Alert archive / Florida / Severe Thunderstorm Warnings in 1988

Severe Thunderstorm Warning 21, NWS Tallahassee, FL

May 10, 1988Santa Rosa County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at May 10, 1988, 5:49 PM CDT for Santa Rosa County, Florida. It was in force for 56 min.

The area

The counties it named.

The facts

Issued
May 10, 1988, 5:49 PM CDT (22:49 UTC)
Expired
May 10, 1988, 6:45 PM CDT
In force
56 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Santa Rosa 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

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 10.8 hours before the alert went out and 55 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, Eglin AFB/Valpar, FL at 12:00Z on 1988-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1262 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Eglin AFB/Valpar, FL at 12:00Z on 1988-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
1262 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
670 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPNS 102251
SVRPNS
FLC059-091-113-131-133-102345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PENSACOLA FL
549 PM CDT TUE MAY 10 1988
 
THE NATIONAL WEATHER SERVICE IN PENSACOLA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  645 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN NORTHWEST FLORIDA
          ...HOLMES...NORTHERN OKALOOSA...NORTHERN SANTA ROSA
          ...NORTH CENTRAL WALTON...WASHINGTON
 
RADAR CONTINUES TO INDICATE VERY LARGE AND SEVERE THUNDERSTORMS OVER
THE WARNED AREAS OF THE WESTERN FLORIDA PANHANDLE. HAIL HAS BEEN
REPORTED BY SEVERAL GOVERNMENT AGENCIES IN THESE AREAS.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLwE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 4:46 PM CDTSevere Thunderstorm WarningTAEOkaloosa, Santa Rosa, Walton59 min
May 10, 4:46 PM CDTSevere Thunderstorm WarningTAEEscambia59 min
May 10, 5:02 PM CDTSevere Thunderstorm WarningTAEHolmes, Washington58 min
May 10, 5:49 PM CDTSevere Thunderstorm WarningTAEHolmes, Okaloosa, Walton, Washington56 min

Nearby

Severe Thunderstorm Warnings in Florida, 1988Every severe thunderstorm warning in 1988

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.