52 KJAX 251228
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
828 AM EDT MON JUN 25 2012

FLC089-GAC039-127-251245-
/O.CON.KJAX.TO.W.0021.000000T0000Z-120625T1245Z/
CAMDEN GA-NASSAU FL-GLYNN GA-
828 AM EDT MON JUN 25 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 AM EDT FOR SOUTHERN
GLYNN...NORTHEASTERN NASSAU AND SOUTHEASTERN CAMDEN COUNTIES...

AT 828 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
TRACK A TORNADO.  THIS TORNADO WAS LOCATED NEAR KINGS BAY BASE...
MOVING NORTHEAST AT 30 MPH.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 PM EDT MONDAY AFTERNOON
FOR NORTHEASTERN FLORIDA.

&&

LAT...LON 3103 8141 3100 8140 3101 8145 3098 8147
      3096 8144 3098 8142 3098 8140 3090 8140
      3077 8145 3070 8143 3067 8146 3066 8150
      3069 8161 3071 8164 3114 8146 3111 8139
TIME...MOT...LOC 1228Z 204DEG 26KT 3080 8151

$$

SHASHY
616 
WWUS52 KJAX 251236
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
836 AM EDT MON JUN 25 2012

FLC089-251247-
/O.CAN.KJAX.TO.W.0021.000000T0000Z-120625T1245Z/
NASSAU FL-
836 AM EDT MON JUN 25 2012

...THE TORNADO WARNING FOR NORTHEASTERN NASSAU COUNTY IS CANCELLED...

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 PM EDT MONDAY AFTERNOON
FOR NORTHEASTERN FLORIDA.

LAT...LON 3103 8141 3100 8140 3101 8145 3098 8147
      3096 8144 3098 8142 3098 8140 3090 8140
      3077 8145 3072 8143 3071 8145 3073 8148
      3074 8157 3076 8162 3114 8146 3111 8139
TIME...MOT...LOC 1237Z 204DEG 26KT 3086 8148

$$

GAC039-127-251245-
/O.CON.KJAX.TO.W.0021.000000T0000Z-120625T1245Z/
CAMDEN GA-GLYNN GA-
836 AM EDT MON JUN 25 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 AM EDT FOR SOUTHERN
GLYNN AND SOUTHEASTERN CAMDEN COUNTIES...

AT 837 AM EDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM WITH STRONG ROTATION.  THIS TORNADO WAS LOCATED
NEAR KINGS BAY BASE...MOVING NORTHEAST AT 30 MPH.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT...OR YOU CAN CALL THE NATIONAL
WEATHER SERVICE IN JACKSONVILLE DIRECTLY AT 800-499-1594 TO REPORT
SEVERE WEATHER.

&&

LAT...LON 3103 8141 3100 8140 3101 8145 3098 8147
      3096 8144 3098 8142 3098 8140 3090 8140
      3077 8145 3072 8143 3071 8145 3073 8148
      3074 8157 3076 8162 3114 8146 3111 8139
TIME...MOT...LOC 1237Z 204DEG 26KT 3086 8148

