Alert archive / Florida / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 48, NWS Melbourne, FL

May 27, 1992Flagler County, Volusia County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at May 27, 1992, 6:12 PM EDT for Flagler County, Volusia County, Florida. It was in force for 33 min.

The area

The counties it named.

The facts

Issued
May 27, 1992, 6:12 PM EDT (22:12 UTC)
Expired
May 27, 1992, 6:45 PM EDT
In force
33 min
Issued by
NWS Melbourne, FL
Area
Whole counties

Counties Flagler County, FL, Volusia County, FL

The radar

The Melbourne radar (KMLB), 140 km from the middle of the area, began a volume at 22:13 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, 10.2 hours before the alert went out and 145 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 1992-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 47 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 1992-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 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
47 J/kg
Mixed-layer CIN
-159 J/kg
Mixed-layer LCL
1031 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
201 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 272212
SVRDAB
FLC127-035-272315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
612 PM EDT WED MAY 27 1992
 
THE NATIONAL WEATHER SERVICE IN DAYTONA BEACH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL FLORIDA
 
   ...NORTHERN VOLUSIA COUNTY
 
AND THE ADJACENT COASTAL WATERS.
 
 
IN NORTHEAST FLORIDA
 
   ...SOUTHERN FLAGLER COUNTY
 
AND THE ADJACENT COASTAL WATERS.
 
 
SEVERE THUNDERSTORM OVER THE NORTHWEST CORNER OF VOLUSIA AND
AND SOUTHWEST SECTIONS OF FLAGLER COUNTY...
 
AT 607 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING WINDS IN EXCESS OF 55 MPH...
LARGE HAIL...AND NUMEROUS DANGEROUS LIGHTNING STRIKES MOVING
EAST ALONG THE NORTHWEST CORNER OF VOLUSIA COUNTY...VERY NEAR
THE EAST SHORES OF LAKE GEORGE.
 
THE STORM WAS MOVING EAST SOUTHEAST AT ABOUT 20 MPH ON A COURSE
THAT WILL RAPIDLY CARRY IT ACROSS THE SOUTHWEST SECTIONS OF
FLAGLER COUNTY AS WELL.
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

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, May 27, 2:26 PM EDT, 3 hours 46 minutes before
FLZ012-271930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
227 PM EDT WED MAY 27 1992

...STRONG THUNDERSTORMS ENTERING FLAGLER COUNTY...

AT 220 PM EDT A FEW STRONG THUNDERSTORMS WERE WEST OF BUNNELL ON THE
FLAGLER COUNTY LINE. THEY WERE MOVING EAST AT 20 MPH.

THESE THUNDERSTORMS ARE PRODUCING FREQUENT DANGEROUS LIGHTNING..
AND WILL LIKELY PRODUCE POSSIBLE HAIL..HEAVY RAIN AND GUSTY WINDS.

PERSONS IN FLAGLER COUN0TY SHOULD STAY ALERT FOR POSSIBLE FURTHER
STATEMENTS REGARDING THESE THUNDERSTORMS.
Special weather statement, May 27, 3:56 PM EDT, 2 hours 16 minutes before
FLZ017-011-272045-

SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE...CORRECTION
NATIONAL WEATHER SERVICE MELBOURNE FL
353 PM EDT WED MAY 27 1992

...STRONG THUNDERSTORMS CONTINUE ACROSS EAST CENTRAL FLORIDA...

AT 350 PM WEATHER RADAR SHOWED SCATTERED STRONG THUNDERSTORMS
FROM BITHLO TO JUST EAST OF ST CLOUD AND OVER THE COASTAL
WATERS FROM MATANZAS INLET TO FLAGLER BEACH....AND NEAR NEW SMYRNA
BEACH. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 20 MPH. IN
ADDITION TO VERY HEAVY DOWNPOURS THE THUNDERSTORMS WILL LIKELY PRODUCE
FREQUENT DANGEROUS LIGHTNING...STRONG GUSTY WINDS...AND POSSIBLE HAIL.

DURING THE NEXT HOUR STRONG THUNDERSTORMS WILL MOVE INTO
BREVARD COUNTY AND EXTEND FROM TITUSVILLE TO COCOA. STRONG THUNDER-
STORMS WILL ALSO MOVE INTO THE ORLANDO/KISSIMMEE AREA AND FROM PALATKA
TO THE EAST COAST AND COASTAL WATER FROM MATANZAS TO NEW SMYRNA BEACH.
RESIDENTS OF EAST CENTRAL FLORIDA SHOULD BE ALERT FOR THESE
THUNDERSTORMS DURING THE LATE AFTERNOON AND USE EXTRA CAUTION WHEN
TRAVELLING. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL NEWS MEDIA FOR
FURTHER STATEMENTS AND POSSIBLE WARNINGS.

PAF
Special weather statement, May 27, 4:51 PM EDT, 1 hour 21 minutes before
FLZ006>017-020-272300-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
450 PM EDT WED MAY 27 1992

...THIS STATEMENT IS FOR MARION...FLAGLER...AND VOLUSIA COUNTIES...

AT 445 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED STRONG
THUNDERSTORMS EXTENDING FROM FLAGLER COUNTY INLAND TO MARION
COUNTY. THESE STORMS ARE LIKELY TO PRODUCE STRONG GUSTY WINDS...
FREQUENT DANGEROUS LIGHTNING STRIKES...VERY HEAVY RAINS...AND
POSSIBLY HAIL.

THE STORMS WERE MOVING EAST AT 20 MPH...ON A COURSE THAT WILL
CARRY THE STORMS TO THE COASTAL WATERS OF FLAGLER COUNTY AND
INTO THE EAST SECTIONS OF MARION AND NORTHWEST PORTION OF VOLUSIA
COUNTY DURING THE NEXT ONE TO TWO HOURS.

BOATERS OVER THE COASTAL WATERS AND INLAND WATERWAYS SHOULD BE ALERT
FOR GUSTY WINDS AND ROUGH SEAS AS THESE THUNDERSTORMS MOVE THROUGH
THE AREA.

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; radar from the NEXRAD Level II archive.