Alert archive / Georgia / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 129, NWS Tallahassee, FL

June 8, 2014Decatur County, Grady County, Seminole County, Georgia; Gadsden County, Jackson County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Jun 8, 2014, 7:29 PM EDT for Decatur County, Grady County, Seminole County, Georgia; Gadsden County, Jackson County, Florida. It was in force for 46 min. 4 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: Jun 8, 2014, 7:29 PM EDT (23:29 UTC)
Expired: Jun 8, 2014, 8:15 PM EDT
In force: 46 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon

Counties Gadsden County, FL, Jackson County, FL, Decatur County, GA, Grady County, GA, Seminole County, GA

The radar

The Tallahassee radar (KTLH), 43 km from the middle of the area, began a volume at 23:31 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
Jun 8, 7:29 PM EDT	TSTM WND DMG	5 N Chattahoochee, GA	TREE DOWN ON SEMINOLE SHORES DRIVE.
Jun 8, 7:49 PM EDT	TSTM WND DMG	1 Nne Quincy, FL	TREE DOWN ON C AND E FARM ROAD.
Jun 8, 7:49 PM EDT	TSTM WND DMG	3 Nne Amsterdam, GA	TREES DOWN ON STATE ROAD 262.
Jun 8, 7:54 PM EDT	TSTM WND DMG	4 Ene Quincy, FL	TREE DOWN ON POST PLANT ROAD.

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

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 4 storm reports to this severe thunderstorm warning; the first came 0 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 8, 2:49 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 11.5 hours before the alert went out and 45 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: 659 J/kg
Mixed-layer CIN: -132 J/kg
Mixed-layer LCL: 924 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 20 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.8

Open this sounding in Storm Lab

The text

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

976 
WUUS52 KTAE 082329
SVRTAE
FLC039-063-GAC087-131-253-090015-
/O.NEW.KTAE.SV.W.0129.140608T2329Z-140609T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
729 PM EDT SUN JUN 8 2014

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GADSDEN COUNTY IN FLORIDA...
  EASTERN JACKSON COUNTY IN THE PANHANDLE OF FLORIDA...
  THIS INCLUDES THE CITY OF MARIANNA...
  DECATUR COUNTY IN SOUTHWEST GEORGIA...
  THIS INCLUDES THE CITY OF BAINBRIDGE...
  SOUTHWESTERN GRADY COUNTY IN SOUTHWEST GEORGIA...
  SEMINOLE COUNTY IN SOUTHWEST GEORGIA...
  THIS INCLUDES THE CITY OF DONALSONVILLE...

* UNTIL 815 PM EDT/715 PM CDT/

* AT 726 PM EDT/626 PM CDT/...THE NATIONAL WEATHER SERVICE HAS
  DETECTED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED
  ALONG A LINE EXTENDING FROM 8 MILES WEST OF WEST BAINBRIDGE TO 6
  MILES NORTHEAST OF CHATTAHOOCHEE TO 13 MILES WEST OF               
  CHATTAHOOCHEE...AND MOVING SOUTHEAST AT 45 MPH. THESE STORMS HAVE  
  HAD A HISTORY OF PRODUCING DAMAGE.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  QUINCY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE IMMEDIATELY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS UNTIL
THIS STORM PASSES.

&&

LAT...LON 3098 8454 3084 8427 3064 8430 3057 8438
      3047 8441 3046 8450 3040 8464 3044 8471
      3046 8471 3047 8478 3052 8478 3054 8488
      3061 8489 3061 8500 3080 8528 3106 8490
TIME...MOT...LOC 2329Z 305DEG 38KT 3091 8469 3073 8473
          3064 8503

$$

15-HARRIGAN

2 follow-up statements

637 
WWUS52 KTAE 082351
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
751 PM EDT SUN JUN 8 2014

FLC063-GAC253-090002-
/O.CAN.KTAE.SV.W.0129.000000T0000Z-140609T0015Z/
SEMINOLE GA-JACKSON FL-
651 PM CDT SUN JUN 8 2014

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN JACKSON AND SEMINOLE
COUNTIES IS CANCELLED...

LAT...LON 3081 8429 3080 8427 3070 8429 3067 8431
      3064 8430 3058 8439 3047 8442 3046 8450
      3047 8463 3061 8489 3070 8486 3076 8486
      3080 8479 3091 8474
TIME...MOT...LOC 2352Z 305DEG 38KT 3077 8446 3059 8450
          3050 8480

$$

FLC039-GAC087-131-090015-
/O.CON.KTAE.SV.W.0129.000000T0000Z-140609T0015Z/
GRADY GA-DECATUR GA-GADSDEN FL-
751 PM EDT SUN JUN 8 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR GADSDEN...SOUTHERN DECATUR AND SOUTHWESTERN GRADY COUNTIES...

AT 749 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS.  THESE STORMS WERE LOCATED 
ALONG A LINE EXTENDING FROM ATTAPULGUS TO LITTMAN TO 
SYCAMORE...MOVING SOUTHEAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SHADY
REST...FLORENCE...JAMIESON...AMSTERDAM...FREEMONT...NICKLEVILLE...
HINSON...SCOTLAND...HAVANA...WETUMPKA...DARSEY...CALVARY...GIBSON...
RENO...CONCORD AND MIDWAY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE IMMEDIATELY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS UNTIL
THIS STORM PASSES.

