Alert archive / Georgia / Tornado Warnings in 1997

Tornado Warning 161, NWS Birmingham, AL

November 21, 1997Chattahoochee County, Stewart County, Georgia

NWS Birmingham, AL issued this tornado warning at Nov 21, 1997, 8:16 PM EST for Chattahoochee County, Stewart County, Georgia. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Nov 21, 1997, 8:16 PM EST (01:16 UTC)
Expired
Nov 21, 1997, 8:50 PM EST
In force
34 min
Issued by
NWS Birmingham, AL
Area
Whole counties

Counties Chattahoochee County, GA, Stewart County, GA

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Nov 21, 8:00 PM ESTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 1.3 hours before the alert went out and 132 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, Peachtre/Fal Fld, GA at 00:00Z on 1997-11-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 440 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, Peachtre/Fal Fld, GA at 00:00Z on 1997-11-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 562 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
440 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
528 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
562 m²/s²
0-3 km storm-relative helicity
896 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.0

Open this sounding in Storm Lab

The text

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

773 
WFUS1 KBHM 220117 RRA
TORBHM
GAC053-259-220150-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
716 PM CST FRI NOV 21 1997

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM AL HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 850 PM EST (750 PM CST)
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN WEST CENTRAL GEORGIA

   ...CHATTAHOOCHEE COUNTY...
   ...STEWART COUNTY...

AT 814 PM EST... WEATHER RADAR SHOWED A POSSIBLE TORNADO NEAR THE
CHATTAHOOCHEE RIVER MOVING EAST AT 35 MPH.   THIS POSSIBLE TORNADO
WILL MOVE NEAR THE CHATTAHOOCHEE AND STEWART COUNTY LINE.   IT MAY
AFFECT THE LOUVALE AND RENFROE COMMUNITIES.

<<CALL TO ACTION>>
IF YOU ARE CAUGHT OUTSIDE... SEEK SAFETY IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT... SEEK REFUGE IN A CULVERT... DITCH OR
LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

The office that day

Everything else NWS Birmingham, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 21, 7:53 PM ESTSevere Thunderstorm WarningBMXChattahoochee, Muscogee52 min
Nov 21, 7:53 PM ESTSevere Thunderstorm WarningBMXChattahoochee, Muscogee47 min
Nov 21, 9:17 PM ESTSevere Thunderstorm WarningBMXStewart18 min

Nearby

Tornado Warnings in Georgia, 1997Every tornado warning in 1997Tornadoes in 1997

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.