Alert archive / Florida / Tornado Warnings in 2011

Tornado Warning 34, NWS Tallahassee, FL

April 28, 2011Gadsden County, Leon County, Florida

NWS Tallahassee, FL issued this tornado warning at Apr 28, 2011, 8:02 AM EDT for Gadsden County, Leon County, Florida. It was in force for 28 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
Apr 28, 2011, 8:02 AM EDT (12:02 UTC)
Expired
Apr 28, 2011, 8:30 AM EDT
In force
28 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon

Counties Gadsden County, FL, Leon County, FL

The radar

The Tallahassee radar (KTLH), 17 km from the middle of the area, began a volume at 12:04 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 28, 8:20 AM EDTHAIL 1Midway, FLQUARTER TO PING PONG SIZE HAIL REPORTED.

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 12:00Z, 0.0 hours before the alert went out and 20 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 12:00Z on 2011-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3422 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2011-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 210 square meters per square second.19395878Sfc1 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
3422 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
473 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
210 m²/s²
0-3 km storm-relative helicity
208 m²/s²
Significant tornado parameter
3.0
Supercell composite
14.5

Open this sounding in Storm Lab

The text

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

381 
WFUS52 KTAE 281202
TORTAE
FLC039-073-281230-
/O.NEW.KTAE.TO.W.0034.110428T1202Z-110428T1230Z/

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

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN GADSDEN COUNTY IN FLORIDA...
  WESTERN LEON COUNTY IN FLORIDA...

* UNTIL 830 AM EDT

* AT 759 AM EDT...A DEVELOPING TORNADO HAS BEEN DETECTED BY THE
  NATIONAL WEATHER SERVICE NEAR LAKE TALQUIN...OR NEAR BLOXHAM...
  MOVING EAST AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO      
  FORT BRADEN AND MIDWAY

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.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

&&

LAT...LON 3055 8437 3039 8440 3039 8465 3044 8466
TIME...MOT...LOC 1202Z 257DEG 20KT 3042 8461

$$

38-GODSEY
1 follow-up statement
927 
WWUS52 KTAE 281218
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
818 AM EDT THU APR 28 2011

FLC039-073-281230-
/O.CON.KTAE.TO.W.0034.000000T0000Z-110428T1230Z/
LEON FL-GADSDEN FL-
818 AM EDT THU APR 28 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 AM EDT FOR
SOUTHEASTERN GADSDEN AND WESTERN LEON COUNTIES...

AT 816 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR FORT BRADEN...
MOVING EAST AT 25 MPH.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

&&

LAT...LON 3039 8456 3048 8455 3055 8437 3039 8440
TIME...MOT...LOC 1217Z 257DEG 20KT 3043 8451

$$

38-GODSEY

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 4:03 AM EDTSevere Thunderstorm WarningTAEHolmes27 min
Apr 28, 4:27 AM EDTSevere Thunderstorm WarningTAEHolmes, Jackson48 min
Apr 28, 4:31 AM EDTSpecial Marine WarningTAE59 min
Apr 28, 5:22 AM EDTSpecial Weather StatementTAEJackson38 min
Apr 28, 5:51 AM EDTTornado WarningTAEJackson39 min
Apr 28, 7:11 AM EDTSpecial Weather StatementTAEGadsden49 min
Apr 28, 7:45 AM EDTSevere Thunderstorm WarningTAEGadsden, Leon45 min
Apr 28, 8:21 AM EDTSevere Thunderstorm WarningTAELeon39 min
Apr 28, 8:40 AM EDTSevere Thunderstorm WarningTAELeon, Wakulla50 min
Apr 28, 8:56 AM EDTSevere Thunderstorm WarningTAEJefferson, Leon49 min
Apr 28, 9:16 AM EDTTornado WarningTAELeon, Wakulla29 min
Apr 28, 9:30 AM EDTSevere Thunderstorm WarningTAEJefferson, Madison45 min
Apr 28, 9:45 AM EDTSevere Thunderstorm WarningTAEJefferson, Wakulla60 min
Apr 28, 10:03 AM EDTSevere Thunderstorm WarningTAEJefferson42 min
Apr 28, 10:21 AM EDTSpecial Marine WarningTAE54 min
Apr 28, 10:41 AM EDTSevere Thunderstorm WarningTAEJefferson, Madison49 min
Apr 28, 10:46 AM EDTSevere Thunderstorm WarningTAEJefferson, Taylor44 min
Apr 28, 11:30 AM EDTSpecial Weather StatementTAETaylor60 min
Apr 28, 11:31 AM EDTSpecial Weather StatementTAEMadison29 min
Apr 28, 12:29 PM EDTSpecial Weather StatementTAELafayette61 min
Apr 28, 12:39 PM EDTSevere Thunderstorm WarningTAEMadison21 min
Apr 28, 12:46 PM EDTSevere Thunderstorm WarningTAELafayette, Taylor44 min
Apr 28, 12:56 PM EDTTornado WarningTAELafayette34 min
Apr 28, 1:29 PM EDTSevere Thunderstorm WarningTAELafayette31 min
Apr 28, 3:42 PM EDTFire Weather WatchTAEBay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more12 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.