Alert archive / Alabama / Tornado Watches in 2022

Tornado Watch 80

March 30, 202237 counties in Alabama; 27 counties in Tennessee

The Storm Prediction Center issued this tornado watch at Mar 30, 2022, 5:29 PM CDT for 37 counties in Alabama; 27 counties in Tennessee. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: Mar 30, 2022, 5:29 PM CDT (22:29 UTC)
Expired: Mar 31, 2022, 1:00 AM CDT
In force: 8 hr
Issued by: the Storm Prediction Center
Largest hail expected: 1 in
Strongest gust expected: 70 kt

All 64 counties

Autauga County, AL, Bibb County, AL, Blount County, AL, Chilton County, AL, Colbert County, AL, Coosa County, AL, Cullman County, AL, Dallas County, AL, DeKalb County, AL, Elmore County, AL, Etowah County, AL, Fayette County, AL, Franklin County, AL, Greene County, AL, Hale County, AL, Jackson County, AL, Jefferson County, AL, Lamar County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Lowndes County, AL, Madison County, AL, Marengo County, AL, Marion County, AL, Marshall County, AL, Montgomery County, AL, Morgan County, AL, Perry County, AL, Pickens County, AL, Shelby County, AL, St. Clair County, AL, Sumter County, AL, Talladega County, AL, Tuscaloosa County, AL, Walker County, AL, Winston County, AL, Bedford County, TN, Cannon County, TN, Cheatham County, TN, Coffee County, TN, Davidson County, TN, Dickson County, TN, Franklin County, TN, Giles 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, Montgomery County, TN, Moore County, TN, Perry County, TN, Robertson County, TN, Rutherford County, TN, Stewart County, TN, Sumner County, TN, Trousdale County, TN, Wayne County, TN, Williamson County, TN, Wilson County, TN

The radar

The Northeast Alabama radar (KHTX), 76 km from the middle of the area, began a volume at 22:32 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: 70%
One or more EF2 to EF5 tornadoes: 50%
Ten or more severe wind reports: 95%
One or more gusts of 65 knots or more: 50%
Ten or more severe hail reports: 10%
One or more hailstones of 2 inches or more: 5%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Mar 30, 6:00 PM CDT	Severe Thunderstorm Warning	OHX	Stewart	30 min
Mar 30, 6:47 PM CDT	Severe Thunderstorm Warning	HUN	Colbert, Franklin, Lauderdale	58 min
Mar 30, 7:12 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Humphreys, Lewis, Perry, Wayne	48 min
Mar 30, 7:18 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Lamar, Marion	72 min
Mar 30, 7:19 PM CDT	Severe Thunderstorm Warning	OHX	Houston, Humphreys, Stewart	41 min
Mar 30, 7:40 PM CDT	Severe Thunderstorm Warning	HUN	Colbert, Franklin, Lauderdale	65 min
Mar 30, 7:45 PM CDT	Severe Thunderstorm Warning	OHX	Cheatham, Dickson, Houston, Montgomery	45 min
Mar 30, 7:49 PM CDT	Severe Thunderstorm Warning	OHX	Dickson, Hickman, Humphreys	41 min
Mar 30, 7:51 PM CDT	Severe Thunderstorm Warning	HUN	Colbert, Franklin	24 min
Mar 30, 8:00 PM CDT	Severe Thunderstorm Warning	BMX	Greene, Pickens, Sumter	75 min
Mar 30, 8:04 PM CDT	Severe Thunderstorm Warning	OHX	Hickman, Lawrence, Lewis, Maury, Wayne	41 min
Mar 30, 8:13 PM CDT	Tornado Warning	BMX	Pickens	47 min
Mar 30, 8:17 PM CDT	Tornado Warning	BMX	Greene, Pickens, Sumter	43 min
Mar 30, 8:27 PM CDT	Tornado Warning	BMX	Sumter	48 min
Mar 30, 8:38 PM CDT	Severe Thunderstorm Warning	HUN	Colbert, Franklin, Lauderdale, Lawrence, Limestone	67 min
Mar 30, 9:01 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Tuscaloosa	59 min
Mar 30, 9:03 PM CDT	Tornado Warning	BMX	Pickens, Tuscaloosa	42 min
Mar 30, 9:03 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Williamson	27 min
Mar 30, 9:09 PM CDT	Tornado Warning	BMX	Greene	36 min
Mar 30, 9:22 PM CDT	Severe Thunderstorm Warning	OHX	Bedford, Giles, Marshall, Maury	23 min
Mar 30, 9:27 PM CDT	Severe Thunderstorm Warning	HUN	Cullman, Lawrence, Limestone, Madison, Morgan	63 min
Mar 30, 9:29 PM CDT	Severe Thunderstorm Warning	OHX	Davidson, Macon, Sumner, Wilson	13 min
Mar 30, 9:32 PM CDT	Tornado Warning	BMX	Perry	32 min
Mar 30, 9:34 PM CDT	Tornado Warning	BMX	Marengo	56 min
Mar 30, 9:35 PM CDT	Severe Thunderstorm Warning	OHX	Giles	25 min
Mar 30, 9:38 PM CDT	Tornado Warning	BMX	Fayette, Walker	11 min
Mar 30, 9:46 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Greene, Hale, Tuscaloosa	59 min
Mar 30, 9:51 PM CDT	Tornado Warning	BMX	Bibb, Tuscaloosa	25 min
Mar 30, 9:53 PM CDT	Tornado Warning Tornado observed	BMX	Bibb, Chilton	34 min
Mar 30, 10:01 PM CDT	Tornado Warning	BMX	Tuscaloosa	23 min
Mar 30, 10:15 PM CDT	Tornado Warning	BMX	Perry	45 min
Mar 30, 10:22 PM CDT	Tornado Warning Tornado observed	BMX	Shelby	23 min
Mar 30, 10:26 PM CDT	Severe Thunderstorm Warning	HUN	Cullman, Jackson, Limestone, Madison, Marshall, Morgan	64 min
Mar 30, 10:40 PM CDT	Tornado Warning	BMX	Dallas	21 min
Mar 30, 11:16 PM CDT	Tornado Warning	BMX	Dallas, Lowndes	59 min
Mar 30, 11:33 PM CDT	Severe Thunderstorm Warning	OHX	Cannon, Coffee, DeKalb, Van Buren, Warren	42 min
Mar 30, 11:39 PM CDT	Severe Thunderstorm Warning	BMX	Bibb, Chilton, Shelby	48 min
Mar 31, 12:01 AM CDT	Tornado Warning	BMX	Shelby	29 min
Mar 31, 12:16 AM CDT	Tornado Warning	BMX	Autauga, Elmore, Lowndes, Montgomery	44 min
Mar 31, 12:34 AM CDT	Severe Thunderstorm Warning	BMX	St. Clair	26 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, 10.5 hours before the alert went out and 146 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1225 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 267 m²/s²
0-3 km storm-relative helicity: 389 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.

Issued	Product	Office	Counties	Lasted
Mar 30, 3:39 PM CDT	Mesoscale Discussion	SPC	Baldwin, Bibb, Choctaw, Clarke, Colbert, Cullman and 24 more	2 hr
Mar 30, 5:59 PM CDT	Mesoscale Discussion	SPC	Lamar, Pickens	91 min
Mar 30, 6:19 PM CDT	Mesoscale Discussion	SPC	Choctaw, Clarke, Dallas, Greene, Hale, Marengo and 4 more	86 min
Mar 30, 6:39 PM CDT	Tornado Watch	SPC	Baldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more	9 hr
Mar 30, 12:16 PM CDT	Tornado Watch	SPC	Benton, Carroll, Chester, Crockett, Decatur, Dyer and 15 more	9 hr
Mar 30, 2:16 PM CDT	Mesoscale Discussion	SPC	Crockett, Dyer, Fayette, Gibson, Hardeman, Haywood and 5 more	119 min
Mar 30, 5:32 PM CDT	Mesoscale Discussion	SPC	Montgomery	88 min

Nearby

Tornado Watches in Alabama, 2022 Tornado Watches in Tennessee, 2022 Every tornado watch in 2022

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.