Alert archive / Florida / Tornado Warnings in 2003

Tornado Warning 9, NWS Tallahassee, FL

March 19, 2003Jefferson County, Florida

NWS Tallahassee, FL issued this tornado warning at Mar 19, 2003, 12:10 AM EST for Jefferson County, Florida. It was in force for 35 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
Mar 19, 2003, 12:10 AM EST (05:10 UTC)
Expired
Mar 19, 2003, 12:45 AM EST
In force
35 min
Issued by
NWS Tallahassee, FL
Area
Counties, with a storm outline in the text

County Jefferson County, FL

The radar

The Tallahassee radar (KTLH), 36 km from the middle of the area, began a volume at 05:12 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 nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 5.2 hours before the alert went out and 33 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 2003-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 81 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 00:00Z on 2003-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.1939587897Sfc1 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
81 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
1272 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
114 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

957 
WFUS52 KTAE 190510
TORTLH
FLC065-190545-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
1209 AM EST WED MAR 19 2003

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL JEFFERSON COUNTY IN FLORIDA

* UNTIL 1245 AM EST

* AT 1206 AM EST NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 9 MILES SOUTH OF THOMAS CITY...OR ABOUT 12 MILES
  NORTHEAST OF ST. MARKS...MOVING NORTHEAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  THOMAS CITY BY 1225 AM EST...
  CAPPS BY 1240 AM EST...

TORNADOES ARE ESPECIALLY DANGEROUS AT NIGHT WHEN THEY ARE DIFFICULT
TO DETECT. IF YOU ARE IN THE WARNED AREA...SEEK REFUGE IN A SMALL
INTERIOR ROOM ON THE LOWEST FLOOR.

LAT...LON 3028 8406 3018 8403 3032 8382 3041 8392

$$

8-JAMSKI

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 18, 9:10 PM ESTSevere Thunderstorm WarningTAEWalton35 min
Mar 19, 12:40 AM ESTTornado WarningTAEJefferson, Madison35 min
Mar 19, 1:08 AM ESTTornado WarningTAEMadison37 min

Nearby

Tornado Warnings in Florida, 2003Every tornado warning in 2003Tornadoes in 2003

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.