Alert archive / Florida / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 22, NWS Tallahassee, FL

March 7, 1996Calhoun County, Gadsden County, Liberty County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Mar 7, 1996, 8:27 AM CST for Calhoun County, Gadsden County, Liberty County, Florida. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 7, 1996, 8:27 AM CST (14:27 UTC)
Expired
Mar 7, 1996, 9:00 AM CST
In force
33 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

Counties Calhoun County, FL, Gadsden County, FL, Liberty County, FL

The radar

The Tallahassee radar (KTLH), 55 km from the middle of the area, began a volume at 14:28 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 2.5 hours before the alert went out and 57 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, Tallahassee Rgnl, FL at 12:00Z on 1996-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 881 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, Tallahassee Rgnl, FL at 12:00Z on 1996-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
881 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
520 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.4

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.

NWS Tallahassee, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 6, 1:57 PM CST, 18 hours 30 minutes earlier.

Area forecast discussion, Mar 6, 1:57 PM CST, 18 hours 30 minutes before
ALZ065>069-FLZ007>019-026>029-034-062115-

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TALLAHASSEE FL
255 PM EST WED MAR 6 1996

NGM AND ETA SIMILAR IN BRINGING SYSTEM THRU THE FCST AREA LATE TONIGHT
AND ON THU. MDLS DVLP SFC LOW OVR NORTHERN PORTIONS OF DIXIE STATES BY
12Z THU WITH TROF AXIS EXTENDING TO CNTRL GLF CST RGN. SFC LOW THEN
SWEEPS INTO CAROLINA'S/MID ATLANTIC LATE EVENING ON THU. PLENTY OF
MSTR WILL BE TRANSPORTED INTO FA ON STRONG 850 JET (30-50 KTS).
MODERATE TO STRONG INSTABILITY WITH LI'S -3 TO -5. DYNAMICS ALSO FAVOR
SVR WX DVLPMNT WITH WIND PROFILES INDICATING FAIRLY HIGH HELICITIES.
FRNT SHUD MOVE THRU FA EARLY THU EVENING WITH PLENTY OF CAA OVRNITE ON
THU. FWC POPS AND TEMPS LOOK REASONABLE EXPECT FOR SOME ADJUSTMENTS.

1) 64/71/34/47 6820
2) 67/72/45/55 6720
3) 65/73/41/50 5730

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 7, 11:01 AM CSTSevere Thunderstorm WarningTAEMadison, Taylor29 min
Mar 6, 6:12 PM CSTTornado WarningTAEGrady33 min
Mar 6, 6:35 PM CSTSevere Thunderstorm WarningTAEThomas25 min
Mar 7, 8:51 AM CSTSevere Thunderstorm WarningTAEGrady, Mitchell39 min

Nearby

Severe Thunderstorm Warnings in Florida, 1996Every severe thunderstorm warning in 1996

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; radar from the NEXRAD Level II archive.