&&

LAT...LON 3081 8429 3080 8427 3070 8429 3067 8431
      3064 8430 3058 8439 3047 8442 3046 8450
      3047 8463 3061 8489 3070 8486 3076 8486
      3080 8479 3091 8474
TIME...MOT...LOC 2352Z 305DEG 38KT 3077 8446 3059 8450
          3050 8480

$$

15-HARRIGAN

472 
WWUS52 KTAE 090005
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
805 PM EDT SUN JUN 8 2014

FLC039-GAC087-131-090016-
/O.EXP.KTAE.SV.W.0129.000000T0000Z-140609T0015Z/
GRADY GA-DECATUR GA-GADSDEN FL-
805 PM EDT SUN JUN 8 2014

...THE SEVERE THUNDERSTORM WARNING FOR GADSDEN...SOUTHERN DECATUR AND
SOUTHWESTERN GRADY COUNTIES WILL EXPIRE AT 815 PM EDT...

LAT...LON 3081 8429 3080 8427 3070 8429 3067 8431
      3064 8430 3058 8439 3047 8442 3046 8450
      3047 8463 3061 8489 3070 8486 3076 8486
      3080 8479 3091 8474
TIME...MOT...LOC 0006Z 305DEG 38KT 3068 8432 3050 8436
          3042 8466

$$

15-HARRIGAN

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tallahassee, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 8, 3:24 PM EDT, 4 hours 5 minutes earlier.

Area forecast discussion, Jun 8, 3:24 PM EDT, 4 hours 5 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TALLAHASSEE FL
324 PM EDT Sun Jun 8 2014

.Near Term [Through Tonight]...
Storms will continue to develop and increase in intensity this
afternoon. Modified KTAE sounding yields very high surface based
instability in excess of 3500 J/kg. SPC mesoanalysis shows this
number as high as 5000 J/kg. In addition to the sea breeze front,
residual outflow boundaries will serve as triggers for additional
convection. SPC has issued a severe thunderstorm watch for most of
the area through 10 pm ET. Damaging winds and hail will be the
primary threats. Although we are missing some of the most recent
CAM runs, the most recently available data keep the upstream MCS
over Arkansas north of the region overnight.

.Short Term [Monday Through Tuesday Night]...
Weak ridging and somewhat drier air will build into the region
by Monday from the SW and result in a break of the afternoon
thunderstorms that we've been seeing the past few days. Expect
Monday to be mostly sunny with highs in the mid 90s, with a few
locations reaching the upper 90s. Heat indicies should generally
stay in the lower 100s as afternoon dewpoints should benefit from
the drier air mixing in, keeping these values in the mid to upper
60s.

A similar pattern for Tuesday is expected, though the ridging
will become less established late in the day as a mid level trough
begins to approach from the west. The drier air though should be
the primary limiting factor to afternoon convection. Temperatures
will still be warm in the mid 90s most sites.

.Long Term [Wednesday Through Sunday]...
The long term will be an active period for our region as the
longwave pattern features a strong Atlantic ridge to our east, and
and a strong ridge over Mexico. As is the case in this regime the
forecast area will be under deep layer south to southwesterly flow
on the east side of an upper level trough. Through the period, this
trough will slowly slide east through the area. The abundant
moisture, in addition to good instability and the seabreeze, will
lead to above average rainfall through at least Friday evening.
After Friday, the models begin to diverge with the GFS trying to dry
things out and the Euro keeping conditions near climatology for our
area. Decided to choose the Euro solution and this will keep our
POPs elevated through Sunday night.

&&

.Aviation...
[Through 18Z Monday] Scattered convection will continue to
develop this afternoon and any of the terminals could experience a
thunderstorm. MVFR conditions are expected with any convection,
although a brief period of IFR cannot be ruled out in heavier
showers. MVFR ceilings are expected to develop during the pre-dawn
hours.

&&

.Marine...
Outside of the daily sea breeze circulation, winds and seas will
remain low through the forecast period. The sea breeze on Monday
may be a bit stronger than usual with winds around 15 knots near
the coast.

&&

.Fire Weather...
Red Flag conditions are not expected this week.

&&

.Hydrology...
Localized rainfall will continue to be possible with the storms
through this afternoon, especially those that remain near the sea
breeze boundary. While these individual storms may briefly
present a minor flood threat from high rainfall rates, widespread
flooding is not anticipated. Area rivers have shown some minor
rises with the recent rainfall, though all points are expected to
remain well below flood stage.

&&

.Preliminary Point Temps/PoPs...

Tallahassee   72  95  72  94  71 /  20  20  10  20  10
Panama City   75  90  75  89  73 /  10  20  10  10  10
Dothan        72  96  72  93  72 /  30  30  20  20  10
Albany        72  95  72  95  71 /  30  30  20  20  10
Valdosta      70  96  70  95  71 /  30  30  20  20  10
Cross City    71  94  70  92  70 /  20  20  10  20  10
Apalachicola  74  88  74  85  73 /  10  20  10  10  10

&&

.TAE Watches/Warnings/Advisories...

