Alert archive / Florida / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 9, NWS Tallahassee, FL

April 12, 1994Okaloosa County, Santa Rosa County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 12, 1994, 11:56 PM CDT for Okaloosa County, Santa Rosa County, Florida. It was in force for 64 min.

The area

The counties it named.

The facts

Issued
Apr 12, 1994, 11:56 PM CDT (04:56 UTC)
Expired
Apr 13, 1994, 1:00 AM CDT
In force
64 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

Counties Okaloosa County, FL, Santa Rosa County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 4.9 hours before the alert went out and 242 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 1994-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1994-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 172 square meters per square second.193958Sfc1 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
14 J/kg
Mixed-layer CIN
-172 J/kg
Mixed-layer LCL
991 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
172 m²/s²
0-3 km storm-relative helicity
203 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPNS 130503
SVRPNS
FLC091-113-130600-

BULLETIN - IMMEDIATE BROADCAST REQUESTED    CORRECTION FOR ISSUE DATE...
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PENSACOLA FL
1156 PM CDT TUE APR 12 1994

THE NATIONAL WEATHER SERVICE IN PENSACOLA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  100 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONSS...

IN NORTHWEST FLORIDA

   ...OKALOOSA COUNTY...SANTA ROSA COUNTY




AT 1145 PM CDT A LARGE THUNDERSTORM WAS INDICATED IN CENTRAL SANTA ROSA
COUNTY...AND WAS MOVING INTO OKALOOSA COUNTY. THIS THUNDERSTORM IS PART
OF A SMALL TIGHT CLUSTER OF THUNDERSTORMS THAT PRODUCED A TORNDAO NEAR
MOLINO IN ESCAMBIA COUNTY FLORIDA.

THE STORM STILL HAS THE POTENTIAL OF DAMAGING WINDS AS IT MOVES EASTELY
AROUND 25 MILES AN HOUR.

RESIDENTS IN SANTA ROSA AND OKALOOSA COUNTIES OF FLORIDA SHOULD REMAIN
ALERT AND LISTEN FOR LATER STATEMENTS OR WARNINGS.


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.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 13, 12:43 AM CDTSevere Thunderstorm WarningTAEOkaloosa, Walton62 min

Nearby

Severe Thunderstorm Warnings in Florida, 1994Every severe thunderstorm warning in 1994

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.