Alert archive / Georgia / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 13, NWS Atlanta, GA

March 19, 1986Bleckley County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at Mar 19, 1986, 2:29 PM EST for Bleckley County, Georgia. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Mar 19, 1986, 2:29 PM EST (19:29 UTC)
Expired
Mar 19, 1986, 3:30 PM EST
In force
61 min
Issued by
NWS Atlanta, GA
Area
Whole counties

County Bleckley 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

Athens Municipal, GA (KAHN), launched 12:00Z, 7.5 hours before the alert went out and 169 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, Athens Municipal, GA at 12:00Z on 1986-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 155 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, Athens Municipal, GA at 12:00Z on 1986-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 531 square meters per square second.1939587897117Sfc1 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
155 J/kg
Mixed-layer CIN
-37 J/kg
Mixed-layer LCL
589 m above ground
0-6 km bulk shear
83 kt
0-1 km storm-relative helicity
531 m²/s²
0-3 km storm-relative helicity
620 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMCN 191929
SVRMCN
GAC023-192030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MACON GA
229 PM EST WED MAR 19 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 330 PM EST FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

CENTRAL GEORGIA...BLECKLEY

AT 225 PM EST MACON WEATHER SERVICE RADAR SHOWED A POSSIBLE
SEVERE THUNDERSTORM 5 MILES WEST OF COCHRAN IN BLECKLEY

The office that day

Everything else NWS Atlanta, GA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 19, 7:11 AM ESTSevere Thunderstorm WarningFFCHall64 min
Mar 19, 7:33 AM ESTSevere Thunderstorm WarningFFCBanks, Franklin, Stephens57 min
Mar 19, 7:58 AM ESTSevere Thunderstorm WarningFFCBarrow, Jackson62 min
Mar 19, 2:40 PM ESTSevere Thunderstorm WarningFFCLaurens65 min

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.