Alert archive / Florida / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 5, NWS Tallahassee, FL

February 2, 1996Taylor County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Feb 2, 1996, 4:20 PM EST for Taylor County, Florida. It was in force for 55 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 2, 1996, 4:20 PM EST (21:20 UTC)
Expired
Feb 2, 1996, 5:15 PM EST
In force
55 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Taylor County, FL

The radar

The Tallahassee radar (KTLH), 80 km from the middle of the area, began a volume at 21:22 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.

What was reported inside it

TimeReportWhereRemark
Feb 2, 4:30 PM ESTThunderstorm WindNorthern Part, FL

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 9.3 hours before the alert went out and 78 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 1996-02-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 141 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 1996-02-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 176 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
141 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
728 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
176 m²/s²
0-3 km storm-relative helicity
17 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

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.

NWS Tallahassee, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Feb 2, 3:24 PM EST, 56 minutes earlier.

Area forecast discussion, Feb 2, 3:24 PM EST, 56 minutes before
ALZ065>069-FLZ007>019-026>029-034-030800-

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TALLAHASSEE FL
253 PM EST FRI FEB 2 1996

18 UTC MAPS DATA SHOWS 1006 MB LOW 100 MILES SW OF AQQ. ISALOBARIC
ANALYSIS SHOWS BEST 3-HOUR PRESSURE FALLS ACROSS NORTH FL (4 MB
FALLS)...SO ETA/NGM LOOK REASONABLE IN TIMING & MOVEMENT OF SFC LOW.
THIS MEANS COLD FRONT & PRECIP WILL CLEAR FA WELL BEFORE
SUNRISE...THEN COLD AIR ADVECTION BEGINS...WITH BITTERLY COLD ARCTIC
AIR ARRIVING SUNDAY MORNING (AND STAYING THRU MONDAY). LOOKS LIKE
NGM/FWC GUIDANCE IS WAY TOO WARM. ETA 1000 MB TEMP FORECAST LOOKED
MORE REASONABLE...AS DID FAN GUIDANCE. EVEN SO...I DECIDED TO GO
COLDER THAN THIS GUIDANCE BASED ON ARCTIC OUTBREAKS OF THE PAST. THIS
EVENT LOOKS SIMILAR TO THE OUTBREAKS OF DEC 1983 AND JAN 1985...WHERE
THERE WAS A LOT OF SNOW AND COLD GROUND IN THE PLAINS TO KEEP ARCTIC
AIR FROM MODIFYING. LOOKS LIKE LOWS WILL BE IN LOWER TEENS MONDAY
MORNING. FIGURE` ITS BETTER TO GO ON THE COLD SIDE FOR AGRICULTURAL &
EMERGENCY MANAGEMENT INTERESTS (WE HAVE ALREADY HAD CALLS ABOUT
OPENING SHELTERS THIS WEEKEND).

1) 45/45/16/32 9000
2) 49/49/18/34 9000
3) 48/48/17/33 9000

FOURNIER

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 2, 3:31 PM ESTTornado WarningTAEFranklin29 min
Feb 2, 4:43 PM ESTSevere Thunderstorm WarningTAEMadison62 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.