Alert archive / Florida / Tornado Warnings in 1994

Tornado Warning 7, NWS Melbourne, FL

August 10, 1994Volusia County, Florida

NWS Melbourne, FL issued this tornado warning at Aug 10, 1994, 7:40 PM EDT for Volusia County, Florida. It was in force for 38 min.

The area

The counties it named.

The facts

Issued
Aug 10, 1994, 7:40 PM EDT (23:40 UTC)
Expired
Aug 10, 1994, 8:18 PM EDT
In force
38 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 23:43 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

Jacksonville, FL (KAYS), launched 12:00Z, 11.7 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 12:00Z on 1994-08-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 182 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, Jacksonville, FL at 12:00Z on 1994-08-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.1939Sfc1 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
182 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
719 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
35 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.

000 
TTAA00 KMLB 102344
TORMLB
FLC127-110030-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
740 PM EDT WED AUG 10 1994
 
THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  830 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL FLORIDA
 
   ...EASTERN VOLUSIA COUNTY
 
 
AT 738 PM EDT...REPORTS WERE BEING RECEIVED OF THREE WATERSPOUTS ONLY A
FEW MILES OFFSHORE OF DAYTONA BEACH SHORES. WEATHER RADAR INDICATED
MOVEMENT TO THE WEST...TOWARDS SHORE...AT 5 TO 10 MPH.
 
RESIDENTS NEAR THE COAST...ESPECIALLY NEAR DAYTONA BEACH SHORES...SHOULD
ACT NOW IN PREPARATION FOR LANDFALLING WATERSPOUTS.
 
IF YOU ARE CAUGHT OUTSIDE IN THE PATH OF THESE SPOUTS...SEEK SHELTER IN
A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A
CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
 
PLEASE MOVE OFF THE BEACHES...BOATERS MOVE AWAY FROM THE SPOUTS AT A
90-DEGREE ANGLE.

Nearby

Tornado Warnings in Florida, 1994Every tornado warning in 1994Tornadoes in 1994

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.