Alert archive / Florida / Tornado Warnings in 2002

Tornado Warning 23, NWS Tallahassee, FL

September 25, 2002Walton County, Florida

NWS Tallahassee, FL issued this tornado warning at Sep 25, 2002, 9:53 PM CDT for Walton County, Florida. It was in force for 34 days. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 25, 2002, 9:53 PM CDT (02:53 UTC)
Expired
Oct 29, 2002, 2:30 PM CST
In force
34 days
Issued by
NWS Tallahassee, FL
Area
Counties, with a storm outline in the text

County Walton County, FL

The radar

The Tallahassee radar (KTLH), 77 km from the middle of the area, began a volume at 02:53 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
Sep 25, 12:30 PM CDTTornado WatchSPC12 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 2.9 hours before the alert went out and 77 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 2002-09-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 747 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 2002-09-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 169 square meters per square second.193958Sfc1 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
747 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
768 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
169 m²/s²
0-3 km storm-relative helicity
194 m²/s²
Significant tornado parameter
0.6
Supercell composite
5.4

Open this sounding in Storm Lab

The text

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

635 
WFUS52 KTAE 260253
TORTLH
FLC131-260330-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
953 PM CDT WED SEP 25 2002

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN WALTON COUNTY IN FLORIDA
  THIS INCLUDES SANTA ROSA BEACH...

* UNTIL 1030 PM CDT

* AT 1048 PM EDT (948 PM CDT) NATIONAL WEATHER SERVICE DOPPLER       
  RADAR INDICATED A DEVELOPING TORNADO 10 MILES SOUTHEAST OF SANTA   
  ROSA BEACH...MOVING NORTHWEST AT 35 MPH.

* THE TORNADO WILL BE NEAR...
  SANTA ROSA BEACH BY 1000 PM CDT...

WATERSPOUTS MAY CAUSE LOCALIZED DAMAGE AS THEY MOVE ONSHORE. IF YOU
ARE IN THE PATH OF THIS WATERSPOUT...PLEASE GO TO A SAFE PLACE
IMMEDIATELY.

LAT...LON 3027 8611 3031 8607 3059 8634 3047 8646

.END

22-BARRY

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 25, 10:47 PM CDTTornado WarningTAEBay41 days
Sep 26, 12:06 AM CDTTornado WarningTAEBay, Gulf41 days

Nearby

Tornado Warnings in Florida, 2002Every tornado warning in 2002Tornadoes in 2002

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.