Alert archive / Florida / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 83, NWS Tallahassee, FL

May 11, 1995Holmes County, Walton County, Washington County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at May 11, 1995, 11:20 PM CDT for Holmes County, Walton County, Washington County, Florida. It was in force for 32 min.

The area

The counties it named.

The facts

Issued
May 11, 1995, 11:20 PM CDT (04:20 UTC)
Expired
May 11, 1995, 11:52 PM CDT
In force
32 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

Counties Holmes County, FL, Walton County, FL, Washington County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 4.3 hours before the alert went out and 155 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 00:00Z on 1995-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2726 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 00:00Z on 1995-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 142 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
2726 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
761 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
142 m²/s²
0-3 km storm-relative helicity
204 m²/s²
Significant tornado parameter
2.9
Supercell composite
14.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPNS 120422
SVRPNS
FLC059-131-133-120515-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PENSACOLA FL
1120 PM CDT THU MAY 11 1995
 
THE NATIONAL WEATHER SERVICE IN PENSACOLA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1215 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...S...
 
IN NORTHWEST FLORIDA
 
   ...HOLMES COUNTY...EASTERN WALTON COUNTY...WASHINGTON COUNTY...
 
AT 1115 PM CDT NEW SEVERE THUNDERSTORMS HAVE RAPIDLY DEVELOPED OVER EAST
WALTON...SOUTHERN HOLMES...AND NORTHWESTERN WASHINGTON COUNTIES. THESE
STORMS WERE MOVING TO THE EAST AROUND 40 MPH.
 
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, May 11, 7:45 PM CDT, 3 hours 35 minutes before
FLZ014-015-112045-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE APALACHICOLA FL
825 PM EDT THU MAY 11 1995

...SEVERE THUNDERSTORM WATCH FOR GULF COUNTY UNTIL 1200 MIDNIGHT
EDT/1100 CDT...

AT 825 PM EDT...STRONG THUNDERSTORMS HAVE FORMED OVER GULF AND THE
NORTHERN PORTION OF FRANKLIN COUNTIES.  THESE STORMS POSE THE THREAT
OF STRONG GUSTY WINDS...DANGEROUS LIGHTNING...HEAVY RAIN...AND SMALL
HAIL.  THEY ARE MOVING TO THE EAST AT 35 MILES AN HOUR.  SEEK SHELTER
WHEN THESE STORMS APPROACH.

ELSEWHERE...SCATTERED THUNDERSTORMS...SOME WITH VERY HEAVY
RAIN...WERE OVER NORTH FLORIDA...THE PANHANDLE...THE BIG BEND...AND
THE GULF.

THE THUNDERSTORMS WERE LOCATED IN A 185B MILE WIDE AREA EXTENDING FROM
BEYOND 125 MILES EAST TO BEYOND 125 MILES WEST OF APALACHICOLA
FLORIDA.

MOVEMENT WAS TO THE EAST AT 35 MILES AN HOUR.

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL BROADCAST FOR FURTHER
UPDATES.
Special weather statement, May 11, 8:45 PM CDT, 2 hours 35 minutes before
FLZ014-015-112045-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE APALACHICOLA FL
933 PM EDT THU MAY 11 1995

...SEVERE THUNDERSTORM WATCH FOR GULF COUNTY UNTIL 1200 MIDNIGHT
EDT/1100 CDT...

AT 933 PM EDT...STRONG THUNDERSTORMS HAVE FORMED OVER GULF AND THE
NORTHERN PORTION OF FRANKLIN COUNTIES AND OTHERS APPROACH FROM THE
GULF FROM THE SOUTHWEST.  THESE STORMS POSE THE THREAT OF STRONG
GUSTY WINDS...DANGEROUS LIGHTNING...HEAVY RAIN...AND SMALL
HAIL.  THEY ARE MOVING TO THE EAST AT 35 MILES AN HOUR.  SEEK SHELTER
WHEN THESE STORMS APPROACH.

ELSEWHERE...SCATTERED THUNDERSTORMS...SOME WITH VERY HEAVY
RAIN...WERE OVER NORTH FLORIDA...THE PANHANDLE...THE BIG BEND...AND
THE GULF.

THE THUNDERSTORMS WERE LOCATED IN A 160 MILE WIDE AREA EXTENDING FROM
BEYOND 125 MILES EAST TO 125 MILES WEST OF APALACHICOLA FLORIDA.

MOVEMENT WAS TO THE EAST AT 35 MILES AN HOUR.

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL BROADCAST FOR FURTHER
UPDATES.

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 8:13 PM CDTSevere Thunderstorm WarningTAEGulf62 min
May 11, 8:57 PM CDTSevere Thunderstorm WarningTAEFranklin63 min
May 11, 9:03 PM CDTSevere Thunderstorm WarningTAEWakulla57 min
May 11, 10:03 PM CDTSevere Thunderstorm WarningTAEHolmes37 min
May 11, 10:40 PM CDTSevere Thunderstorm WarningTAEHolmes35 min
May 12, 12:19 PM CDTSevere Thunderstorm WarningTAEWalton26 min
May 12, 12:32 PM CDTSevere Thunderstorm WarningTAEGadsden31 min
May 12, 12:38 PM CDTSevere Thunderstorm WarningTAELeon52 min

Nearby

Severe Thunderstorm Warnings in Florida, 1995Every severe thunderstorm warning in 1995

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.