$$

SHASHY

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 11:25 PM EDTRiver Flood WarningJAXCamden, Charlton15 days
Jun 25, 1:55 AM EDTAreal Flood AdvisoryJAXCharlton, Ware2 hr
Jun 25, 2:14 AM EDTSpecial Weather StatementJAXCamden46 min
Jun 25, 3:50 AM EDTRip Current StatementJAXCamden, Glynn30 hr
Jun 25, 3:59 AM EDTAreal Flood AdvisoryJAXBrantley, Camden, Charlton, Glynn2 hr
Jun 25, 5:39 AM EDTAreal Flood WarningJAXBrantley, Camden, Charlton, Glynn, Pierce, Wayne6 hr
Jun 25, 6:14 AM EDTSpecial Weather StatementJAXCamden46 min
Jun 25, 6:20 AM EDTTornado WarningJAXCamden, Glynn25 min
Jun 25, 6:47 AM EDTSpecial Weather StatementJAXCamden, Glynn28 min
Jun 25, 7:50 AM EDTSevere Thunderstorm WarningJAXCamden40 min
Jun 25, 8:05 AM EDTTornado WarningJAXCamden20 min
Jun 25, 8:45 AM EDTTornado WarningJAXCamden, Glynn45 min
Jun 25, 9:31 AM EDTSevere Thunderstorm WarningJAXCamden, Glynn22 min
Jun 25, 2:45 PM EDTAreal Flood AdvisoryJAXBacon, Pierce90 min
Jun 25, 2:53 PM EDTSpecial Weather StatementJAXBacon52 min
Jun 25, 3:28 PM EDTAreal Flood AdvisoryJAXAppling, Bacon, Coffee62 min
Jun 25, 3:48 PM EDTSpecial Weather StatementJAXAppling42 min
Jun 25, 4:15 PM EDTAreal Flood AdvisoryJAXEchols90 min
Jun 25, 4:25 PM EDTSpecial Weather StatementJAXClinch35 min
Jun 25, 5:10 PM EDTAreal Flood WarningJAXEchols110 min
Jun 25, 5:44 PM EDTWind AdvisoryJAXEchols17 hr
Jun 25, 6:59 PM EDTAreal Flood WarningJAXClinch, Echols2 hr
Jun 24, 9:23 PM EDTSpecial Weather StatementJAXMarion37 min
Jun 24, 9:31 PM EDTSevere Thunderstorm WarningJAXMarion24 min
Jun 24, 10:29 PM EDTSpecial Weather StatementJAXAlachua, Gilchrist46 min
Jun 24, 10:38 PM EDTAreal Flood WarningJAXAlachua, Gilchrist, Marion, Putnam3 hr
Jun 24, 11:00 PM EDTSpecial Weather StatementJAXMarion45 min
Jun 24, 11:04 PM EDTSpecial Marine WarningJAX56 min
Jun 24, 11:15 PM EDTSpecial Weather StatementJAXMarion45 min
Jun 24, 11:20 PM EDTRiver Flood WarningJAXAlachua, Bradford, Columbia, Gilchrist, Suwannee, Union19 days
Jun 24, 11:40 PM EDTSpecial Weather StatementJAXFlagler50 min
Jun 24, 11:43 PM EDTSpecial Weather StatementJAXAlachua47 min
Jun 24, 11:46 PM EDTSpecial Weather StatementJAXPutnam44 min
Jun 25, 12:26 AM EDTSpecial Weather StatementJAXSaint Johns34 min
Jun 25, 12:31 AM EDTSpecial Weather StatementJAXClay, Putnam44 min
Jun 25, 12:37 AM EDTAreal Flood WarningJAXAlachua, Bradford, Clay, Marion, Putnam, Union3 hr
Jun 25, 12:39 AM EDTSpecial Weather StatementJAXSaint Johns51 min
Jun 25, 12:59 AM EDTSpecial Weather StatementJAXBradford46 min
Jun 25, 1:02 AM EDTSpecial Weather StatementJAXBaker, Duval, Nassau58 min
Jun 25, 2:11 AM EDTSpecial Marine WarningJAX64 min
Jun 25, 2:51 AM EDTSpecial Weather StatementJAXMarion, Putnam39 min
Jun 25, 3:14 AM EDTSpecial Marine WarningJAX91 min
Jun 25, 3:38 AM EDTSpecial Weather StatementJAXMarion, Putnam52 min
Jun 25, 4:12 AM EDTSpecial Weather StatementJAXDuval48 min
Jun 25, 4:17 AM EDTAreal Flood AdvisoryJAXBradford, Clay, Marion, Putnam, Saint Johns118 min
Jun 25, 4:37 AM EDTSpecial Weather StatementJAXMarion53 min
Jun 25, 4:49 AM EDTSpecial Marine WarningJAX116 min
Jun 25, 5:02 AM EDTSpecial Weather StatementJAXDuval43 min
Jun 25, 5:17 AM EDTSpecial Weather StatementJAXNassau43 min
Jun 25, 5:54 AM EDTAreal Flood WarningJAXClay, Duval, Nassau, Saint Johns6 hr
Jun 25, 6:44 AM EDTSpecial Weather StatementJAXDuval46 min
Jun 25, 6:48 AM EDTRiver Flood WarningJAXClay4 days
Jun 25, 6:56 AM EDTSevere Thunderstorm WarningJAXClay, Duval, Nassau, Saint Johns34 min
Jun 25, 7:14 AM EDTSpecial Weather StatementJAXDuval46 min
Jun 25, 7:23 AM EDTSpecial Marine WarningJAX2 hr
Jun 25, 7:30 AM EDTSpecial Weather StatementJAXNassau45 min
Jun 25, 8:40 AM EDTSpecial Marine WarningJAX50 min
Jun 25, 9:27 AM EDTSpecial Marine WarningJAX2 hr
Jun 25, 12:27 PM EDTRiver Flood WarningJAXColumbia, Hamilton15 days
Jun 25, 2:31 PM EDTSpecial Weather StatementJAXGilchrist44 min
Jun 25, 3:15 PM EDTSpecial Weather StatementJAXSuwannee30 min
Jun 25, 3:17 PM EDTSpecial Weather StatementJAXBaker43 min
Jun 25, 4:53 PM EDTSpecial Weather StatementJAXAlachua37 min
Jun 25, 5:09 PM EDTSpecial Weather StatementJAXSaint Johns36 min
Jun 25, 5:34 PM EDTSpecial Weather StatementJAXAlachua26 min
Jun 25, 5:42 PM EDTSpecial Marine WarningJAX63 min
Jun 25, 7:19 PM EDTAreal Flood AdvisoryJAXAlachua, Baker, Bradford, Union86 min

Nearby

Tornado Warnings in Georgia, 2012Tornado Warnings in Florida, 2012Every tornado warning in 2012Tornadoes 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.