Alert archive / Florida / Tornado Warnings in 1998

Tornado Warning 46, NWS Mobile, AL

September 28, 1998Okaloosa County, Florida

NWS Mobile, AL issued this tornado warning at Sep 28, 1998, 9:58 PM CDT for Okaloosa County, Florida. It was in force for 77 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Sep 28, 1998, 9:58 PM CDT (02:58 UTC)
Expired
Sep 28, 1998, 11:15 PM CDT
In force
77 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Okaloosa County, FL

What was reported inside it

TimeReportWhereRemark
Sep 28, 10:10 PM CDTTornado F0Ft Walton Beach, FLA tornado, that spent most of its time just off the ground, skipped across the south part of Okaloosa county and caused minor roof and tree damage. The tornado began near Okaloosa Island and moved across the Sound then across Fort Walton Beach to the golf cou

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 28, 1:00 PM CDTTornado WatchSPC12 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 3.0 hours before the alert went out and 221 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 1998-09-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 855 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 00:00Z on 1998-09-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 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
855 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
836 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMOB 290300 COR
TORMOB
FLC091-290415-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
958 PM CDT MON SEP 28 1998

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* TORNADO WARNING FOR...
  OKALOOSA COUNTY IN NORTHWESTERN FLORIDA

* UNTIL 1115 PM CDT

* AT 953 PM CDT... DOPPLER RADAR AND SPOTTER REPORTS INDICATE STRONG
SQUALLS MOVING OVER OKALOOSA COUNTY FL HAVE PRODUCED SEVERAL SMALL
TORNADOES DURING THE LAST 15 MINUTES. MOVEMENT OF THESE TORNADOES WAS
TO THE NORTH NORTHWEST AT 20 TO 40 MPH. AT THIS TIME STRONG SQUALLS
WITH POSSIBLE TORNADOES WERE MOVING ONSHORE NEAR FT WALTON BEACH.

IF YOU ARE IN THE PATH OF A TORNADO...SEEK SAFETY IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS...OR
CUSHIONS TO COVER YOUR BODY. STAY AWAY FROM WINDOWS.

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 28, 7:59 PM CDTFlash Flood WarningMOBEscambia, Okaloosa, Santa Rosa8 hr
Sep 29, 3:08 AM CDTTornado WarningMOBSanta Rosa37 min
Sep 29, 4:02 AM CDTFlash Flood WarningMOBEscambia, Santa Rosa7 hr
Sep 29, 4:02 AM CDTFlash Flood WarningMOBOkaloosa7 hr
Sep 29, 11:59 AM CDTFlash Flood WarningMOBEscambia, Okaloosa, Santa Rosa8 hr

Nearby

Tornado Warnings in Florida, 1998Every tornado warning in 1998Tornadoes in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.