Alert archive / Alabama / Severe Thunderstorm Watches in 1997

Severe Thunderstorm Watch 565

July 4, 19974 states

The Storm Prediction Center issued this severe thunderstorm watch at Jul 4, 1997, 2:30 PM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jul 4, 1997, 2:30 PM CDT (19:30 UTC)
Expired
Jul 4, 1997, 8:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 52 counties

Blount County, AL, Cherokee County, AL, Colbert County, AL, Cullman County, AL, DeKalb County, AL, Etowah County, AL, Fayette County, AL, Franklin County, AL, Jackson County, AL, Lamar County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marion County, AL, Marshall County, AL, Morgan County, AL, St. Clair County, AL, Walker County, AL, Winston County, AL, Dade County, GA, Alcorn County, MS, Benton County, MS, Chickasaw County, MS, Choctaw County, MS, Clay County, MS, Itawamba County, MS, Lee County, MS, Lowndes County, MS, Monroe County, MS, Oktibbeha County, MS, Pontotoc County, MS, Prentiss County, MS, Tippah County, MS, Tishomingo County, MS, Union County, MS, Bedford County, TN, Coffee County, TN, Franklin County, TN, Giles County, TN, Grundy County, TN, Hardin County, TN, Lawrence County, TN, Lincoln County, TN, Marion County, TN, Marshall County, TN, McNairy County, TN, Moore County, TN, Sequatchie County, TN, Van Buren County, TN, Warren County, TN, Wayne County, TN

Warnings issued inside it

17 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jul 4, 2:38 PM CDTSevere Thunderstorm WarningBMXLauderdale67 min
Jul 4, 3:14 PM CDTSevere Thunderstorm WarningOHXGiles, Lawrence61 min
Jul 4, 3:22 PM CDTSevere Thunderstorm WarningOHXWarren53 min
Jul 4, 3:37 PM CDTSevere Thunderstorm WarningBMXColbert68 min
Jul 4, 3:40 PM CDTSevere Thunderstorm WarningOHXBedford, Coffee50 min
Jul 4, 3:40 PM CDTSevere Thunderstorm WarningOHXMarshall50 min
Jul 4, 3:47 PM CDTSevere Thunderstorm WarningBMXLauderdale, Limestone58 min
Jul 4, 3:53 PM CDTSevere Thunderstorm WarningOHXLincoln, Moore52 min
Jul 4, 3:53 PM CDTSevere Thunderstorm WarningOHXVan Buren52 min
Jul 4, 4:11 PM CDTSevere Thunderstorm WarningBMXMadison64 min
Jul 4, 4:25 PM CDTSevere Thunderstorm WarningBMXLawrence65 min
Jul 4, 4:25 PM CDTSevere Thunderstorm WarningOHXFranklin50 min
Jul 4, 4:33 PM CDTSevere Thunderstorm WarningBMXFranklin57 min
Jul 4, 4:33 PM CDTSevere Thunderstorm WarningBMXJackson57 min
Jul 4, 4:41 PM CDTSevere Thunderstorm WarningOHXGrundy, Marion64 min
Jul 4, 4:57 PM CDTSevere Thunderstorm WarningOHXSequatchie48 min
Jul 4, 5:12 PM CDTSevere Thunderstorm WarningFFCDade, Walker48 min

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 7.5 hours before the alert went out and 182 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, Birmingham, AL at 12:00Z on 1997-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3053 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, Birmingham, AL at 12:00Z on 1997-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.1939Sfc1 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
3053 J/kg
Mixed-layer CIN
-111 J/kg
Mixed-layer LCL
959 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
19 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 4, 4:00 PM CDTSevere Thunderstorm WatchSPCCatoosa, Chattooga, Fannin, Floyd, Gilmer, Gordon and 10 more6 hr
Jul 4, 6:00 PM CDTSevere Thunderstorm WatchSPCAttala, Bolivar, Carroll, Grenada, Holmes, Humphreys and 9 more4 hr
Jul 4, 5:45 PM CDTSevere Thunderstorm WatchSPCCarter, Cocke, Greene, Hawkins, Johnson, Sullivan and 2 more6 hr

Nearby

Severe Thunderstorm Watches in Alabama, 1997Severe Thunderstorm Watches in Tennessee, 1997Severe Thunderstorm Watches in Mississippi, 1997Every severe thunderstorm watch 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.