Alert archive / Florida / Tornado Warnings in 2011

Tornado Warning 31, NWS Tallahassee, FL

April 28, 2011Jackson County, Florida; Seminole County, Georgia

NWS Tallahassee, FL issued this tornado warning at Apr 28, 2011, 4:51 AM CDT for Jackson County, Florida; Seminole County, Georgia. It was in force for 39 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: Apr 28, 2011, 4:51 AM CDT (09:51 UTC)
Expired: Apr 28, 2011, 5:30 AM CDT
In force: 39 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon

Counties Jackson County, FL, Seminole County, GA

The radar

The Tallahassee radar (KTLH), 77 km from the middle of the area, began a volume at 09:55 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
Apr 28, 4:52 AM CDT	TSTM WND DMG	Marianna Municipal A/P, FL	POSSIBLE TORNADO CAUSED DAMAGE TO THE MARIANNA MUNICIPAL AIRPORT. ROOF REPORTED RIPPED OFF HOUSE NEARBY.
Apr 28, 4:52 AM CDT	TORNADO 1	Marianna Municipal A/P, FL	CONFIRMED EF-1 TORNADO AT THE MARIANNA MUNICIPAL AIRPORT. DAMAGE TO SEVERAL PLANES AT THE FIELD AND SEVERAL TREES SNAPPED. DAMAGE PATH INTERMITTENT FOR 3 MILES WITH A MAXIMUM PATH WIDTH OF 150 YARDS.
Apr 28, 4:52 AM CDT	TORNADO	Marianna Municipal A/P, FL	7 AIRCRAFT DAMAGED OR DESTROYED. SEVERAL NEARBY HOMES RECEIVED DAMAGE AS WELL.
Apr 28, 5:07 AM CDT	TORNADO	Dellwood, FL

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, 9.9 hours before the alert went out and 79 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: 3101 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 607 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 80 m²/s²
0-3 km storm-relative helicity: 161 m²/s²
Significant tornado parameter: 1.9
Supercell composite: 13.8

Open this sounding in Storm Lab

The text

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

968 
WFUS52 KTAE 280951
TORTAE
FLC063-GAC253-281030-
/O.NEW.KTAE.TO.W.0031.110428T0951Z-110428T1030Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
451 AM CDT THU APR 28 2011

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL JACKSON COUNTY IN THE PANHANDLE OF FLORIDA...
  SOUTHERN SEMINOLE COUNTY IN SOUTHWEST GEORGIA...

* UNTIL 530 AM CDT/630 AM EDT/

* AT 449 AM CDT...A DEVELOPING TORNADO HAS BEEN DETECTED BY THE
  NATIONAL WEATHER SERVICE 6 MILES NORTHEAST OF MARIANNA...OR NEAR
  MARIANNA MUNICIPAL A/P...MOVING EAST AT 30 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BLUE
  SPRING...BASCOM...TWO EGG...DELLWOOD...LOVEDALE...BUENA VISTA...
  HAYNES...FAIRCHILD...DRAKES STILL...SEMINOLE STATE PARK...LAKE
  SEMINOLE AND DESSER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! LEAVE MOBILE HOMES AND VEHICLES FOR SAFER STRUCTURES.
MOVE TO A HALLWAY OR CLOSET ON THE LOWEST FLOOR AWAY FROM WINDOWS AND
OUTSIDE WALLS.

&&

LAT...LON 3093 8526 3093 8479 3080 8480 3077 8482
      3076 8485 3076 8486 3071 8486 3075 8527
TIME...MOT...LOC 0951Z 273DEG 24KT 3084 8516

$$

42-DVD

2 follow-up statements

265 
WWUS52 KTAE 281004
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
504 AM CDT THU APR 28 2011

FLC063-GAC253-281030-
/O.CON.KTAE.TO.W.0031.000000T0000Z-110428T1030Z/
JACKSON FL-SEMINOLE GA-
504 AM CDT THU APR 28 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 AM CDT/630 AM EDT/
FOR SOUTHERN SEMINOLE AND EASTERN JACKSON COUNTIES...

AT 500 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR TWO EGG...OR 8 
MILES NORTHEAST OF MARIANNA...MOVING EAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
LOVEDALE...BUENA VISTA...HAYNES...FAIRCHILD...DRAKES STILL...SEMINOLE
STATE PARK...LAKE SEMINOLE AND DESSER

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 3080 8480 3077 8482 3078 8483 3076 8485
      3076 8486 3071 8486 3073 8512 3092 8512
      3093 8481
TIME...MOT...LOC 1004Z 273DEG 24KT 3083 8506

$$

42-DVD

454 
WWUS52 KTAE 281014
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
514 AM CDT THU APR 28 2011

FLC063-GAC253-281030-
/O.CON.KTAE.TO.W.0031.000000T0000Z-110428T1030Z/
JACKSON FL-SEMINOLE GA-
514 AM CDT THU APR 28 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 AM CDT/630 AM EDT/
FOR SOUTHERN SEMINOLE AND EASTERN JACKSON COUNTIES...

