Alert archive / Florida / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 86, NWS Tallahassee, FL

May 12, 1995Leon County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at May 12, 1995, 1:38 PM EDT for Leon County, Florida. It was in force for 52 min.

The area

The counties it named.

The facts

Issued: May 12, 1995, 1:38 PM EDT (17:38 UTC)
Expired: May 12, 1995, 2:30 PM EDT
In force: 52 min
Issued by: NWS Tallahassee, FL
Area: Whole counties

County Leon County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 5.6 hours before the alert went out and 7 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: 1454 J/kg
Mixed-layer CIN: -45 J/kg
Mixed-layer LCL: 677 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 191 m²/s²
0-3 km storm-relative helicity: 222 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTLH 121742
SVRTLH
FLC073-121830-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
138 PM EDT FRI MAY 12 1995
 
THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  230 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH FLORIDA
 
   ...CENTRAL LEON COUNTY
 
AT 140 PM NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM
IN THE TALLHASSEE AREA. NUMEROUS REPORTS OF MARBLE TO GOLFBALL SIZED
HAIL IN DOWNTOWN TALLAHASSEE HAVE BEEN RECEIVED DURING THE PAST FEW
MINUTES.
 
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 12, 1:13 PM EDT, 25 minutes before

FLZ014-015-121915-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE APALACHICOLA FL
113 PM EDT FRI MAY 12 1995

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR GULF AND FRANKLIN
COUNTIES UNTIL 800 PM EDT/700 PM CDT...

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF THE FLORIDA
PANHANDLE INCLUDING GULF AND FRANKLIN COUNTIES.  THERE WERE SEVERAL VERY
STRONG THUNDERSTORMS LOCATED OVER THE WEST FLORIDA PANHANDLE.  THESE
THUNDERSTORME COULD CONTAIN LARGE HAIL...STRONG GUSTY WINDS...FREQUENT
LIGHTNING AND VERY HEAVY DOWNPOURS.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONITIONS ARE FAVORABLE FOR
THE DEVELOPMENT OF SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PEOPLE IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER
CONDITIONS AND STAY TUNED TO NOAA WEATHER RADIO OR YOUR LOCAL BROADCAST
STATION FOR ALL FURTHER UPDATES OR WARNINGS.

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 11, 9:13 PM EDT	Severe Thunderstorm Warning	TAE	Gulf	62 min
May 11, 9:57 PM EDT	Severe Thunderstorm Warning	TAE	Franklin	63 min
May 11, 10:03 PM EDT	Severe Thunderstorm Warning	TAE	Wakulla	57 min
May 11, 11:03 PM EDT	Severe Thunderstorm Warning	TAE	Holmes	37 min
May 11, 11:40 PM EDT	Severe Thunderstorm Warning	TAE	Holmes	35 min
May 12, 12:20 AM EDT	Severe Thunderstorm Warning	TAE	Holmes, Walton, Washington	32 min
May 12, 1:19 PM EDT	Severe Thunderstorm Warning	TAE	Walton	26 min
May 12, 1:32 PM EDT	Severe Thunderstorm Warning	TAE	Gadsden	31 min

Nearby

Severe Thunderstorm Warnings in Florida, 1995 Every 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.