Alert archive / Florida / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 113, NWS Tallahassee, FL

June 6, 20114 counties in Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Jun 6, 2011, 10:29 PM CDT for 4 counties in Florida. It was in force for 46 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 6, 2011, 10:29 PM CDT (03:29 UTC)
Expired
Jun 6, 2011, 11:15 PM CDT
In force
46 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon

Counties Bay County, FL, Calhoun County, FL, Jackson County, FL, Washington County, FL

The radar

The Eglin Afb radar (KEVX), 47 km from the middle of the area, began a volume at 03:30 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 6, 10:40 PM CDTTSTM WND DMG3 Nne Singer Road, FLDELAYED REPORT OF TREES DOWN ALONG SILVER LAKE ROAD NEAR THE TOWN OF FOUNTAIN IN NORTHERN BAY COUNTY.

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

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 3.5 hours before the alert went out and 112 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, Tallahassee Rgnl, FL at 00:00Z on 2011-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 976 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 00:00Z on 2011-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.1939Sfc1 km3 km6 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
976 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
1989 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

077 
WUUS52 KTAE 070329
SVRTAE
FLC005-013-063-133-070415-
/O.NEW.KTAE.SV.W.0113.110607T0329Z-110607T0415Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1029 PM CDT MON JUN 6 2011

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN BAY COUNTY IN THE PANHANDLE OF FLORIDA...
  WESTERN CALHOUN COUNTY IN THE PANHANDLE OF FLORIDA...
  SOUTHWESTERN JACKSON COUNTY IN THE PANHANDLE OF FLORIDA...
  SOUTHEASTERN WASHINGTON COUNTY IN THE PANHANDLE OF FLORIDA...

* UNTIL 1115 PM CDT

* AT 1025 PM CDT...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 COMPASS
  LAKE...AND MOVING SOUTHWEST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  BETTS...FOUNTAIN...PORTER LAKE...SINGER ROAD...SAUNDERS...
  GREENHEAD...RIVERSIDE...GAINER SPRING...ECONFINA...YOUNGSTOWN...
  BENNETT...CRYSTAL LAKE...NIXON...CAIRO...CAMP FLOWERS...MAJETTE...
  BAYHEAD...RECOTA BEACH...VICKSBURG AND BAYOU GEORGE

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 3070 8550 3062 8531 3020 8535 3020 8539
      3019 8539 3038 8580
TIME...MOT...LOC 0329Z 025DEG 26KT 3057 8545

$$

42-DVD
1 follow-up statement
583 
WWUS52 KTAE 070343
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1043 PM CDT MON JUN 6 2011

FLC005-013-063-133-070415-
/O.CON.KTAE.SV.W.0113.000000T0000Z-110607T0415Z/
CALHOUN FL-JACKSON FL-BAY FL-WASHINGTON FL-
1043 PM CDT MON JUN 6 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1115 PM CDT
FOR SOUTHEASTERN WASHINGTON...NORTHERN BAY...SOUTHWESTERN JACKSON AND
WESTERN CALHOUN COUNTIES IN THE PANHANDLE OF FLORIDA...

AT 1040 PM CDT...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 PORTER LAKE...MOVING SOUTHWEST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SINGER
ROAD...SAUNDERS...GREENHEAD...RIVERSIDE...GAINER SPRING...ECONFINA...
YOUNGSTOWN...BENNETT...CRYSTAL LAKE...NIXON...CAIRO...CAMP FLOWERS...
MAJETTE...BAYHEAD...RECOTA BEACH...VICKSBURG AND BAYOU GEORGE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RELAY REPORTS OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN
TALLAHASSEE AT (8 5 0) 9 4 2 8 8 3 3. OR...YOU MAY CONTACT THE
NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT.
THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3070 8550 3062 8531 3020 8535 3020 8539
      3019 8539 3038 8580
TIME...MOT...LOC 0343Z 025DEG 26KT 3050 8551

$$

42-DVD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 7:25 PM CDTSpecial Marine WarningTAE65 min
Jun 6, 7:44 PM CDTSpecial Weather StatementTAEBay31 min
Jun 6, 7:45 PM CDTSpecial Marine WarningTAE45 min
Jun 6, 7:50 PM CDTSpecial Weather StatementTAEJefferson40 min
Jun 6, 8:42 PM CDTSpecial Weather StatementTAEJefferson48 min
Jun 6, 9:17 PM CDTSpecial Marine WarningTAE58 min
Jun 6, 9:21 PM CDTSpecial Weather StatementTAEJackson54 min
Jun 6, 9:25 PM CDTSevere Thunderstorm WarningTAEGadsden, Liberty50 min
Jun 6, 9:27 PM CDTSevere Thunderstorm WarningTAEJackson48 min
Jun 6, 9:56 PM CDTSevere Thunderstorm WarningTAEBay, Calhoun, Jackson, Washington49 min
Jun 6, 10:11 PM CDTSpecial Marine WarningTAE2 hr
Jun 6, 10:12 PM CDTSevere Thunderstorm WarningTAECalhoun, Liberty48 min
Jun 6, 10:59 PM CDTSpecial Weather StatementTAECalhoun46 min
Jun 6, 11:11 PM CDTSpecial Marine WarningTAE64 min
Jun 6, 11:26 PM CDTSpecial Weather StatementTAEBay34 min
Jun 6, 11:33 PM CDTSpecial Marine WarningTAE57 min
Jun 7, 12:17 AM CDTDense Smoke AdvisoryTAEGadsden, Jefferson, Leon, Wakulla2 hr
Jun 7, 12:27 AM CDTSpecial Marine WarningTAE71 min
Jun 7, 3:41 AM CDTFire Weather WatchTAECalhoun, Gadsden, Holmes, Jackson, Jefferson, Leon and 1 more11 hr
Jun 7, 1:17 PM CDTSpecial Weather StatementTAEBay43 min
Jun 7, 1:30 PM CDTSpecial Marine WarningTAE45 min
Jun 7, 1:34 PM CDTSevere Thunderstorm WarningTAEBay, Gulf41 min
Jun 7, 2:12 PM CDTSpecial Marine WarningTAE63 min
Jun 7, 2:13 PM CDTSpecial Weather StatementTAEBay47 min
Jun 7, 2:38 PM CDTFire Weather WatchTAEGadsden, Holmes, Jackson, Jefferson, Leon, Madison and 1 more24 hr
Jun 7, 2:38 PM CDTRed Flag WarningTAEBay, Calhoun, Gadsden, Holmes, Jackson, Jefferson and 5 more28 hr
Jun 7, 4:00 PM CDTSpecial Weather StatementTAEJackson45 min

Nearby

Severe Thunderstorm Warnings in Florida, 2011Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.