Alert archive / Florida / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 3, NWS Tallahassee, FL

March 1, 1991Escambia County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 1, 1991, 12:47 PM CST for Escambia County, Florida. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Mar 1, 1991, 12:47 PM CST (18:47 UTC)
Expired
Mar 1, 1991, 1:45 PM CST
In force
58 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Escambia County, FL

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 6.8 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 1991-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 60 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 1991-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 348 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
60 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
582 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
348 m²/s²
0-3 km storm-relative helicity
409 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

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The text

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

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 1, 2:04 PM CSTSevere Thunderstorm WarningTAESanta Rosa56 min
Mar 1, 2:35 PM CSTSevere Thunderstorm WarningTAEEscambia55 min
Mar 1, 2:59 PM CSTSevere Thunderstorm WarningTAEOkaloosa, Santa Rosa61 min

Nearby

Severe Thunderstorm Warnings in Florida, 1991Every severe thunderstorm warning in 1991

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.