Alert archive / Florida / Tornado Warnings in 1998

Tornado Warning 24, NWS Melbourne, FL

February 23, 1998Volusia County, Florida

NWS Melbourne, FL issued this tornado warning at Feb 23, 1998, 12:14 AM EST for Volusia County, Florida. It was in force for 61 min. 2 reports 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
Feb 23, 1998, 12:14 AM EST (05:14 UTC)
Expired
Feb 23, 1998, 1:15 AM EST
In force
61 min
Issued by
NWS Melbourne, FL
Area
Whole counties

County Volusia County, FL

The radar

The Melbourne radar (KMLB), 116 km from the middle of the area, began a volume at 05:15 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.

What was reported inside it

TimeReportWhereRemark
Feb 23, 12:25 AM ESTTornado F3Osteen, FLThe Sanford tornado crossed into Volusia County near Highway 46 and the St. Johns River where it killed a 53 year old man in a recreational vehicle at a fish camp. The tornado continued northeast for 2 miles and dissipated in a rural part of south Volusia Coun
Feb 23, 12:45 AM ESTTornado F2Oak Hill, FLThe same supercell that produced the Sanford tornado produced an F2 tornado that touched down just west of Interstate 95 about 5 miles west of Oak Hill. The tornado moved northeast at 45 mph blowing down trees destroying two barns and damaging 10 mobile home

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
Feb 22, 9:00 PM ESTTornado WatchSPC6 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 5.2 hours before the alert went out and 168 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, Jacksonville, FL at 00:00Z on 1998-02-23Temperature 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 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 00:00Z on 1998-02-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -91 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
778 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
-91 m²/s²
0-3 km storm-relative helicity
87 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.

215 
WFUS01 KMLB 230515 RRA
TORMLB
AMZ550-FLC127-230615-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
1214 AM EST MON FEB 23 1998

THE NATIONAL WEATHER SERVICE IN MELBOURNE FL HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 115 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN EAST CENTRAL FLORIDA

   ...VOLUSIA COUNTY
 
AT 1212 AM EST...WEATHER RADAR INDICATED A TORNADO NEAR LAKE MARY IN
SEMINOLE COUNTY MOVING RAPIDLY NORTHEAST AT 45 MPH. THIS TORNADO
WILL ENTER INTO VOLUSIA COUNTY NEAR DELTONA AND ENTERPRISE...TO NEAR
OSTEEN...TO NEAR LAKE ASHBY.
 

RESIDENTS SHOULD ACT NOW TO PROTECT THEMSELVES

SHARP

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 22, 9:45 PM ESTTornado WarningMLBLake65 min
Feb 22, 10:22 PM ESTTornado WarningMLBVolusia53 min
Feb 22, 11:20 PM ESTTornado WarningMLBVolusia45 min
Feb 22, 11:27 PM ESTTornado WarningMLBLake63 min
Feb 22, 11:37 PM ESTTornado WarningMLBOrange63 min
Feb 22, 11:56 PM ESTTornado WarningMLBSeminole59 min
Feb 23, 12:21 AM ESTFlash Flood WarningMLBVolusia3 hr
Feb 23, 12:22 AM ESTTornado WarningMLBOsceola58 min
Feb 23, 12:40 AM ESTFlash Flood WarningMLBOrange, Seminole3 hr
Feb 23, 12:40 AM ESTTornado WarningMLBOrange45 min
Feb 23, 1:19 AM ESTTornado WarningMLBOrange, Osceola61 min
Feb 23, 1:23 AM ESTTornado WarningMLBBrevard62 min
Feb 23, 2:27 AM ESTTornado WarningMLBBrevard48 min
Feb 23, 3:04 AM ESTTornado WarningMLBOsceola56 min
Feb 23, 3:16 AM ESTTornado WarningMLBBrevard59 min

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; radar from the NEXRAD Level II archive.