AT 512 AM CDT...DELLWOOD FIRE AND RESCUE REPORTED A TORNADO.  
THIS TORNADO WAS LOCATED NEAR DELLWOOD...MOVING EAST AT 20 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
HAYNES...DRAKES STILL...LAKE SEMINOLE...SEMINOLE STATE PARK...
FAIRCHILD AND DESSER

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

&&

LAT...LON 3080 8480 3077 8482 3078 8483 3076 8485
      3076 8486 3071 8486 3073 8512 3092 8512
      3093 8481
TIME...MOT...LOC 1014Z 275DEG 17KT 3084 8500

$$

42-DVD

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 3:03 AM CDT	Severe Thunderstorm Warning	TAE	Holmes	27 min
Apr 28, 3:27 AM CDT	Severe Thunderstorm Warning	TAE	Holmes, Jackson	48 min
Apr 28, 3:31 AM CDT	Special Marine Warning	TAE		59 min
Apr 28, 4:22 AM CDT	Special Weather Statement	TAE	Jackson	38 min
Apr 28, 6:11 AM CDT	Special Weather Statement	TAE	Gadsden	49 min
Apr 28, 6:45 AM CDT	Severe Thunderstorm Warning	TAE	Gadsden, Leon	45 min
Apr 28, 7:02 AM CDT	Tornado Warning	TAE	Gadsden, Leon	28 min
Apr 28, 7:21 AM CDT	Severe Thunderstorm Warning	TAE	Leon	39 min
Apr 28, 7:40 AM CDT	Severe Thunderstorm Warning	TAE	Leon, Wakulla	50 min
Apr 28, 7:56 AM CDT	Severe Thunderstorm Warning	TAE	Jefferson, Leon	49 min
Apr 28, 8:16 AM CDT	Tornado Warning	TAE	Leon, Wakulla	29 min
Apr 28, 8:30 AM CDT	Severe Thunderstorm Warning	TAE	Jefferson, Madison	45 min
Apr 28, 8:45 AM CDT	Severe Thunderstorm Warning	TAE	Jefferson, Wakulla	60 min
Apr 28, 9:03 AM CDT	Severe Thunderstorm Warning	TAE	Jefferson	42 min
Apr 28, 9:21 AM CDT	Special Marine Warning	TAE		54 min
Apr 28, 9:41 AM CDT	Severe Thunderstorm Warning	TAE	Jefferson, Madison	49 min
Apr 28, 9:46 AM CDT	Severe Thunderstorm Warning	TAE	Jefferson, Taylor	44 min
Apr 28, 10:30 AM CDT	Special Weather Statement	TAE	Taylor	60 min
Apr 28, 10:31 AM CDT	Special Weather Statement	TAE	Madison	29 min
Apr 28, 11:29 AM CDT	Special Weather Statement	TAE	Lafayette	61 min
Apr 28, 11:39 AM CDT	Severe Thunderstorm Warning	TAE	Madison	21 min
Apr 28, 11:46 AM CDT	Severe Thunderstorm Warning	TAE	Lafayette, Taylor	44 min
Apr 28, 11:56 AM CDT	Tornado Warning	TAE	Lafayette	34 min
Apr 28, 12:29 PM CDT	Severe Thunderstorm Warning	TAE	Lafayette	31 min
Apr 28, 2:42 PM CDT	Fire Weather Watch	TAE	Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more	12 hr
Apr 28, 5:26 AM CDT	Tornado Warning	TAE	Decatur, Seminole	34 min
Apr 28, 5:56 AM CDT	Tornado Warning	TAE	Decatur	49 min
Apr 28, 6:06 AM CDT	Special Weather Statement	TAE	Colquitt, Thomas	39 min
Apr 28, 6:49 AM CDT	Special Weather Statement	TAE	Thomas	41 min
Apr 28, 6:58 AM CDT	Severe Thunderstorm Warning	TAE	Brooks, Colquitt, Thomas	47 min
Apr 28, 7:19 AM CDT	Severe Thunderstorm Warning	TAE	Calhoun, Dougherty, Lee, Terrell, Turner, Worth	41 min
Apr 28, 8:13 AM CDT	Severe Thunderstorm Warning	TAE	Brooks, Lowndes	47 min
Apr 28, 8:22 AM CDT	Tornado Warning	TAE	Lowndes	23 min
Apr 28, 9:14 AM CDT	Severe Thunderstorm Warning	TAE	Brooks, Lanier, Lowndes	61 min
Apr 28, 9:20 AM CDT	Severe Thunderstorm Warning	TAE	Colquitt, Cook, Grady, Mitchell, Thomas, Tift and 1 more	40 min
Apr 28, 10:13 AM CDT	Severe Thunderstorm Warning	TAE	Lanier, Lowndes	32 min

Nearby

Tornado Warnings in Florida, 2011 Tornado Warnings in Georgia, 2011 Every tornado warning in 2011 Tornadoes 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.