Alert archive / Florida / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 19, NWS Melbourne, FL

February 17, 1992Flagler County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Feb 17, 1992, 5:34 PM EST for Flagler County, Florida. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Feb 17, 1992, 5:34 PM EST (22:34 UTC)
Expired
Feb 17, 1992, 6:15 PM EST
In force
41 min
Issued by
NWS Melbourne, FL
Area
Whole counties

County Flagler County, FL

The nearest sounding before it

Jacksonville, FL (KAYS), launched 12:00Z, 10.6 hours before the alert went out and 121 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 1992-02-17Temperature 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, Jacksonville, FL at 12:00Z on 1992-02-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 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
1727 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
190 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 KDAB 172236
SVRDAB
FLC035-172315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
534 PM EST MON FEB 17 1992
 
THE NATIONAL WEATHER SERVICE IN DAYTONA BEACH HAS ISSUED A
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
EFFECTIVE UNTIL  615 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST FLORIDA
 
   ...FLAGLER COUNTY
 
AND ADJACENT COASTAL WATERS OF NORTHEAST FLORIDA OFF FLAGLER COUNTY.
 
AT 525 PM EST WEATHER RADAR SHOWED A LINE OF VERY HEAVY SHOWERS AND
THUNDERSTORMS OVER EAST PUTNAN COUNTY.  MOVEMENT WAS EAST AT 40 MPH.
THERE HAVE BEEN REPORTS OF HAIL AND STRONG GUSTY WINDS AS THESE
THUNDERSTORMS MOVED THROUGH PUTNAN COUNTY.
 
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

What forecasters said that day

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

In the hours before

Special weather statement, Feb 17, 5:12 PM EST, 22 minutes before
FLZ009-180015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
510 PM EST MON FEB 17 1992

...THIS STATEMENT IS FOR MARION COUNTY...

A LINE OF SHOWERS WAS MOVING RAPIDLY EAST AT 35 MPH THROUGH MARION
COUNTY.

THE LINE WAS MOVING THROUGH THE OCALA AREA AND MAY PRODUCE WIND
GUSTS TO 40 MPH THIS AFTERNOON OVER THE CENTRAL AND EASTERN PARTS
OF THE COUNTY.

WIND GUSTS OF 43 MPH WERE REPORTED EARLIER THIS AFTERNOON IN
JACKSONVILLE AND 35 MPH IN GAINESVILLE AS THE LINE MOVED THROUGH THOSE
AREAS.

Nearby

Severe Thunderstorm Warnings in Florida, 1992Every severe thunderstorm warning in 1992

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.