Alert archive / Florida / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 101, NWS Tallahassee, FL

June 6, 2011Dixie County, Lafayette County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Jun 6, 2011, 4:40 PM EDT for Dixie County, Lafayette County, Florida. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 6, 2011, 4:40 PM EDT (20:40 UTC)
Expired: Jun 6, 2011, 5:30 PM EDT
In force: 50 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon

Counties Dixie County, FL, Lafayette County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 8.7 hours before the alert went out and 139 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: 2417 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 1242 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 14 m²/s²
0-3 km storm-relative helicity: 33 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.

083 
WUUS52 KTAE 062040
SVRTAE
FLC029-067-062130-
/O.NEW.KTAE.SV.W.0101.110606T2040Z-110606T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
440 PM EDT MON JUN 6 2011

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN DIXIE COUNTY IN FLORIDA...
  EASTERN LAFAYETTE COUNTY IN FLORIDA...

* UNTIL 530 PM EDT

* AT 434 PM EDT...THE NATIONAL WEATHER SERVICE HAS DETECTED A SEVERE
  THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING
  WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR HATCH BEND.
  THIS STORM WAS NEARLY STATIONARY.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY!

&&

LAT...LON 2983 8288 2982 8293 2979 8292 2977 8294
      2971 8294 2969 8296 2968 8315 3010 8318
      3011 8316 3011 8312 3006 8304 2995 8292
      2991 8291 2988 8287
TIME...MOT...LOC 2040Z 351DEG 2KT 2983 8300

$$

42-DVD

1 follow-up statement

633 
WWUS52 KTAE 062101
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
501 PM EDT MON JUN 6 2011

FLC029-067-062130-
/O.CON.KTAE.SV.W.0101.000000T0000Z-110606T2130Z/
LAFAYETTE FL-DIXIE FL-
501 PM EDT MON JUN 6 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR NORTHEASTERN DIXIE AND EASTERN LAFAYETTE COUNTIES...

AT 459 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR MIDWAY...MOVING SOUTHWEST AT 10 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
FLETCHER

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 3011 8316 3011 8312 3006 8304 2989 8297
      2969 8296 2968 8315 3010 8318
TIME...MOT...LOC 2101Z 034DEG 10KT 2995 8314

$$

42-DVD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 5, 8:02 PM EDT	Special Weather Statement	TAE	Leon	28 min
Jun 5, 8:12 PM EDT	Special Weather Statement	TAE	Leon	33 min
Jun 5, 8:40 PM EDT	Special Weather Statement	TAE	Leon	50 min
Jun 6, 4:15 AM EDT	Red Flag Warning	TAE	Bay, Calhoun, Holmes, Jackson, Walton, Washington	15 hr
Jun 6, 4:22 PM EDT	Special Weather Statement	TAE	Gilchrist	38 min
Jun 6, 4:29 PM EDT	Special Weather Statement	TAE	Liberty	31 min
Jun 6, 4:37 PM EDT	Special Weather Statement	TAE	Taylor	38 min
Jun 6, 4:56 PM EDT	Severe Thunderstorm Warning	TAE	Taylor	49 min
Jun 6, 5:03 PM EDT	Severe Thunderstorm Warning	TAE	Lafayette	42 min
Jun 6, 5:36 PM EDT	Severe Thunderstorm Warning	TAE	Dixie, Lafayette, Taylor	39 min
Jun 6, 5:54 PM EDT	Severe Thunderstorm Warning	TAE	Taylor	36 min
Jun 6, 6:26 PM EDT	Severe Thunderstorm Warning	TAE	Taylor	34 min
Jun 6, 7:13 PM EDT	Special Marine Warning	TAE		62 min

Nearby

Severe Thunderstorm Warnings in Florida, 2011 Every severe thunderstorm warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.