Alert archive / Florida / Tornado Warnings in 2009

Tornado Warning 77, NWS Tallahassee, FL

April 13, 2009Gadsden County, Leon County, Liberty County, Florida

NWS Tallahassee, FL issued this tornado warning at Apr 13, 2009, 3:15 PM EDT for Gadsden County, Leon County, Liberty County, Florida. It was in force for 45 min. 2 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 13, 2009, 3:15 PM EDT (19:15 UTC)
Expired
Apr 13, 2009, 4:00 PM EDT
In force
45 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon

Counties Gadsden County, FL, Leon County, FL, Liberty County, FL

The radar

The Tallahassee radar (KTLH), 9 km from the middle of the area, began a volume at 19:17 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 13, 3:50 PM EDTHAIL 1Lake Jackson, FLQUARTER SIZE HAIL REPORTED AT THE INTERSECTION OF OLD BAINBRIDGE ROAD AND U.S. HIGHWAY 27.
Apr 13, 3:55 PM EDTTSTM WND DMGTallahassee, FLTWO 18 TO 24 INCH DIAMETER TREES UPROOTED AT CEMETARY ON BRONOUGH ST NEAR GOVERNOR MANSION.

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 13, 10:12 AM EDTTornado WatchSPC9 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.3 hours before the alert went out and 7 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 2009-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 138 joules per kilogram.LCLLFCEL10008507005003002001001 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 2009-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 391 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
138 J/kg
Mixed-layer CIN
-213 J/kg
Mixed-layer LCL
619 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
391 m²/s²
0-3 km storm-relative helicity
472 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

Open this sounding in Storm Lab

The text

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

000 
WFUS52 KTAE 131915
TORTAE
FLC039-073-077-132000-
/O.NEW.KTAE.TO.W.0077.090413T1915Z-090413T2000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
315 PM EDT MON APR 13 2009

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN GADSDEN COUNTY IN FLORIDA...
  CENTRAL LEON COUNTY IN FLORIDA...
  THIS INCLUDES THE CITY OF TALLAHASSEE...
  EXTREME EAST CENTRAL LIBERTY COUNTY IN FLORIDA...

* UNTIL 400 PM EDT

* AT 311 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 20 MILES WEST OF TALLAHASSEE...MOVING EAST AT 30
  MPH.

* THE TORNADO WILL BE NEAR...
  TALLAHASSEE BY 335 PM EDT...

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

IF YOU ARE IN THE PATH OF THIS STORM TAKE COVER IMMEDIATELY

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 3049 8412 3043 8413 3033 8415 3034 8469
      3056 8463 3060 8412
TIME...MOT...LOC 1914Z 273DEG 27KT 3046 8461

