Alert archive / Tennessee / Tornado Watches in 2024

Tornado Watch 79

April 2, 20247 counties in Alabama; 12 counties in Mississippi; 51 counties in Tennessee

The Storm Prediction Center issued this tornado watch at Apr 2, 2024, 3:08 PM CDT for 7 counties in Alabama; 12 counties in Mississippi; 51 counties in Tennessee. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Apr 2, 2024, 3:08 PM CDT (20:08 UTC)
Expired
Apr 2, 2024, 9:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
Largest hail expected
1.5 in
Strongest gust expected
65 kt
All 70 counties

Colbert County, AL, Franklin County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Morgan County, AL, Alcorn County, MS, Benton County, MS, Calhoun County, MS, Chickasaw County, MS, Itawamba County, MS, Lee County, MS, Monroe County, MS, Pontotoc County, MS, Prentiss County, MS, Tippah County, MS, Tishomingo County, MS, Union County, MS, Bedford County, TN, Benton County, TN, Cannon County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Clay County, TN, Coffee County, TN, Cumberland County, TN, Davidson County, TN, Decatur County, TN, DeKalb County, TN, Dickson County, TN, Fentress County, TN, Franklin County, TN, Giles County, TN, Grundy County, TN, Hardeman County, TN, Hardin County, TN, Henderson County, TN, Henry County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Jackson County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Macon County, TN, Madison County, TN, Marshall County, TN, Maury County, TN, McNairy County, TN, Montgomery County, TN, Moore County, TN, Overton County, TN, Perry County, TN, Pickett County, TN, Putnam County, TN, Robertson County, TN, Rutherford County, TN, Smith County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Van Buren County, TN, Warren County, TN, Wayne County, TN, White County, TN, Williamson County, TN, Wilson County, TN

The radar

The Nashville radar (KOHX), 75 km from the middle of the area, began a volume at 20:08 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
60%
One or more EF2 to EF5 tornadoes
30%
Ten or more severe wind reports
60%
One or more gusts of 65 knots or more
30%
Ten or more severe hail reports
50%
One or more hailstones of 2 inches or more
10%
Six or more combined severe hail and wind reports
90%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 2, 3:14 PM CDTSevere Thunderstorm WarningMEGCalhoun, Lafayette, Lee, Pontotoc, Union31 min
Apr 2, 5:44 PM CDTSevere Thunderstorm WarningHUNLimestone, Madison46 min
Apr 2, 5:53 PM CDTTornado WarningHUNLimestone, Madison37 min
Apr 2, 6:07 PM CDTSevere Thunderstorm WarningOHXCheatham, Davidson, Robertson, Sumner38 min
Apr 2, 6:28 PM CDTTornado WarningHUNMadison32 min
Apr 2, 6:34 PM CDTSevere Thunderstorm WarningMEGAlcorn, Tippah, Tishomingo41 min
Apr 2, 6:59 PM CDTTornado WarningHUNFranklin, Lincoln, Moore31 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 8.1 hours before the alert went out and 62 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, Nashville Metro, TN at 12:00Z on 2024-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 241 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, Nashville Metro, TN at 12:00Z on 2024-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 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
241 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
839 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
13 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 2, 2:49 PM CDTMesoscale DiscussionSPCColbert, Franklin, Lauderdale, Limestone116 min
Apr 2, 5:53 PM CDTMesoscale DiscussionSPCAutauga, Bibb, Blount, Calhoun, Chambers, Cherokee and 29 more3 hr
Apr 2, 6:57 PM CDTTornado WatchSPCAutauga, Barbour, Bibb, Blount, Bullock, Butler and 47 more8 hr
Apr 2, 12:58 PM CDTMesoscale DiscussionSPCAdams, Attala, Carroll, Claiborne, Copiah, Covington and 26 more2 hr
Apr 2, 8:32 AM CDTMesoscale DiscussionSPCBenton, Carroll, Cheatham, Chester, Crockett, Decatur and 23 more88 min
Apr 2, 9:50 AM CDTTornado WatchSPCBedford, Benton, Cannon, Carroll, Cheatham, Chester and 41 more5 hr
Apr 2, 12:25 PM CDTMesoscale DiscussionSPCBenton, Cannon, Carroll, Cheatham, Clay, Davidson and 27 more2 hr
Apr 2, 4:33 PM CDTMesoscale DiscussionSPCAnderson, Bledsoe, Blount, Bradley, Campbell, Carter and 29 more87 min
Apr 2, 4:34 PM CDTMesoscale DiscussionSPCBenton, Cheatham, Dickson, Houston, Humphreys, Montgomery and 2 more86 min
Apr 2, 5:07 PM CDTTornado WatchSPCAnderson, Bledsoe, Blount, Bradley, Campbell, Claiborne and 25 more7 hr

Nearby

Tornado Watches in Tennessee, 2024Tornado Watches in Mississippi, 2024Tornado Watches in Alabama, 2024Every tornado watch in 2024

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.