Alert archive / Florida / Tornado Warnings in 1996

Tornado Warning 20, NWS Tallahassee, FL

December 16, 1996Walton County, Florida

NWS Tallahassee, FL issued this tornado warning at Dec 16, 1996, 8:19 PM CST for Walton County, Florida. It was in force for 26 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 16, 1996, 8:19 PM CST (02:19 UTC)
Expired
Dec 16, 1996, 8:45 PM CST
In force
26 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Walton County, FL

The radar

The Eglin Afb radar (KEVX), 25 km from the middle of the area, began a volume at 02:22 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, 2.3 hours before the alert went out and 181 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 1996-12-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1996-12-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 146 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
947 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
146 m²/s²
0-3 km storm-relative helicity
235 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.

447 
WFUS1 KTLH 170220 RRA
TORTLH
FLC131-170245-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
919 PM EST (819 PM CST) MON DEC 16 1996
 
THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  945 PM EST (845 PM CST)
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST FLORIDA
 
   ...WALTON COUNTY
 
AT 817 PM CST...DOPPLER WEATHER RADAR INDICATED A POSSIBLE TORNADO 5
MILES SOUTHWEST OF DE FUNIAK SPRINGS.
 
MOVEMENT WAS NORTHEAST AT 40 MPH.
 
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS UNDER
STURDY FURNITURE IN AN INTERIOR ROOM ON THE LOWEST FLOOR. USE
PILLOWS TO COVER YOUR BODY. AVOID WINDOWS. A MOBILE HOME IS NOT A
SAFE REFUGE FROM A TORNADO. MOVE TO A MORE SUBSTANTIAL BUILDING.

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tallahassee, FL wrote its last area forecast discussion before this tornado warning went out at Dec 16, 7:38 PM CST, 41 minutes earlier.

Area forecast discussion, Dec 16, 7:38 PM CST, 41 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TALLAHASSEE FL
830 PM EST MON DEC 16 1996

MDLS CONSISTENT IN DVLPG MONSTROUS MID/UPR CLOSED LO CNTRD OVR NRN
PLAINS/UPR MS VLY AND COVERING MOST OF CONUS THRU END OF PD...WITH
SERN STATES REMAINING IN SW FLO ALOFT ON LEADING EDGE OF TROF.
HOWEVER...THE SIMILARITIES END THERE. ETA AND NGM ARE VASTLY DIFFERENT
IN HANDLING MOVEMENT OF SFC TROF AND PRECIP ACRS FCST AREA AS S/WV OVR
LA ATTM LIFTS NE AND WEAKENS THRU NXT 18 TO 24 HRS. NGM RATHER
UNIMPRESSIVE WITH PRECIP FIELDS DURG NXT 24 HRS...AND FWC REFLECTS
THIS WITH 20 TO 40 PCT POPS. MEANWHILE...WET ETA GIVES US OVER AN INCH
OF PRECIP AT TLH BY 00Z WED. SINCE FAN GUID HAS MUCH HIER POPS...NGM
SEEMS TO BE ODD MAN OUT. ALTHO 12HR MDL SOLUTIONS DIFFER LITTLE...QUIK
COMPARISON SHOWS BEST AGREEMENT BETW SFC FEATURES/QPF WITH ETA MDL...
THUS WILL LEAN TOWARD ETA. THAT BEING THE CASE...FEEL THAT POPS NEED
TO BE CHANGED RADICALLY IN NW FL ZONES. TIMING OF PRECIP MAY BE BEST
IN TLH 12Z MM5 MDL RUN...WHICH HAS PRECIP ARRIVING TLH AREA ARND 09Z
TUE. WITH THAT IN MIND...FOR NW FL...WOULD FAVOR INTRODUCING AT LEAST
40 PCT POP FOR AFTER MIDNITE TONITE AND 50/60 PCT POP FOR TUE. EXPC
MOST OF PRECIP TO TAPER OFF AND LIFT NNE OF FCST AREA BY MIDDAY TUE AS
S/WV WEAKENS AND LIFTS NEWD...ALTHO LINGERING WEAK VORT LOBE MAY BE
ENUF TO SUPPORT WIDELY SCTD SHRA TUE AFTN.

MEANWHILE...STILL DEALING WITH SVR TSTM WATCH OVR FL PNHNDL/SE AL.
LATEST VAD WIND PROFILE OFF KEVX RADAR SHOWS SR HELICITIES IN 300 TO
450 RANGE. LUCKILY...INSTABILITY APPEARS TO BE ON THE LOW SIDE AND
CONFINED TO A NARROW BAND IN WARM SECTOR MOVG NWD FM GULFMEX ACRS
PNHNDL INTO S AL...TO W OF PAM/DHN. TLH 00Z RAOB SHOWS LI OF PLUS 9.
WILL KEEP AN EYE ON TORNADIC POTENTIAL.

MOORE

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 16, 7:56 PM CSTSevere Thunderstorm WarningTAEWalton64 min

Nearby

Tornado Warnings in Florida, 1996Every tornado warning in 1996Tornadoes in 1996

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.