Alert archive / Georgia / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 3, NWS Tallahassee, FL

February 10, 1990Harris County, Muscogee County, Talbot County, Georgia

NWS Tallahassee, FL issued this severe thunderstorm warning at Feb 10, 1990, 5:21 AM EST for Harris County, Muscogee County, Talbot County, Georgia. It was in force for 69 min. 4 reports 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 10, 1990, 5:21 AM EST (10:21 UTC)
Expired
Feb 10, 1990, 6:30 AM EST
In force
69 min
Issued by
NWS Tallahassee, FL
Area
Whole counties

Counties Harris County, GA, Muscogee County, GA, Talbot County, GA

The radar

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

What was reported inside it

TimeReportWhereRemark
Feb 10, 5:50 AM ESTThunderstorm Wind 0Harris, GA
Feb 10, 5:50 AM ESTThunderstorm Wind 0Harris, GA
Feb 10, 5:55 AM ESTThunderstorm Wind 0Muscogee, GA
Feb 10, 6:20 AM ESTThunderstorm Wind 0Talbot, GA

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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Athens Municipal, GA (KAHN), launched 00:00Z, 10.4 hours before the alert went out and 199 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 00:00Z on 1990-02-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 1990-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -56 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
607 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
-56 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCSG 101027
SVRCSG
ALC113-GAC053-145-215-263-101130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBUS GA
521 AM EST SAT FEB 10 1990
 
THE NATIONAL WEATHER SERVICE IN COLUMBUS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  630 AM EST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN EAST CENTRAL ALABAMA
          ...RUSSELL
IN WEST CENTRAL GEORGIA
          ...CHATTAHOOCHEE...HARRIS...MUSCOGEE...TALBOT
 
A LINE OF STRONG AND VERY FAST MOVING THUNDERSTORMS NOTED BY COLUMBUS
WEATHER RADAR...ALSO THIS AREA OF THUNDERSTORMS HAS CAUSED MUCH DAMAGE
AND INJURIIES IN ALABAMA. THIS LINE WAS MOVING AT 60 MPH TO NORTH
NORTHEAST.
 
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 5:21 AM ESTSevere Thunderstorm WarningTAEChattahoochee69 min
Feb 10, 5:57 AM ESTTornado WarningTAEMuscogee63 min
Feb 10, 6:06 AM ESTSevere Thunderstorm WarningTAEMarion, Schley, Stewart, Taylor69 min
Feb 10, 6:06 AM ESTSevere Thunderstorm WarningTAEMacon69 min
Feb 10, 6:37 AM ESTSevere Thunderstorm WarningTAEColquitt, Tift68 min
Feb 10, 7:04 AM ESTTornado WarningTAEMuscogee41 min
Feb 10, 7:07 AM ESTTornado WarningTAEDougherty, Lee, Worth68 min

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.