Alert archive / Florida / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 53, NWS Melbourne, FL

June 13, 1992Lake County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Jun 13, 1992, 7:50 PM EDT for Lake County, Florida. It was in force for 40 min.

The area

The counties it named.

The facts

Issued: Jun 13, 1992, 7:50 PM EDT (23:50 UTC)
Expired: Jun 13, 1992, 8:30 PM EDT
In force: 40 min
Issued by: NWS Melbourne, FL
Area: Whole counties

County Lake County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 11.8 hours before the alert went out and 136 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1711 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 671 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 17 m²/s²
0-3 km storm-relative helicity: 44 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMLB 132352
SVRMLB
FLC069-140030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
750 PM EDT SAT JUN 13 1992
 
THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  830 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL FLORIDA
 
   ...NORTH AND CENTRAL LAKE COUNTY
 
...AT 750 PM WEATHER RADAR INDICATED SEVERE THUNDERSTORMS OVER
MT DORA AND 5 MILES NORTHWEST OF MASCOTTE. THE THUNDERSTORMS
WERE MOVING TO THE SOUTHEAST AT 10 MPH AND WILL REACH BETWEEN
MT DORA AND TAVARES AND MOVE INTO MASCOTTE DURING THE NEXT
HALF HOUR.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 58
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF A STRONG BUILDING. 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, Jun 13, 7:17 PM EDT, 33 minutes before

FLZ012-140115-

SPECIAL WEATHER AND MARINE WEATHER STATEMENT
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
719 PM EDT SAT JUN 13 1992

...THIS IS A SPECIAL WEATHER AND MARINE WEATHER STATEMENT FOR
FLAGLER COUNTY...

STRONG THUNDERSTORMS REACHED FROM PALATKA EAST ALONG THE NORTHERN
FLAGLER COUNTY LINE THEN OFFSHORE OVER THE COASTAL WATERS. THEY
WERE MOVING EAST AT 20 MPH.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING STRONG AND GUSTY WINDS
DANGEROUS LIGHTNING STRIKES..HEAVY RAIN AND POSSIBLE HAIL AS THEY
MOVE ACROSS FLAGLER COUNTY FOR THE NEXT 1 TO 2 HOURS.

RESIDENTS ARE ADVISED TO SEEK SAFE SHELTER IF THREATENED  BY THESE
STORMS.

MARINE INTERESTS ON THE COASTAL AND INLAND WATERWAYS \SHOULD SEEK
SAFE HARBOR IF THREATENING CONDITIONS APPROACH.

Nearby

Severe Thunderstorm Warnings in Florida, 1992 Every 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.