Alert archive / Florida / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 13, NWS Tallahassee, FL

April 15, 1994Holmes County, Washington County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Apr 15, 1994, 10:08 PM CDT for Holmes County, Washington County, Florida. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
Apr 15, 1994, 10:08 PM CDT (03:08 UTC)
Expired
Apr 15, 1994, 11:15 PM CDT
In force
67 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

Counties Holmes County, FL, Washington County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 3.1 hours before the alert went out and 143 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 1994-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 805 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 1994-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
805 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
677 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPNS 160308
SVRPNS
FLC059-133-160415-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PENSACOLA FL
1008 PM CDT FRI APR 15 1994
 
THE NATIONAL WEATHER SERVICE IN PENSACOLA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...S...
 
IN NORTHWEST FLORIDA
 
   ...HOLMES COUNTY...WASHINGTON COUNTY
 
A SOLID LINE OF STRONG THUNDERSTORMS WITH A HISTORY OF PRODUCING
STRONG DAMAGING WINDS STRETCHED ACROSS THE NORTHWEST CORNER OF
HOLMES COUNTY.
 
RADAR INDICATED THAT THE LINE OF STORMS WAS MOVING TOWARD THE
WARNED AREA AT 35 MILES AN HOUR.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTR|UCTIVE 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 15, 8:39 PM CDTTornado WarningTAEEscambia, Santa Rosa66 min
Apr 15, 9:30 PM CDTSevere Thunderstorm WarningTAEWalton60 min
Apr 15, 9:40 PM CDTTornado WarningTAEOkaloosa, Walton65 min
Apr 15, 10:49 PM CDTSevere Thunderstorm WarningTAEJackson56 min
Apr 16, 12:39 AM CDTSevere Thunderstorm WarningTAEGadsden51 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.