Alert archive / Florida / Tornado Warnings in 1990

Tornado Warning 7, NWS Tallahassee, FL

February 10, 1990Gulf County, Florida

NWS Tallahassee, FL issued this tornado warning at Feb 10, 1990, 9:07 AM CST for Gulf County, Florida. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
Feb 10, 1990, 9:07 AM CST (15:07 UTC)
Expired
Feb 10, 1990, 10:00 AM CST
In force
53 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Gulf 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

Apalachicola Mun, FL (KAQQ), launched 12:00Z, 3.1 hours before the alert went out and 32 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, Apalachicola Mun, FL at 12:00Z on 1990-02-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1210 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, Apalachicola Mun, FL at 12:00Z on 1990-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 261 square meters per square second.1939587897117Sfc1 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
1210 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
585 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
261 m²/s²
0-3 km storm-relative helicity
267 m²/s²
Significant tornado parameter
2.0
Supercell composite
10.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAQQ 101514
TORAQQ
FLC045-101600-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE APALACHICOLA FL
1007 AM EST SAT FEB 10 1990
 
THE NATIONAL WEATHER SERVICE IN APALACHICOLA HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1100 AM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTHWEST FLORIDA
          ...GULF
 
AT 1005 AM EST...SHERRIFF'S OFFICE IN GULF COUNTY HAS REPORTED SEVERAL
FUNNEL CLOUDS IN WESTERN GULF COUNTY. NEAR PORT ST JOE BEACH AND NEAR
WEWAHITCHKA FLORIDA. MOVEMENT WAS TO THE NORTHEAST AT 35 MILES AN
HOUR.
 
IF YOU ARE C@\\\@@@@@\@@@@@\\\@@@@\\\@@@@@UR HEAD WITH YOUR HANDS.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 3:49 AM CSTSevere Thunderstorm WarningTAEEscambia, Santa Rosa56 min
Feb 10, 8:14 AM CSTTornado WarningTAEEscambia, Santa Rosa61 min
Feb 10, 8:32 AM CSTSevere Thunderstorm WarningTAEOkaloosa58 min
Feb 10, 9:44 AM CSTSevere Thunderstorm WarningTAEWakulla31 min

Nearby

Tornado Warnings in Florida, 1990Every tornado warning in 1990Tornadoes in 1990

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.