Alert archive / Florida / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 3, NWS Tallahassee, FL

March 30, 1992Okaloosa County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 30, 1992, 1:37 PM CST for Okaloosa County, Florida. It was in force for 68 min. 1 report 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
Mar 30, 1992, 1:37 PM CST (19:37 UTC)
Expired
Mar 30, 1992, 2:45 PM CST
In force
68 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Okaloosa County, FL

What was reported inside it

TimeReportWhereRemark
Mar 30, 1:55 PM CSTHail 0.75Okaloosa, FL

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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 7.6 hours before the alert went out and 221 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, Tallahassee Rgnl, FL at 12:00Z on 1992-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 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, Tallahassee Rgnl, FL at 12:00Z on 1992-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 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
11 J/kg
Mixed-layer CIN
-104 J/kg
Mixed-layer LCL
550 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
159 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 KPNS 301939
SVRPNS
FLC091-302045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PENSACOLA FL
137 PM CST MON MAR 30 1992
 
THE NATIONAL WEATHER SERVICE IN PENSACOLA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  245 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST FLORIDA
 
   ...NORTHERN OKALOOSA COUNTY
 
 
WEATHER SERVICE RADAR SHOWED A COUPLE OF SEVERE THUNDERSTORMS IN THE
NORTHERN PART OF OKALOOSA COUNTY. ONE OF THE STORMS WAS MOVING INTO
SOUTH ALABAMA.   ANOTHER STORM WAS MOVING INTO NORTHWEST OKALOOSA
COUNTY FROM SOUTH ALABAMA.  THIS STORM WAS MOVING EAST SOUTHEAST
AT 20 MILES AN HOUR AND WILL PASS NEAR CRESTVIEW.  BOTH OF THESE
STORMS HAD INDICATIONS OF LARGE HAIL ON RADAR.
 
PERSONS ACROSS NORTHWEST FLORIDA...ESPECAILLY LIVING NEAR THE ALABAMA
FLORIDA STATE LINE...SHOULD STAY TUNED TO LOCAL TV AND RADIO STATIONS
OR MONITOR THEIR WEATHER RADIO FOR ADDITIONAL WARNINGS AND STATEMENTS.
 
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.

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, Mar 30, 8:46 AM CST, 4 hours 51 minutes before
FLZ004-301530-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE APALACHICOLA FLORIDA
940 AM EST MON MAR 30 1992

AT 940 AM...THERE WAS A LARGE AREA OF VERY STRONG THUNDERSTORMS
70 MILES SOUTHWEST OF APALACHICOLA FLORIDA MOVING NORTHEAST
AT 30 TO 35 MILES AN HOUR.

RESIDENTS OF GULF AND FRANKLIN COUNTIES AS WELL AS MARINE
INTEREST SHOULD PAY SPECIAL ATTENTION TO THE WEATHER.
LOOK TO THE SOUTHWEST TO WATCH FOR THE WEATHER AND BE
PREPARED TO TAKE COVER IMMEDIATELY.

THE THUNDERSTORMS SHOULD HAVE STRONG WINDS...HAIL...LIGHTENING
...AND VERY HEAVY RAIN.

THE THUNDERSTORMS SHOULD BE APPROACHING LAND BETWEEN 1200 AND 1230
PM EST.                         ?
Special weather statement, Mar 30, 10:42 AM CST, 2 hours 55 minutes before
FLZ004-301730-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE APALACHICOLA FLORIDA
1140 AM EST MON MAR 30 1992

AT 1140 AM...THERE WAS A LARGE AREA OF VERY STRONG THUNDERSTORMS
20 MILES WEST OF APALACHICOLA FLORIDA MOVING NORTHEAST AT 30 TO 35
MILES AN HOUR.

RESIDENTS OF GULF AND FRANKLIN COUNTIES AS WELL AS MARINE
INTEREST SHOULD PAY SPECIAL ATTENTION TO THE WEATHER.
LOOK TO THE SOUTHWEST TO WATCH FOR THE WEATHER AND BE
PREPARED TO TAKE COVER IMMEDIATELY.

THE THUNDERSTORMS SHOULD HAVE STRONG WINDS...HAIL...LIGHTENING
...AND VERY HEAVY RAIN.

THE THUNDERSTORMS SHOULD BE APPROACHING LAND BETWEEN 1200 AND 1230
PM EST.
Special weather statement, Mar 30, 11:42 AM CST, 1 hour 55 minutes before
FLZ004-301830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE APALACHICOLA FLORIDA
1240 PM EST MON MAR 30 1992

AT 1235 PM...THE STRONG THUNDERSTORMS HAD MOVED TO THE EAST OF GULF
COUNTY AND WILL BE EAST OF FRANKLIN COUNTY BY 1 PM EST.

MARINE INTEREST ALONG FRANKLIN COUNTY SHOULD
PAY SPECIAL ATTENTION TO THE WEATHER UNTIL 130 PM. LOOK TO THE
SOUTHWEST TO WATCH FOR THE WEATHER AND BE PREPARED TO TAKE COVER
IMMEDIATELY.

THE THUNwDERSTORMS COULD HAVE STRONG WINDS...HAIL...LIGHTNING ...AND
VERY HEAVY RAIN.

MOVEMENT WAS EAST AT 35 MILES AN HOUR.
Special weather statement, Mar 30, 1:03 PM CST, 34 minutes before
FLZ003-005-006-007-GAZ011-012-302000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
205 PM EST (105 PM CST) MON MAR 30 1992

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MUCH OF NORTHWEST FLORIDA
AND SOUTH GEORGIA UNTIL 7 PM EST (6 PM CST) THIS EVENING.

..AT 202 PM EST...WEATHER SERVICE RADAR INDICATED A CLUSTER OF STRONG
THUNDERSTORMS OVER THE BIG BEND AREA OF FLORIDA AND SOUTHWEST GEORGIA.
THE STRONGEST THUNDERSTORMS EXTENDED FROM WESTERN SEMINOLE COUNTY
GEORGIA ACROSS DECATUR AND THOMAS COUNTIES AND INTO LEON AND JEFFERSON
COUNTIES IN FLORIDA.  THIS ACTIVITY IS MOVING SLOWLY TOWARD THE
NORTHEAST.

THESE THUNDERSTORMS HAVE THE POTENTIAL TO PRODUCE BRIEF HEAVY
RAINFALL...GUSTY WINDS...FREQUENT LIGHTNING AND POSSIBLE SMALL HAIL.
STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS AND POSSIBLE
WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 30, 2:04 PM CSTSevere Thunderstorm WarningTAEWalton41 min
Mar 30, 3:32 PM CSTSevere Thunderstorm WarningTAEJackson43 min

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.