Alert archive / Georgia / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 252, NWS Birmingham, AL

April 22, 1997Chattahoochee County, Muscogee County, Georgia; Russell County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 22, 1997, 6:14 PM EDT for Chattahoochee County, Muscogee County, Georgia; Russell County, Alabama. It was in force for 46 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
Apr 22, 1997, 6:14 PM EDT (22:14 UTC)
Expired
Apr 22, 1997, 7:00 PM EDT
In force
46 min
Issued by
NWS Birmingham, AL
Area
Whole counties

Counties Russell County, AL, Chattahoochee County, GA, Muscogee County, GA

The radar

The Maxwell AFB radar (KMXX), 81 km from the middle of the area, began a volume at 22:15 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 22, 3:45 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 10.2 hours before the alert went out and 118 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 12:00Z on 1997-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 232 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 12:00Z on 1997-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 154 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
232 J/kg
Mixed-layer CIN
-122 J/kg
Mixed-layer LCL
649 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
154 m²/s²
0-3 km storm-relative helicity
172 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBHM 222216 RRA
SVRBHM
ALC113-GAC053-215-222300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BIRMINGHAM AL
514 PM CDT TUE APR 22 1997

THE NATIONAL WEATHER SERVICE IN BIRMINGHAM AL HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM CDT (700 PM EDT)
FOR PEOPLE IN THE FOLLOWING LOCATIONS...

IN EAST CENTRAL ALABAMA

   ...RUSSELL

IN WEST CENTRAL GEORGIA

   ...CHATTAHOOCHEE
   ...MUSCOGEE
 
AT 512 PM CDT...A CLUSTER OF SEVERE THUNDERSTORMS WAS MOVING ACROSS
RUSSELL COUNTY JUST WEST OF PHENIX CITY.  THE STORMS WERE MOVING EAST
AT 40 MPH AND WILL INTO GEORGIA...INTO THE COLUMBUS AREA AND PARTS OF
CHATTAHOOCHEE COUNTY.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL... DEADLY LIGHTNING... AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DONT
DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 21, 8:04 PM EDTSevere Thunderstorm WarningBMXWinston56 min
Apr 21, 8:20 PM EDTSevere Thunderstorm WarningBMXJackson55 min
Apr 21, 8:20 PM EDTSevere Thunderstorm WarningBMXLimestone55 min
Apr 21, 8:32 PM EDTSevere Thunderstorm WarningBMXMadison43 min
Apr 21, 11:38 PM EDTSevere Thunderstorm WarningBMXCalhoun67 min
Apr 22, 12:17 AM EDTSevere Thunderstorm WarningBMXCleburne43 min
Apr 22, 2:03 AM EDTSevere Thunderstorm WarningBMXShelby57 min
Apr 22, 2:12 AM EDTSevere Thunderstorm WarningBMXTalladega48 min
Apr 22, 2:33 AM EDTSevere Thunderstorm WarningBMXClay57 min
Apr 22, 2:54 PM EDTSevere Thunderstorm WarningBMXFranklin66 min
Apr 22, 3:02 PM EDTSevere Thunderstorm WarningBMXGreene, Hale, Marengo, Sumter48 min
Apr 22, 3:13 PM EDTSevere Thunderstorm WarningBMXColbert62 min
Apr 22, 3:30 PM EDTSevere Thunderstorm WarningBMXBlount, Jefferson, Walker50 min
Apr 22, 3:40 PM EDTSevere Thunderstorm WarningBMXTuscaloosa50 min
Apr 22, 3:42 PM EDTSevere Thunderstorm WarningBMXShelby48 min
Apr 22, 3:45 PM EDTTornado WarningBMXBibb35 min
Apr 22, 3:51 PM EDTSevere Thunderstorm WarningBMXAutauga, Dallas, Lowndes49 min
Apr 22, 3:55 PM EDTTornado WarningBMXShelby35 min
Apr 22, 4:03 PM EDTSevere Thunderstorm WarningBMXChilton47 min
Apr 22, 4:14 PM EDTTornado WarningBMXDallas46 min
Apr 22, 4:18 PM EDTSevere Thunderstorm WarningBMXCoosa, Talladega47 min
Apr 22, 4:25 PM EDTSevere Thunderstorm WarningBMXElmore, Montgomery45 min
Apr 22, 4:31 PM EDTSevere Thunderstorm WarningBMXTallapoosa49 min
Apr 22, 4:35 PM EDTSevere Thunderstorm WarningBMXAutauga, Lowndes50 min
Apr 22, 4:39 PM EDTSevere Thunderstorm WarningBMXClay46 min
Apr 22, 4:52 PM EDTTornado WarningBMXLowndes48 min
Apr 22, 5:00 PM EDTTornado WarningBMXDeKalb30 min
Apr 22, 5:02 PM EDTSevere Thunderstorm WarningBMXElmore, Montgomery48 min
Apr 22, 5:10 PM EDTSevere Thunderstorm WarningBMXChambers, Randolph50 min
Apr 22, 5:15 PM EDTSevere Thunderstorm WarningBMXTallapoosa50 min
Apr 22, 5:17 PM EDTSevere Thunderstorm WarningBMXBullock, Macon48 min
Apr 22, 5:26 PM EDTSevere Thunderstorm WarningBMXLee49 min
Apr 22, 5:27 PM EDTTornado WarningBMXChambers48 min
Apr 22, 5:46 PM EDTSevere Thunderstorm WarningBMXMarengo49 min
Apr 22, 6:02 PM EDTSevere Thunderstorm WarningBMXSumter48 min
Apr 22, 7:06 PM EDTSevere Thunderstorm WarningBMXDallas49 min
Apr 22, 7:17 PM EDTTornado WarningBMXDallas43 min
Apr 22, 7:26 PM EDTTornado WarningBMXLowndes49 min
Apr 22, 7:53 PM EDTSevere Thunderstorm WarningBMXAutauga, Elmore, Montgomery52 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1997Severe Thunderstorm Warnings in Alabama, 1997Every severe thunderstorm warning 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; radar from the NEXRAD Level II archive.