Alert archive / Florida / Tornado Warnings in 2009

Tornado Warning 72, NWS Tallahassee, FL

April 13, 2009Jackson County, Florida

NWS Tallahassee, FL issued this tornado warning at Apr 13, 2009, 11:45 AM CDT for Jackson County, Florida. It was in force for 45 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 13, 2009, 11:45 AM CDT (16:45 UTC)
Expired
Apr 13, 2009, 12:30 PM CDT
In force
45 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon

County Jackson County, FL

The radar

The Tallahassee radar (KTLH), 74 km from the middle of the area, began a volume at 16:46 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.

IssuedProductOfficeLasted
Apr 13, 9:12 AM CDTTornado WatchSPC9 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 4.8 hours before the alert went out and 76 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°0°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 131645
TORTAE
FLC063-131730-
/O.NEW.KTAE.TO.W.0072.090413T1645Z-090413T1730Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1145 AM CDT MON APR 13 2009

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEAST AND EAST CENTRAL JACKSON COUNTY IN THE PANHANDLE
  OF FLORIDA...

* UNTIL 1230 PM CDT

* AT 1145 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A DEVELOPING TORNADO NEAR CYPRESS...OR 10 MILES SOUTHEAST OF
  MARIANNA...MOVING NORTHEAST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  GRAND RIDGE BY 1150 AM CDT...
  SNEADS BY NOON CDT...

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 400 PM CDT MONDAY AFTERNOON
FOR SOUTHEAST ALABAMA AND NORTHWEST FLORIDA AND SOUTHWESTERN GEORGIA.

LAT...LON 3077 8518 3086 8494 3084 8492 3079 8493
      3075 8492 3074 8488 3072 8487 3069 8487
      3063 8492 3064 8519
TIME...MOT...LOC 1645Z 245DEG 32KT 3072 8509

$$

14-MROCZKA

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 2:18 AM CDTSmall Craft AdvisoryTAE30 hr
Apr 13, 3:05 AM CDTHigh Surf AdvisoryTAEBay, Gulf, Walton14 hr
Apr 13, 7:09 AM CDTSevere Thunderstorm WarningTAEHolmes, Walton36 min
Apr 13, 7:43 AM CDTSevere Thunderstorm WarningTAEHolmes, Jackson47 min
Apr 13, 8:23 AM CDTSevere Thunderstorm WarningTAEJackson37 min
Apr 13, 9:41 AM CDTAreal Flood WarningTAEBay, Holmes, Jackson, Walton, Washington8 hr
Apr 13, 9:57 AM CDTRiver Flood WarningTAEGadsden, Leon8 days
Apr 13, 10:56 AM CDTSevere Thunderstorm WarningTAEHolmes, Jackson, Washington49 min
Apr 13, 10:56 AM CDTTornado WarningTAEJackson, Washington34 min
Apr 13, 11:26 AM CDTSpecial Marine WarningTAE64 min
Apr 13, 11:38 AM CDTSevere Thunderstorm WarningTAEJackson37 min
Apr 13, 12:07 PM CDTSevere Thunderstorm WarningTAECalhoun, Gadsden, Jackson, Liberty38 min
Apr 13, 12:13 PM CDTSpecial Marine WarningTAE62 min
Apr 13, 12:34 PM CDTSevere Thunderstorm WarningTAEBay, Calhoun, Jackson, Washington41 min
Apr 13, 12:53 PM CDTTornado WarningTAEBay, Calhoun37 min
Apr 13, 1:09 PM CDTSevere Thunderstorm WarningTAECalhoun, Jackson, Liberty51 min
Apr 13, 1:14 PM CDTAreal Flood WarningTAEBay, Calhoun, Franklin, Gadsden, Gulf, Jackson and 5 more8 hr
Apr 13, 1:22 PM CDTSpecial Marine WarningTAE113 min
Apr 13, 1:22 PM CDTTornado WarningTAECalhoun, Liberty23 min
Apr 13, 1:37 PM CDTSevere Thunderstorm WarningTAECalhoun, Gadsden, Jackson, Liberty38 min
Apr 13, 1:44 PM CDTTornado WarningTAEGadsden, Liberty31 min
Apr 13, 1:48 PM CDTSevere Thunderstorm WarningTAEBay, Calhoun, Gulf, Jackson, Liberty, Washington42 min
Apr 13, 2:04 PM CDTSevere Thunderstorm WarningTAEGadsden, Leon, Liberty41 min
Apr 13, 2:15 PM CDTTornado WarningTAEGadsden, Leon, Liberty45 min
Apr 13, 2:18 PM CDTFire Weather WatchTAEBay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more38 hr
Apr 13, 2:31 PM CDTSevere Thunderstorm WarningTAEBay, Calhoun, Gulf, Liberty, Washington44 min
Apr 13, 2:37 PM CDTSevere Thunderstorm WarningTAEGadsden, Jefferson, Leon38 min
Apr 13, 3:05 PM CDTAreal Flood WarningTAEDixie, Franklin, Gadsden, Gulf, Jefferson, Lafayette and 5 more8 hr
Apr 13, 3:16 PM CDTSpecial Marine WarningTAE59 min
Apr 13, 3:44 PM CDTSevere Thunderstorm WarningTAEJefferson38 min
Apr 13, 3:49 PM CDTFlash Flood WarningTAEBay, Calhoun, Franklin, Gulf, Jefferson, Leon and 4 more116 min
Apr 13, 3:50 PM CDTSevere Thunderstorm WarningTAEBay, Calhoun, Gulf40 min
Apr 13, 4:02 PM CDTSevere Thunderstorm WarningTAEFranklin, Gadsden, Liberty43 min
Apr 13, 4:42 PM CDTSevere Thunderstorm WarningTAEMadison48 min
Apr 13, 4:48 PM CDTSpecial Marine WarningTAE87 min
Apr 13, 4:56 PM CDTTornado WarningTAEFranklin, Gulf49 min
Apr 13, 5:05 PM CDTSpecial Marine WarningTAE55 min
Apr 13, 5:07 PM CDTSevere Thunderstorm WarningTAELeon, Wakulla38 min
Apr 13, 5:16 PM CDTFlash Flood WarningTAEGadsden, Jefferson, Leon119 min
Apr 13, 5:26 PM CDTSevere Thunderstorm WarningTAEBay, Calhoun, Gulf49 min
Apr 13, 5:29 PM CDTTornado WarningTAEFranklin31 min
Apr 13, 5:36 PM CDTSpecial Marine WarningTAE84 min
Apr 13, 5:43 PM CDTFlash Flood WarningTAECalhoun, Franklin, Gulf, Jefferson, Leon, Liberty and 3 more2 hr
Apr 13, 5:48 PM CDTSevere Thunderstorm WarningTAEFranklin, Gulf42 min
Apr 13, 5:51 PM CDTSevere Thunderstorm WarningTAEWakulla39 min
Apr 13, 6:07 PM CDTSpecial Marine WarningTAE83 min
Apr 13, 6:11 PM CDTSpecial Marine WarningTAE64 min
Apr 13, 6:16 PM CDTSevere Thunderstorm WarningTAEJefferson, Taylor44 min
Apr 13, 6:25 PM CDTTornado WarningTAETaylor50 min
Apr 13, 6:28 PM CDTFlash 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.