Alert archive / Georgia / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 41, NWS Tallahassee, FL

August 1, 1986Cook County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Aug 1, 1986, 8:48 PM EDT for Cook County, Georgia. It was in force for 42 min.

The area

The counties it named.

The facts

Issued
Aug 1, 1986, 8:48 PM EDT (00:48 UTC)
Expired
Aug 1, 1986, 9:30 PM EDT
In force
42 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

County Cook County, GA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Jacksonville, FL (KAYS), launched 00:00Z, 0.8 hours before the alert went out and 180 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, Jacksonville, FL at 00:00Z on 1986-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3383 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, Jacksonville, FL at 00:00Z on 1986-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 square meters per square second.1939Sfc1 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
3383 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1741 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
72 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, Aug 1, 7:59 PM EDT, 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
800PM EDT FRI AUG 1 1986

AT 8 PM A VERY STRONG THUNDERSTORM OVER QUITMAN IN BROOKS COUNTY OF
SOUTH CENTRAL GEORGIA. THE THUNDERSTORM WAS MOVING SOUTH AT 15 MPH
AND WILL PRODUCE STRONG GUSTY WINDS FREQUENT DANGEROUS LIGHTNING AND
TORRENTIAL RAIN AS IT MOVES SOUTH TOWARD THE FLORIDA LINE.
SMALL HAIL MAY ALSO OCCUR WITH THIS THUNDERSTORM.

Nearby

Severe Thunderstorm Warnings in Georgia, 1986Every severe thunderstorm warning in 1986

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.