Alert archive / Florida / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 182, NWS Tallahassee, FL

August 15, 1995Jefferson County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 15, 1995, 8:20 PM EDT for Jefferson County, Florida. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Aug 15, 1995, 8:20 PM EDT (00:20 UTC)
Expired
Aug 15, 1995, 9:00 PM EDT
In force
40 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Jefferson County, FL

The radar

The Tallahassee radar (KTLH), 41 km from the middle of the area, began a volume at 00:19 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 00:00Z, 0.3 hours before the alert went out and 38 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 00:00Z on 1995-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2807 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 00:00Z on 1995-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 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
2807 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
1493 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
153 m²/s²
Significant tornado parameter
0.7
Supercell composite
10.4

Open this sounding in Storm Lab

The text

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

000 
WUUS1 KTLH 160021 RRA
SVRTLH
FLC065-160100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
820 PM EDT TUE AUG 15 1995
 
THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  900 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH FLORIDA
 
   ...JEFFERSON COUNTY
 
AT 815 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM OVER NORTHERN JEFFERSON COUNTY NORTHWEST OF
MONTICELLO. THIS NEW SEVERE THUNDERSTORM WILL LIKELY PRODUCE WIND DAMAGE
ACROSS THE NORTHERN PART OF THE COUNTY DURING THE NEXT HALF HOUR.
SIMILAR STORMS HAVE PRODUCED WIND DAMAGE ACROSS THE FLORIDA BIG BEND
EARLIER THIS EVENING.
 
 
SEVERE THUNDERSTORMS PRODUCE WINDS OF 58 MPH OR HIGHER... LARGE
HAIL... DANGEROUS LIGHTNING AND VERY HEAVY RAIN.  IF YOU ARE IN THE
PATH OF THIS STORM... GO TO A SAFE PLACE IMMEDIATELY.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 15, 8:37 PM EDTSevere Thunderstorm WarningTAELeon68 min
Aug 15, 8:59 PM EDTSevere Thunderstorm WarningTAEFranklin46 min
Aug 16, 2:48 AM EDTSevere Thunderstorm WarningTAEFranklin, Gulf57 min
Aug 16, 3:48 PM EDTSevere Thunderstorm WarningTAEBay42 min
Aug 16, 6:53 PM EDTSevere Thunderstorm WarningTAECalhoun43 min

Nearby

Severe Thunderstorm Warnings in Florida, 1995Every severe thunderstorm warning in 1995

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.