Alert archive / Florida / Tornado Warnings in 2011

Tornado Warning 27, NWS Tallahassee, FL

April 5, 2011Dixie County, Florida

NWS Tallahassee, FL issued this tornado warning at Apr 5, 2011, 5:37 AM EDT for Dixie County, Florida. It was in force for 38 min. 6 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 5, 2011, 5:37 AM EDT (09:37 UTC)
Expired
Apr 5, 2011, 6:15 AM EDT
In force
38 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon

County Dixie County, FL

The radar

The Tallahassee radar (KTLH), 152 km from the middle of the area, began a volume at 09:38 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
Apr 5, 5:45 AM EDTTSTM WND DMGCross City Airport, FLTREES AND POWERLINES DOWN COUNTYWIDE.
Apr 5, 5:48 AM EDTTSTM WND GST 40Cross City Airport, FL
Apr 5, 5:55 AM EDTTSTM WND DMGCross City Airport, FLNUMEROUS TREES DOWN. NUMEROUS REPORTS OF ROOF DAMAGE. MANY POWER POLES DOWN. ACE HARDWARE IN CROSS CITY MISSING PART OF ROOF.
Apr 5, 5:55 AM EDTTSTM WND DMGOld Town, FL75 TO 100 TREES DOWN COUNTY WIDE. MOBILE HOME ROOF DAMAGED BY TREE 123 NE 331 AVE. TREES AND POWERLINES DOWN 754TH ST AND 746TH, TICK ROAD, NE 349 AND 298 AVE, NE 303 LANE, AND 349 AND SUWANNEE RD NEAR NE 312TH.
Apr 5, 6:05 AM EDTTSTM WND DMGCross City, FLTREES AND POWERLINES DOWN COUNTYWIDE.
Apr 5, 6:10 AM EDTTSTM WND DMG2 N Suwannee, FL5 LARGE TREES DOWN ON HWY 349 NORTH OF WILLOW HOLE.

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

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 5, 2:41 AM EDTTornado WatchSPC6 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 9.6 hours before the alert went out and 150 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 2011-04-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1916 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 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 2011-04-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 189 square meters per square second.193958Sfc1 km3 km6 km9 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
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.

164 
WFUS52 KTAE 050937
TORTAE
FLC029-051015-
/O.NEW.KTAE.TO.W.0027.110405T0937Z-110405T1015Z/

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

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  DIXIE COUNTY IN FLORIDA...

* UNTIL 615 AM EDT

* AT 532 AM EDT...A DEVELOPING TORNADO HAS BEEN DETECTED BY THE
  NATIONAL WEATHER SERVICE 14 MILES WEST OF CROSS CITY...OR 29 MILES
  WEST OF CHIEFLAND...MOVING EAST AT 60 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  HINES...SHAMROCK...CROSS CITY AIRPORT...EUGENE...YELLOW JACKET...
  OLD TOWN AND FLETCHER.

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.

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 2931 8318 2942 8324 2942 8329 2947 8332
      2950 8341 2965 8342 2982 8306 2983 8291
      2983 8290 2982 8293 2963 8296 2959 8293
      2954 8297 2946 8298 2935 8306 2931 8312
      2932 8314 2930 8315
TIME...MOT...LOC 0937Z 252DEG 52KT 2959 8325

$$

42-DVD

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 4, 11:59 PM EDTSevere Thunderstorm WarningTAEHolmes, Walton61 min
Apr 5, 12:22 AM EDTSpecial Marine WarningTAE113 min
Apr 5, 12:52 AM EDTTornado WarningTAEBay, Walton, Washington38 min
Apr 5, 12:57 AM EDTSevere Thunderstorm WarningTAEBay, Calhoun, Holmes, Jackson, Walton, Washington48 min
Apr 5, 1:43 AM EDTSevere Thunderstorm WarningTAEBay, Calhoun, Gadsden, Gulf, Jackson, Liberty and 1 more47 min
Apr 5, 2:08 AM EDTSpecial Marine WarningTAE2 hr
Apr 5, 2:28 AM EDTSevere Thunderstorm WarningTAEBay, Calhoun, Franklin, Gadsden, Gulf, Jackson and 3 more47 min
Apr 5, 2:45 AM EDTSevere Thunderstorm WarningTAEGadsden, Jefferson, Leon45 min
Apr 5, 2:59 AM EDTSevere Thunderstorm WarningTAEFranklin, Gadsden, Jefferson, Leon, Liberty, Wakulla46 min
Apr 5, 3:01 AM EDTTornado WarningTAEGadsden29 min
Apr 5, 3:09 AM EDTSevere Thunderstorm WarningTAEFranklin, Gulf, Liberty, Wakulla51 min
Apr 5, 3:09 AM EDTTornado WarningTAEGadsden, Leon, Liberty36 min
Apr 5, 3:20 AM EDTSevere Thunderstorm WarningTAEFranklin, Gadsden, Gulf, Jefferson, Leon, Liberty and 3 more55 min
Apr 5, 3:33 AM EDTTornado WarningTAEJefferson, Leon16 min
Apr 5, 4:09 AM EDTSpecial Marine WarningTAE81 min
Apr 5, 4:11 AM EDTSevere Thunderstorm WarningTAEJefferson, Lafayette, Madison, Taylor, Wakulla49 min
Apr 5, 4:33 AM EDTTornado WarningTAEMadison27 min
Apr 5, 4:54 AM EDTSevere Thunderstorm WarningTAEDixie, Lafayette, Taylor66 min
Apr 5, 5:23 AM EDTSpecial Marine WarningTAE52 min
Apr 5, 3:40 PM EDTRed Flag WarningTAELeon, Wakulla28 hr

Nearby

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