$$

14-MROCZKA

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 3:18 AM EDTSmall Craft AdvisoryTAE30 hr
Apr 13, 4:05 AM EDTHigh Surf AdvisoryTAEBay, Gulf, Walton14 hr
Apr 13, 8:09 AM EDTSevere Thunderstorm WarningTAEHolmes, Walton36 min
Apr 13, 8:43 AM EDTSevere Thunderstorm WarningTAEHolmes, Jackson47 min
Apr 13, 9:23 AM EDTSevere Thunderstorm WarningTAEJackson37 min
Apr 13, 10:41 AM EDTAreal Flood WarningTAEBay, Holmes, Jackson, Walton, Washington8 hr
Apr 13, 10:57 AM EDTRiver Flood WarningTAEGadsden, Leon8 days
Apr 13, 11:56 AM EDTSevere Thunderstorm WarningTAEHolmes, Jackson, Washington49 min
Apr 13, 11:56 AM EDTTornado WarningTAEJackson, Washington34 min
Apr 13, 12:26 PM EDTSpecial Marine WarningTAE64 min
Apr 13, 12:38 PM EDTSevere Thunderstorm WarningTAEJackson37 min
Apr 13, 12:45 PM EDTTornado WarningTAEJackson45 min
Apr 13, 1:07 PM EDTSevere Thunderstorm WarningTAECalhoun, Gadsden, Jackson, Liberty38 min
Apr 13, 1:13 PM EDTSpecial Marine WarningTAE62 min
Apr 13, 1:34 PM EDTSevere Thunderstorm WarningTAEBay, Calhoun, Jackson, Washington41 min
Apr 13, 1:53 PM EDTTornado WarningTAEBay, Calhoun37 min
Apr 13, 2:09 PM EDTSevere Thunderstorm WarningTAECalhoun, Jackson, Liberty51 min
Apr 13, 2:14 PM EDTAreal Flood WarningTAEBay, Calhoun, Franklin, Gadsden, Gulf, Jackson and 5 more8 hr
Apr 13, 2:22 PM EDTSpecial Marine WarningTAE113 min
Apr 13, 2:22 PM EDTTornado WarningTAECalhoun, Liberty23 min
Apr 13, 2:37 PM EDTSevere Thunderstorm WarningTAECalhoun, Gadsden, Jackson, Liberty38 min
Apr 13, 2:44 PM EDTTornado WarningTAEGadsden, Liberty31 min
Apr 13, 2:48 PM EDTSevere Thunderstorm WarningTAEBay, Calhoun, Gulf, Jackson, Liberty, Washington42 min
Apr 13, 3:04 PM EDTSevere Thunderstorm WarningTAEGadsden, Leon, Liberty41 min
Apr 13, 3:18 PM EDTFire Weather WatchTAEBay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more38 hr
Apr 13, 3:31 PM EDTSevere Thunderstorm WarningTAEBay, Calhoun, Gulf, Liberty, Washington44 min
Apr 13, 3:37 PM EDTSevere Thunderstorm WarningTAEGadsden, Jefferson, Leon38 min
Apr 13, 4:05 PM EDTAreal Flood WarningTAEDixie, Franklin, Gadsden, Gulf, Jefferson, Lafayette and 5 more8 hr
Apr 13, 4:16 PM EDTSpecial Marine WarningTAE59 min
Apr 13, 4:44 PM EDTSevere Thunderstorm WarningTAEJefferson38 min
Apr 13, 4:49 PM EDTFlash Flood WarningTAEBay, Calhoun, Franklin, Gulf, Jefferson, Leon and 4 more116 min
Apr 13, 4:50 PM EDTSevere Thunderstorm WarningTAEBay, Calhoun, Gulf40 min
Apr 13, 5:02 PM EDTSevere Thunderstorm WarningTAEFranklin, Gadsden, Liberty43 min
Apr 13, 5:42 PM EDTSevere Thunderstorm WarningTAEMadison48 min
Apr 13, 5:48 PM EDTSpecial Marine WarningTAE87 min
Apr 13, 5:56 PM EDTTornado WarningTAEFranklin, Gulf49 min
Apr 13, 6:05 PM EDTSpecial Marine WarningTAE55 min
Apr 13, 6:07 PM EDTSevere Thunderstorm WarningTAELeon, Wakulla38 min
Apr 13, 6:16 PM EDTFlash Flood WarningTAEGadsden, Jefferson, Leon119 min
Apr 13, 6:26 PM EDTSevere Thunderstorm WarningTAEBay, Calhoun, Gulf49 min
Apr 13, 6:29 PM EDTTornado WarningTAEFranklin31 min
Apr 13, 6:36 PM EDTSpecial Marine WarningTAE84 min
Apr 13, 6:43 PM EDTFlash Flood WarningTAECalhoun, Franklin, Gulf, Jefferson, Leon, Liberty and 3 more2 hr
Apr 13, 6:48 PM EDTSevere Thunderstorm WarningTAEFranklin, Gulf42 min
Apr 13, 6:51 PM EDTSevere Thunderstorm WarningTAEWakulla39 min
Apr 13, 7:07 PM EDTSpecial Marine WarningTAE83 min
Apr 13, 7:11 PM EDTSpecial Marine WarningTAE64 min
Apr 13, 7:16 PM EDTSevere Thunderstorm WarningTAEJefferson, Taylor44 min
Apr 13, 7:25 PM EDTTornado WarningTAETaylor50 min
Apr 13, 7:28 PM EDTFlash Flood WarningTAEJefferson, Taylor107 min

Nearby

Tornado Warnings in Florida, 2009Every tornado warning in 2009Tornadoes in 2009

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.