Alert archive / Florida / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 77, NWS Tallahassee, FL

May 11, 1995Jackson County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at May 11, 1995, 6:00 PM CDT for Jackson County, Florida. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
May 11, 1995, 6:00 PM CDT (23:00 UTC)
Expired
May 11, 1995, 7:00 PM CDT
In force
60 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Jackson County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 11.0 hours before the alert went out and 98 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 1995-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2421 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 1995-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 154 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
2421 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
469 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
154 m²/s²
0-3 km storm-relative helicity
155 m²/s²
Significant tornado parameter
0.0
Supercell composite
9.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTLH 112302
SVRTLH
FLC063-120000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
700 PM EDT (600 PM CDT) THU MAY 11 1995
 
THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  800 PM EDT (700 PM CDT)
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH FLORIDA
 
   ...NORTHERN JACKSON COUNTY
 
WEATHER SERVICE DOPPLER RADAR HAS DETECTED A SEVERE THUNDERSTORM 10
MILES WEST OF GRACEVILLE...IN NORTHWEST JACKSON COUNTY. THE STORM WILL
LIKELY PRODUCE LARGE HAIL AND WIND GUSTS IN EXCESS OF 60 MPH IN AND
AROUND GRACEVILLE BY 615 PM CDT.
 
SEVERE THUNDERSTORMS PRODUCE WINDS OF 58 MPH OR HIGHER... LARGE
HAIL... DANGEROUS LIGHTNING AND VERY HEAVY RAIN.  IF YOU ARE IN THE
PATH OF THIS STORM... GO TO A SAFE PLACE IMMEDIATELY.

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, 12:50 PM CDT, 5 hours 10 minutes before
FLZ014-111845-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE APALACHICOLA FL
150 PM EDT THU MAY 11 1995

...VERY STRONG THUNDERSTORMS ABOUT TO MOVE OVER NORTHERN GULF COUNTY...

AT 145 PM EDT...A CLUSTER OF VERY STRONG THUNDERSTORMS WAS OVER BAY
COUNTY AND GETTING READY TO ENTER NORTHERN GULF COUNTY. THESE STORMS
COULD AFFECT WEWAHITCHKA AROUND 215 PM EDT/115 PM CDT. THESE STORMS HAVE
HAD A HISTORY OF PRODUCING LARGE HAIL AND WINDS IN EXCESS OF 55 MILES AN
HOUR.

RESIDENTS SHOULD BE PREPARED FOR THE POSSIBILITY OF STRONG GUSTY
WINDS...SMALL HAIL...TORRENTIAL RAINFALL...AND FREQUENT DANGEROUS
LIGHTNING.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL BROADCAST FOR FURTHER
UPDAT0ES.

NNNN
Special weather statement, May 11, 1:40 PM CDT, 4 hours 20 minutes before
FLZ014-015-111945-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE APALACHICOLA FL
230 PM EDT WED MAY 10 1995

...STRONG THUNDERSTORMS MOVING ACROSS NORTHERN GULF COUNTY...
...SEVERE THUNDERSTORM WATCH FOR GULF AND FRANKLIN COUNTIES UNTIL 5PM
EDT/4PM CDT...

AT 230 PM EDT/130 PM CDT...STRONG THUNDERSTORMS CONTINUED MOVING
ACROSS NORTHERN GULF COUNTY.  OTHER THUNDERSTORMS WERE LINGERING JUST
NORTH OF PANAMA CITY AND WILL SOON MOVE INTO NORTHERN GULF COUNTY.
MOVEMENT WAS TO THE EAST AT 25 MILES AN HOUR.

RESIDENTS AND VISITORS CAN CONTINUE TO EXPECT STRONG GUSTY
WINDS...VERY HEAVY RAINFALL...FREQUENT DANGEROUS LIGHTNING...AND THE
POSSIBILITY OF SMALL HAIL.

ELSEWHERE...SCATTERED THUNDERSTORMS...SOME WITH VERY HEAVY
RAIN...WERE OVER NORTH FLORIDA AND THE BIG BEND.  THE STRONGEST
THUNDERSTORMS WERE OVER SOUTHERN LIBERTY COUNTY AND ALONG THE
NORTHERN SHORE OF APALACHEE BAY.

MOVEMENT WAS TO THE EAST AT 25 MILES AN HOUR.

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL BROADCAST FOR FURTHER
UPDATES.
Special weather statement, May 11, 2:40 PM CDT, 3 hours 20 minutes before
FLZ014-015-112045-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE APALACHICOLA FL
332 PM EDT WED MAY 10 1995

...THUNDERSTORMS HAVE FORMED OVER THE FRANKLIN COUNTY COASTAL
WATERS...
...SEVERE THUNDERSTORM WATCH FOR GULF AND FRANKLIN COUNTIES UNTIL 5PM
EDT/4PM CDT...

AT 332 PM EDT...NEW THUNDERSTORMS HAD FORMED OVER THE COASTAL WATERS
OF FRANKLIN COUNTY.  THESE THUNDERSTORMS ARE ABOUT 5 MILES OFFSHORE
FROM CARRABELLE TO ALLIGATOR POINT.  THEY POSE A THREAT MOSTLY TO
MARINERS.  MARINERS SHOULD KEEP AN EYE TO THE SKY AND BE PREPARED FOR
STRONG GUSTY WINDS...DANGEROUS LIGHTNING...AND THE POSSIBILITY OF
WATERSPOUTS.  BE READY TO HEAD FOR SAFE HARBOR.

ELSEWHERE...SCATTERED THUNDERSTORMS...SOME WITH VERY HEAVY
RAIN...WERE OVER NORTH FLORIDA...THE PANHANDLE...AND THE BIG BEND.
AN ISOLATED THUNDERSTORM...WITH VERY HEAVY RAIN...WAS 30 MILES WEST
OF ALBANY GEORGIA.

MOVEMENT WAS TO THE EAST AT 25 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, 5:21 AM CDTSevere Thunderstorm WarningTAEHolmes, Walton69 min
May 11, 7:02 AM CDTSevere Thunderstorm WarningTAEJackson33 min
May 11, 9:00 AM CDTSevere Thunderstorm WarningTAELeon26 min
May 11, 9:10 AM CDTSevere Thunderstorm WarningTAEJefferson65 min
May 11, 9:45 AM CDTSevere Thunderstorm WarningTAEMadison60 min
May 11, 12:23 PM CDTSevere Thunderstorm WarningTAEBay37 min
May 11, 3:48 PM CDTSevere Thunderstorm WarningTAEHolmes27 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.