Alert archive / Georgia / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 152, NWS Atlanta, GA

May 5, 1990Jenkins County, Screven County, Georgia

NWS Atlanta, GA issued this severe thunderstorm warning at May 5, 1990, 4:58 PM EDT for Jenkins County, Screven County, Georgia. It was in force for 47 min.

The area

The counties it named.

The facts

Issued
May 5, 1990, 4:58 PM EDT (20:58 UTC)
Expired
May 5, 1990, 5:45 PM EDT
In force
47 min
Issued by
NWS Atlanta, GA
Area
Whole counties

Counties Jenkins County, GA, Screven 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

Charleston AFB, SC (KCHS), launched 12:00Z, 9.0 hours before the alert went out and 168 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, Charleston AFB, SC at 12:00Z on 1990-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 315 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, Charleston AFB, SC at 12:00Z on 1990-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 137 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
315 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
879 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
137 m²/s²
0-3 km storm-relative helicity
191 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAGS 052100
SVRAGS
GAC165-251-052145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUGUSTA GA
458 PM EDT SAT MAY 5 1990
 
THE NATIONAL WEATHER SERVICE IN AUGUSTA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL GEORGIA
 
   ...SOUTHERN JENKINS COUNTY...SCREVEN COUNTY
 
A SEVERE THUNDERSTORM WAS INDICATED BY RADAR AT 458 PM OVER SOUTHERN
JENKINS COUNTY MOVING TO THE EAST AT 45 MPH. RESIDENTS OF SCREVEN
COUNTY SHOULD BE ON THE ALERT AS THIS IS A DANGEROUS STORM.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DONf'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

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, May 5, 2:36 PM EDT, 2 hours 22 minutes before
GAZ006-008-009-052000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MACON GA
235 PM EDT SAT MAY 5 1990

...THUNDERSTORMS WITH HAIL AND GUSTY WINDS MOVING THROUGH CENTRAL GA...

AR 230 PM WEATHER SERVICE RADAR IN MACON SHOWED WIDELY SCATTERED
THUNDERSTORMS FROM NEAR MILLEDGEVULLE TO MACON AND ROBERTA...MOVING
EAST AT 30 MPH. AN OFF DUTY WEATHER SERVICE EMPLOYEE WEST OF THE MACON
AIRPORT REPORTED HAIL AS LARGE AS ONE HALF INCH IN DIAMETER DURING THE
PAST HALF HOUR. HERE AT THE AIRPORT THE WIND GUSTED TO 37 MPH AT 220 PM.

Nearby

Severe Thunderstorm Warnings in Georgia, 1990Every severe thunderstorm warning in 1990

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.