Alert archive / Mississippi / Tornado Watches in 2005

Tornado Watch 214

April 30, 20054 states

The Storm Prediction Center issued this tornado watch at Apr 30, 2005, 2:40 AM CDT for 4 states. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: Apr 30, 2005, 2:40 AM CDT (07:40 UTC)
Expired: Apr 30, 2005, 10:00 AM CDT
In force: 7 hr
Issued by: the Storm Prediction Center

All 59 counties

Bibb County, AL, Blount County, AL, Calhoun County, AL, Cherokee County, AL, Choctaw County, AL, Cullman County, AL, Etowah County, AL, Fayette County, AL, Greene County, AL, Hale County, AL, Jefferson County, AL, Lamar County, AL, Marengo County, AL, Marion 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, Floyd County, GA, East Feliciana Parish, LA, Pointe Coupee Parish, LA, