Alert archive / Tennessee / Tornado Watches in 2019

Tornado Watch 25

March 14, 201931 counties in Alabama; 21 counties in Mississippi; 32 counties in Tennessee

The Storm Prediction Center issued this tornado watch at Mar 14, 2019, 12:11 PM CDT for 31 counties in Alabama; 21 counties in Mississippi; 32 counties in Tennessee. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Mar 14, 2019, 12:11 PM CDT (17:11 UTC)
Expired
Mar 14, 2019, 7:00 PM CDT
In force
7 hr
Issued by
the Storm Prediction Center
Largest hail expected
1 in
Strongest gust expected
60 kt
All 84 counties

Bibb County, AL, Blount County, AL, Calhoun County, AL, Cherokee County, AL, Cleburne County, AL, Colbert County, AL, Cullman County, AL, DeKalb County, AL, Etowah County, AL, Fayette County, AL, Franklin County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marengo County, AL, Marion County, AL, Marshall County, AL, Morgan County, AL, Perry County, AL, Pickens County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL, Alcorn County, MS, Attala County, MS, Calhoun County, MS, Chickasaw County, MS, Choctaw County, MS, Clay County, MS, Itawamba County, MS, Kemper County, MS, Leake County, MS, Lee County, MS, Lowndes County, MS, Monroe County, MS, Neshoba County, MS, Noxubee County, MS, Oktibbeha County, MS, Pontotoc County, MS, Prentiss County, MS, Tishomingo County, MS, Union County, MS, Webster County, MS, Winston County, MS, Bedford County, TN, Benton County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Davidson County, TN, Decatur County, TN, Dickson County, TN, Giles County, TN, Hardin County, TN, Henderson County, TN, Henry County, TN, Hickman County, TN, Houston County, TN, Humphreys County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Marshall County, TN, Maury County, TN, McNairy County, TN, Montgomery County, TN, Moore County, TN, Perry County, TN, Robertson County, TN, Rutherford County, TN, Stewart County, TN, Sumner County, TN, Wayne County, TN, Weakley County, TN, Williamson County, TN, Wilson County, TN

The radar

The Northeast Alabama radar (KHTX), 128 km from the middle of the area, began a volume at 17:13 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
80%
One or more EF2 to EF5 tornadoes
50%
Ten or more severe wind reports
60%
One or more gusts of 65 knots or more
20%
Ten or more severe hail reports
30%
One or more hailstones of 2 inches or more
20%
Six or more combined severe hail and wind reports
80%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Mar 14, 12:17 PM CDTSevere Thunderstorm WarningHUNLauderdale28 min
Mar 14, 12:24 PM CDTTornado WarningHUNLauderdale21 min
Mar 14, 12:28 PM CDTTornado WarningMEGHardin30 min
Mar 14, 12:38 PM CDTTornado WarningMEGMonroe37 min
Mar 14, 12:44 PM CDTSevere Thunderstorm WarningOHXWayne46 min
Mar 14, 12:52 PM CDTTornado WarningMEGTishomingo18 min
Mar 14, 12:55 PM CDTSevere Thunderstorm WarningHUNColbert, Lauderdale35 min
Mar 14, 12:59 PM CDTTornado WarningJANChoctaw, Clay, Oktibbeha49 min
Mar 14, 1:02 PM CDTTornado WarningJANChoctaw, Noxubee, Oktibbeha, Winston58 min
Mar 14, 1:18 PM CDTSevere Thunderstorm WarningHUNColbert, Franklin27 min
Mar 14, 1:21 PM CDTSevere Thunderstorm WarningBMXLamar, Marion54 min
Mar 14, 1:26 PM CDTSevere Thunderstorm WarningHUNLauderdale23 min
Mar 14, 1:39 PM CDTSevere Thunderstorm WarningOHXLawrence, Wayne51 min
Mar 14, 1:41 PM CDTSevere Thunderstorm WarningHUNColbert, Franklin34 min
Mar 14, 1:47 PM CDTTornado WarningHUNFranklin28 min
Mar 14, 1:55 PM CDTTornado WarningJANLowndes, Oktibbeha39 min
Mar 14, 2:10 PM CDTSevere Thunderstorm WarningHUNColbert, Franklin, Lawrence35 min
Mar 14, 2:13 PM CDTSevere Thunderstorm WarningHUNColbert, Lauderdale, Lawrence32 min
Mar 14, 2:21 PM CDTSevere Thunderstorm WarningJANKemper, Neshoba39 min
Mar 14, 2:23 PM CDTSevere Thunderstorm WarningBMXLamar, Pickens52 min
Mar 14, 2:34 PM CDTSevere Thunderstorm WarningHUNLawrence, Morgan26 min
Mar 14, 2:39 PM CDTTornado WarningHUNLawrence22 min
Mar 14, 2:41 PM CDTSevere Thunderstorm WarningBMXFayette64 min
Mar 14, 2:53 PM CDTSevere Thunderstorm WarningJANKemper, Noxubee32 min
Mar 14, 2:57 PM CDTSevere Thunderstorm WarningHUNLawrence, Morgan33 min
Mar 14, 2:59 PM CDTSevere Thunderstorm WarningBMXLamar, Pickens24 min
Mar 14, 3:26 PM CDTSevere Thunderstorm WarningHUNLimestone, Madison, Morgan34 min
Mar 14, 3:37 PM CDTSevere Thunderstorm WarningBMXWalker53 min
Mar 14, 3:42 PM CDTSevere Thunderstorm WarningHUNCullman33 min
Mar 14, 3:46 PM CDTSevere Thunderstorm WarningBMXFayette, Pickens, Tuscaloosa44 min
Mar 14, 3:56 PM CDTSevere Thunderstorm WarningJANKemper, Lauderdale49 min
Mar 14, 4:03 PM CDTTornado WarningHUNCullman27 min
Mar 14, 4:18 PM CDTSevere Thunderstorm WarningBMXBlount, Jefferson, Walker42 min
Mar 14, 4:21 PM CDTSevere Thunderstorm WarningHUNCullman24 min
Mar 14, 4:24 PM CDTSevere Thunderstorm WarningBMXWalker39 min
Mar 14, 4:25 PM CDTSevere Thunderstorm WarningHUNCullman, Marshall35 min
Mar 14, 4:33 PM CDTSevere Thunderstorm WarningBMXTuscaloosa57 min
Mar 14, 4:42 PM CDTSevere Thunderstorm WarningBMXGreene, Sumter52 min
Mar 14, 4:51 PM CDTSevere Thunderstorm WarningBMXJefferson39 min
Mar 14, 4:52 PM CDTSevere Thunderstorm WarningHUNDeKalb, Marshall23 min
Mar 14, 4:53 PM CDTSevere Thunderstorm WarningBMXBlount, Etowah, St. Clair82 min
Mar 14, 4:58 PM CDTTornado WarningBMXBlount32 min
Mar 14, 5:13 PM CDTTornado WarningBMXEtowah, St. Clair28 min
Mar 14, 5:17 PM CDTSevere Thunderstorm WarningBMXHale58 min
Mar 14, 5:24 PM CDTSevere Thunderstorm WarningBMXBlount, Jefferson, St. Clair66 min
Mar 14, 5:56 PM CDTTornado WarningBMXSt. Clair34 min
Mar 14, 6:04 PM CDTSevere Thunderstorm WarningBMXBibb, Perry56 min
Mar 14, 6:07 PM CDTSevere Thunderstorm WarningBMXCalhoun, Cherokee, Etowah68 min
Mar 14, 6:13 PM CDTTornado WarningBMXBibb, Perry47 min
Mar 14, 6:17 PM CDTTornado WarningBMXCalhoun38 min
Mar 14, 6:50 PM CDTSevere Thunderstorm WarningBMXCleburne29 min
Mar 14, 6:50 PM CDTTornado Warning Tornado observedBMXBibb, Chilton40 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, 5.2 hours before the alert went out and 124 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 2019-03-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 2019-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 554 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
1075 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
554 m²/s²
0-3 km storm-relative helicity
695 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
Mar 14, 10:32 AM CDTMesoscale DiscussionSPCColbert, Fayette, Franklin, Lamar, Lauderdale, Lawrence and 1 more58 min
Mar 14, 11:47 AM CDTMesoscale DiscussionSPCColbert, Cullman, Fayette, Franklin, Greene, Jefferson and 12 more88 min
Mar 14, 1:01 PM CDTMesoscale DiscussionSPCFayette, Lamar, Marion59 min
Mar 14, 2:58 PM CDTMesoscale DiscussionSPCColbert, Cullman, Fayette, Franklin, Greene, Lamar and 10 more92 min
Mar 14, 5:39 PM CDTMesoscale DiscussionSPCAutauga, Bibb, Blount, Calhoun, Cherokee, Chilton and 22 more96 min
Mar 14, 6:41 PM CDTTornado WatchSPCAutauga, Bibb, Calhoun, Cherokee, Chilton, Clay and 13 more5 hr
Mar 14, 4:47 AM CDTMesoscale DiscussionSPCBolivar, Coahoma, DeSoto, Panola, Quitman, Sunflower and 3 more88 min
Mar 14, 5:28 AM CDTTornado WatchSPCAlcorn, Benton, Bolivar, Calhoun, Coahoma, DeSoto and 13 more7 hr
Mar 14, 7:14 AM CDTMesoscale DiscussionSPCAlcorn, Benton, Bolivar, Calhoun, Carroll, Coahoma and 18 more2 hr
Mar 14, 2:10 PM CDTMesoscale DiscussionSPCClarke, Copiah, Covington, Forrest, Jasper, Jefferson Davis and 14 more95 min
Mar 14, 2:37 AM CDTMesoscale DiscussionSPCHenry, Obion, Stewart, Weakley83 min

Nearby

Tornado Watches in Tennessee, 2019Tornado Watches in Alabama, 2019Tornado Watches in Mississippi, 2019Every tornado watch in 2019

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.