Alert archive / Florida / Tornado Warnings in 1989

Tornado Warning 21, NWS Tallahassee, FL

July 4, 1989Escambia County, Florida

NWS Tallahassee, FL issued this tornado warning at Jul 4, 1989, 12:56 PM CDT for Escambia County, Florida. It was in force for 49 min.

The area

The counties it named.

The facts

Issued
Jul 4, 1989, 12:56 PM CDT (17:56 UTC)
Expired
Jul 4, 1989, 1:45 PM CDT
In force
49 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Escambia County, FL

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 5.9 hours before the alert went out and 230 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, Slidell Radar S, LA at 12:00Z on 1989-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1688 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, Slidell Radar S, LA at 12:00Z on 1989-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.1939Sfc1 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
1688 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
559 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPNS 041802
TORPNS
FLC033-041845-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PENSACOLA FL
1256 PM CDT TUE JUL 4 1989
 
THE NATIONAL WEATHER SERVICE IN PENSACOLA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  145 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTHWEST FLORIDA
          ...SOUTHERN ESCAMBIA
 
A TORNADO WAS REPORTED AT OR NEAR GULF SHORES ALABAMA MOVING TO THE
NORTHEAST AT 25 MILES AN HOUR. IF THE FUNNEL CLOUD OR TORNADO
DOES NOT DISSIPATE...THE STORM WILL MOVE INTO SOUTHERN ESCAMBIA COUNTY
WITHIN A SHORT TIME.
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE.  OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 9:48 AM CDTTornado WarningTAEOkaloosa27 min

Nearby

Tornado Warnings in Florida, 1989Every tornado warning in 1989Tornadoes in 1989

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.