Alert archive / Florida / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 16, NWS Tallahassee, FL

March 30, 1993Okaloosa County, Walton County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 30, 1993, 3:33 PM CST for Okaloosa County, Walton County, Florida. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
Mar 30, 1993, 3:33 PM CST (21:33 UTC)
Expired
Mar 30, 1993, 4:30 PM CST
In force
57 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

Counties Okaloosa County, FL, Walton County, FL

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 12:00Z, 9.6 hours before the alert went out and 263 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, Centreville/Bibb, AL at 12:00Z on 1993-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Centreville/Bibb, AL at 12:00Z on 1993-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2241 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
111 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Mar 30, 12:29 PM CST, 3 hours 4 minutes before
FLZ003-005-GAZ011-301930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
129 PM EST (1229 PM CST) TUE MAR 30 1993

...STRONG THUNDERSTORMS MOVING INTO JACKSON AND CALHOUN COUNTIES OF
NORTH FLORIDA...

AT 125 PM EST NATIONAL WEATHER SERVICE RADAR INDICATED A BAND OF STRONG
THUNDERSTORMS MOVING ACROSS HOLMES...WASHINGTON...AND
CALHOUN COUNTIES OF NORTH FLORIDA. THESE STORMS WILL BEGIN TO AFFECT
PORTIONS OF JACKSON COUNTY WITHIN THE NEXT HOUR OR SO.  SHOWERS AND
THUNDERSTORMS WILL BE SPREADING ACROSS THE REMAINDER OF THE BIG BEND OF
FLORIDA AND PORTIONS OF EXTREME SOUTHWESTERN GEORGIA DURING THE
REMAINDER OF THIS AFTERNOON AND THIS EVENING.

THESE STORMS WILL BE ACCOMPDANIED BY STRONG GUSTY WINDS...BRIEF HEAVY
RAINS...FREQUENT DANGEROUS LIGHTNING...AND PERHAPS SOME SMALL HAIL AS
THEY MOVE EAST NORTHEASTWARD ACROSS THE AREA AT 25 MPH.

STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER INFORMATION.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 30, 1:32 PM CSTSevere Thunderstorm WarningTAEEscambia, Santa Rosa58 min
Mar 30, 2:27 PM CSTSevere Thunderstorm WarningTAEEscambia, Okaloosa, Santa Rosa63 min
Mar 30, 3:33 PM CSTSevere Thunderstorm WarningTAEEscambia, Santa Rosa57 min

Nearby

Severe Thunderstorm Warnings in Florida, 1993Every severe thunderstorm warning in 1993

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.