Alert archive / Florida / Tornado Warnings in 2011

Tornado Warning 24, NWS Tallahassee, FL

April 5, 2011Jefferson County, Leon County, Florida

NWS Tallahassee, FL issued this tornado warning at Apr 5, 2011, 3:33 AM EDT for Jefferson County, Leon County, Florida. It was in force for 16 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: Apr 5, 2011, 3:33 AM EDT (07:33 UTC)
Expired: Apr 5, 2011, 3:49 AM EDT
In force: 16 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon

Counties Jefferson County, FL, Leon County, FL

The radar

The Tallahassee radar (KTLH), 49 km from the middle of the area, began a volume at 07:32 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
Apr 5, 2:41 AM EDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 7.6 hours before the alert went out and 46 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: 1916 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 521 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 189 m²/s²
0-3 km storm-relative helicity: 197 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 9.6

Open this sounding in Storm Lab

The text

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

877 
WFUS52 KTAE 050733
TORTAE
FLC065-073-050800-
/O.NEW.KTAE.TO.W.0024.110405T0733Z-110405T0800Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
333 AM EDT TUE APR 5 2011

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN JEFFERSON COUNTY IN FLORIDA...
  NORTHEAST LEON COUNTY IN FLORIDA...

* UNTIL 400 AM EDT

* AT 326 AM EDT...A DEVELOPING TORNADO HAS BEEN DETECTED BY THE
  NATIONAL WEATHER SERVICE 27 MILES WEST OF MONTICELLO...OR 69 MILES
  WEST OF SUWANNEE RIVER STATION...MOVING EAST AT 70 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  PISGAH CHURCH...MOCCASIN GAP...CONCORD...MICCOSUKEE...LAKE
  MICCOSUKEE...FESTUS...JARROTT...LOIS...ALMA...CASA BLANCO...
  MONTIVILLA AND DILLS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A SMALL INTERIOR ROOM.

&&

LAT...LON 3054 8370 3052 8371 3052 8373 3050 8374
      3050 8433 3058 8433 3066 8388 3066 8373
      3054 8369
TIME...MOT...LOC 0732Z 265DEG 59KT 3053 8420

$$

18-WOOL

1 follow-up statement

561 
WWUS52 KTAE 050749
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
349 AM EDT TUE APR 5 2011

FLC065-073-050759-
/O.CAN.KTAE.TO.W.0024.000000T0000Z-110405T0800Z/
LEON FL-JEFFERSON FL-
349 AM EDT TUE APR 5 2011

...THE TORNADO WARNING FOR NORTHERN JEFFERSON AND EAST CENTRAL LEON
COUNTIES IS CANCELLED...

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 AM EDT TUESDAY MORNING
FOR CENTRAL FLORIDA AND SOUTH CENTRAL GEORGIA.

LAT...LON 3054 8370 3052 8371 3052 8373 3050 8374
      3050 8433 3058 8433 3066 8388 3066 8373
      3054 8369
TIME...MOT...LOC 0749Z 265DEG 59KT 3055 8388

$$

18-WOOL

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 4, 11:59 PM EDT	Severe Thunderstorm Warning	TAE	Holmes, Walton	61 min
Apr 5, 12:22 AM EDT	Special Marine Warning	TAE		113 min
Apr 5, 12:52 AM EDT	Tornado Warning	TAE	Bay, Walton, Washington	38 min
Apr 5, 12:57 AM EDT	Severe Thunderstorm Warning	TAE	Bay, Calhoun, Holmes, Jackson, Walton, Washington	48 min
Apr 5, 1:43 AM EDT	Severe Thunderstorm Warning	TAE	Bay, Calhoun, Gadsden, Gulf, Jackson, Liberty and 1 more	47 min
Apr 5, 2:08 AM EDT	Special Marine Warning	TAE		2 hr
Apr 5, 2:28 AM EDT	Severe Thunderstorm Warning	TAE	Bay, Calhoun, Franklin, Gadsden, Gulf, Jackson and 3 more	47 min
Apr 5, 2:45 AM EDT	Severe Thunderstorm Warning	TAE	Gadsden, Jefferson, Leon	45 min
Apr 5, 2:59 AM EDT	Severe Thunderstorm Warning	TAE	Franklin, Gadsden, Jefferson, Leon, Liberty, Wakulla	46 min
Apr 5, 3:01 AM EDT	Tornado Warning	TAE	Gadsden	29 min
Apr 5, 3:09 AM EDT	Severe Thunderstorm Warning	TAE	Franklin, Gulf, Liberty, Wakulla	51 min
Apr 5, 3:09 AM EDT	Tornado Warning	TAE	Gadsden, Leon, Liberty	36 min
Apr 5, 3:20 AM EDT	Severe Thunderstorm Warning	TAE	Franklin, Gadsden, Gulf, Jefferson, Leon, Liberty and 3 more	55 min
Apr 5, 4:09 AM EDT	Special Marine Warning	TAE		81 min
Apr 5, 4:11 AM EDT	Severe Thunderstorm Warning	TAE	Jefferson, Lafayette, Madison, Taylor, Wakulla	49 min
Apr 5, 4:33 AM EDT	Tornado Warning	TAE	Madison	27 min
Apr 5, 4:54 AM EDT	Severe Thunderstorm Warning	TAE	Dixie, Lafayette, Taylor	66 min
Apr 5, 5:23 AM EDT	Special Marine Warning	TAE		52 min
Apr 5, 5:37 AM EDT	Tornado Warning	TAE	Dixie	38 min
Apr 5, 3:40 PM EDT	Red Flag Warning	TAE	Leon, Wakulla	28 hr

Nearby

Tornado Warnings in Florida, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.