FL...None.
GA...None.
AL...None.
GM...None.

&&

NEAR TERM...WOOL
SHORT TERM...GODSEY
LONG TERM...GODSEY
AVIATION...WOOL
MARINE...GODSEY
FIRE WEATHER...WOOL
HYDROLOGY...GODSEY

In the hours before

Local storm report, Jun 8, 4:22 PM EDT, 3 hours 7 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
422 PM EDT SUN JUN 08 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0350 PM     TSTM WND DMG     1 SW QUINCY AIRPORT     30.59N 84.57W
06/08/2014                   GADSDEN            FL   911 CALL CENTER

            SEVERAL TREES FELL THROUGHOUT QUINCY. ONE TREE CAUGHT ON
            FIRE AS IT STRUCK A POWER LINE.

&&

MCDERMOT

Local storm report, Jun 8, 5:24 PM EDT, 2 hours 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
524 PM EDT SUN JUN 08 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0510 PM     TSTM WND DMG     ELBA                    31.41N 86.07W
06/08/2014                   COFFEE             AL   911 CALL CENTER

            TREES AND POWER LINES DOWN

&&

MCDERMOT

Local storm report, Jun 8, 5:39 PM EDT, 1 hour 50 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
539 PM EDT SUN JUN 08 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0429 PM     LIGHTNING        1 SE TALLAHASSEE        30.43N 84.27W
06/08/2014                   LEON               FL   COUNTY OFFICIAL

            THREE STRUCTURE FIRES DUE TO LIGHTNING. THEIR LOCATIONS
            INCLUDE BROOME ST...SHADOWMOSS DR...AND WEST PENSACOLA
            STREET.

&&

HARRIGAN

Local storm report, Jun 8, 6:04 PM EDT, 1 hour 25 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
604 PM EDT SUN JUN 08 2014

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0545 PM     TSTM WND DMG     3 W GREENVILLE          30.47N 83.69W
06/08/2014                   MADISON            FL   EMERGENCY MNGR

            TREES DOWN

&&

MCDERMOT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 8, 3:10 AM EDT	Special Weather Statement	TAE	Calhoun, Clay, Lee, Quitman, Randolph, Terrell	50 min
Jun 8, 4:34 AM EDT	Special Weather Statement	TAE	Baker, Ben Hill, Berrien, Colquitt, Cook, Irwin and 4 more	56 min
Jun 8, 5:32 AM EDT	Special Weather Statement	TAE	Brooks, Cook, Grady, Lanier, Lowndes, Thomas and 1 more	58 min
Jun 8, 4:00 PM EDT	Severe Thunderstorm Warning	TAE	Clay, Quitman, Randolph	45 min
Jun 8, 6:03 PM EDT	Severe Thunderstorm Warning	TAE	Baker, Decatur, Grady, Mitchell, Thomas	42 min
Jun 8, 6:14 PM EDT	Severe Thunderstorm Warning	TAE	Baker, Decatur, Early, Miller, Seminole	46 min
Jun 8, 6:38 PM EDT	Severe Thunderstorm Warning	TAE	Seminole	52 min
Jun 8, 6:42 PM EDT	Severe Thunderstorm Warning	TAE	Grady	16 min
Jun 8, 6:59 PM EDT	Severe Thunderstorm Warning	TAE	Decatur, Early, Seminole	31 min
Jun 8, 7:37 PM EDT	Special Weather Statement	TAE	Ben Hill	53 min
Jun 8, 3:31 PM EDT	Severe Thunderstorm Warning	TAE	Gadsden, Leon	44 min
Jun 8, 3:51 PM EDT	Severe Thunderstorm Warning	TAE	Gadsden, Leon, Wakulla	39 min
Jun 8, 4:28 PM EDT	Severe Thunderstorm Warning	TAE	Jefferson, Leon, Wakulla	47 min
Jun 8, 4:52 PM EDT	Severe Thunderstorm Warning	TAE	Jefferson, Wakulla	38 min
Jun 8, 5:10 PM EDT	Severe Thunderstorm Warning	TAE	Jefferson, Leon, Wakulla	50 min
Jun 8, 5:33 PM EDT	Special Marine Warning	TAE		57 min
Jun 8, 5:36 PM EDT	Severe Thunderstorm Warning	TAE	Walton	39 min
Jun 8, 5:40 PM EDT	Severe Thunderstorm Warning	TAE	Holmes	50 min
Jun 8, 5:43 PM EDT	Severe Thunderstorm Warning	TAE	Jefferson, Madison	47 min
Jun 8, 6:07 PM EDT	Severe Thunderstorm Warning	TAE	Walton	38 min
Jun 8, 6:19 PM EDT	Severe Thunderstorm Warning	TAE	Holmes, Jackson, Walton	41 min
Jun 8, 7:04 PM EDT	Severe Thunderstorm Warning	TAE	Lafayette	26 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2014 Severe Thunderstorm Warnings in Florida, 2014 Every severe thunderstorm warning in 2014

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.