Alert archive / Florida / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 48, NWS Tallahassee, FL

July 7, 1993Santa Rosa County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Jul 7, 1993, 3:28 PM CDT for Santa Rosa County, Florida. It was in force for 32 min.

The area

The counties it named.

The facts

Issued
Jul 7, 1993, 3:28 PM CDT (20:28 UTC)
Expired
Jul 7, 1993, 4:00 PM CDT
In force
32 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Santa Rosa County, FL

The nearest sounding before it

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 8.5 hours before the alert went out and 55 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, Eglin AFB/Valpar, FL at 12:00Z on 1993-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2033 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, Eglin AFB/Valpar, FL at 12:00Z on 1993-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 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
2033 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
844 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
-8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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

Local storm report, Jul 7, 12:55 PM CDT, 2 hours 33 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE APALACHICOLA FL
155 PM EDT WED JUL 7 1993

APPROX 110 PM EDT...
ABOUT 8 MILES SOUTH OF WEST PASS NEAR ST VINCENT ISLAND
WINDS ESTIMATED AT 60 MPH BY FISHING VESSEL CAPTAIN.
ALSO REPORTED EXTREMELY FREQUENT CLOUD TO OCEAN STRIKES
AND VERY HEAVY RAINS.

ALSO AT 109 PM THE FLORIDA HIGHWAY PATROL RELAYED THAT THE
FRANKLIN COUNTY SHERIFFS DEPT PHONE SYSTEM WAS OUT OF SERVICE
DUE TO LIGHTNING STRIKES.
Local storm report, Jul 7, 1:00 PM CDT, 2 hours 28 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE APALACHICOLA FL
155 PM EDT WED JUL 7 1993

APPROX 110 PM EDT...
ABOUT 8 MILES SOUTH OF WEST PASS NEAR ST VINCENT ISLAND
WINDS ESTIMATED AT 60 MPH BY FISHING VESSEL CAPTAIN.
ALSO REPORTED EXTREMELY FREQUENT CLOUD TO OCEAN STRIKES
AND VERY HEAVY RAINS.

ALSO AT 109 PM THE FLORIDA HIGHWAY PATROL RELAYED THAT THE
FRANKLIN COUNTY SHERIFFS DEPT PHONE SYSTEM WAS OUT OF SERVICE
DUE TO LIGHTNING STRIKES.
Special weather statement, Jul 7, 1:35 PM CDT, 1 hour 53 minutes before
FLC037-071940-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE APALACHICOLA FL
235 PM EDT WED JUL 7 1993

AT 230 PM EDT...SCATTERED THUNDERSTORMS WERE OVER THE EAST FLORIDA
PANHANDLE. THE STRONGEST THUNDERSTORMS WERE OVER GULF COUNTY FROM 5
TO 10 MILES NORTHWEST OF PORT ST JOE TO JUST NORTH OF WEWAHITCHKA.

PEOPLE SHOULD BE PREPARED FOR STRONG GUSTY WINDS...FREQUENT LIGHTNING
STRIKES AND VERY HEAVY RAINFALL.

ELSEWHERE...WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WITH VERY
HEAVY RAIN WERE OVER THE FLORIDA PANHANDLE AND BIG BEND REGION AS
WELL AS OVER THE ADJACENT GULF OUT TO 50 MILES OFF THE COAST.

NNNN

AREA SUMMARY: ISOLATED MODERATE ECHOES-FREQ CG LTGSTORM DATA:   BEARING   REFLECTIVITY   CG LIGHTNING   MOVEMENT              DEG  NM    MAX  TREND     FREQ TREND    DIR  SPD              043/010     4     +       FREQ   +      NEW   --              332/003     3     +       FREQ   +      NEW   --THUNDERSTORM AT AIRPORT: YES ORF (WITHIN 30 NM OF AIRPORT)   OBS TIME: 1815 UTCAREA SUMMARY: NO ECHOES DETECTED-NO CG LTGSTORM DATA:   NO STORMS DETECTEDTHUNDERSTORM AT AIRPORT: NO ILG (WITHIN 30 NM OF AIRPORT)   OBS TIME: 1815 UTCAREA SUMMARY: ISOLATED LIGHT ECHOES-NO CG LTGSTORM DATA:   NO STORMS DETECTEDTHUNDERSTORM AT AIRPORT: NO
Special weather statement, Jul 7, 1:45 PM CDT, 1 hour 43 minutes before
FLC037-071940-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE APALACHICOLA FL
235 PM EDT WED JUL 7 1993

AT 230 PM EDT...SCATTERED THUNDERSTORMS WERE OVER THE EAST FLORIDA
PANHANDLE. THE STRONGEST THUNDERSTORMS WERE OVER GULF COUNTY FROM 5
TO 10 MILES NORTHWEST OF PORT ST JOE TO JUST NORTH OF WEWAHITCHKA.

PEOPLE SHOULD BE PREPARED FOR STRONG GUSTY WINDS...FREQUENT LIGHTNING
STRIKES AND VERY HEAVY RAINFALL.

ELSEWHERE...WIDELY SCATTERED4 SHOWERS AND THUNDERSTORMS WITH VERY
HEAVY RAIN WERE OVER THE FLORIDA PANHANDLE AND BIG BEND REGION AS
WELL AS OVER THE ADJACENT GULF OUT TO 50 MILES OFF THE COAST.

NNNN
Special weather statement, Jul 7, 1:47 PM CDT, 1 hour 41 minutes before
FLC037-071940-

SPECIAL WEATHER STATEMENT...CORRECTION FOR MOVEMENT...
NATIONAL WEATHER SERVICE APALACHICOLA FL
235 PM EDT WED JUL 7 1993

AT 230 PM EDT...SCATTERED THUNDERSTORMS WERE OVER THE EAST FLORIDA
PANHANDLE. THE STRONGEST THUNDERSTORMS WERE OVER GULF COUNTY FROM 5
TO 10 MILES NORTHWEST OF PORT ST JOE TO JUST NORTH OF WEWAHITCHKA.

PEOPLE SHOULD BE PREPARED FOR STRONG GUSTY WINDS...FREQUENT LIGHTNING
STRIKES AND VERY HEAVY RAINFALL.

MOVEMENT WAS TO THE NORTHWEST AT 5 MILES AN HOUR.

ELSEWHERE...WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WITH VERY
HEAVY RAIN WERE OVER THE FLORIDA PANHANDLE AND BIG BEND REGION AS
WELL AS OVER THE ADJACENT GULF OUT TO 50 MILES OFF THE COAST.

>

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 11:57 AM CDTSevere Thunderstorm WarningTAEFranklin33 min
Jul 7, 6:49 PM CDTSevere Thunderstorm WarningTAETift, Worth56 min

Nearby

Severe Thunderstorm Warnings in Florida, 1993Every severe thunderstorm warning in 1993

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.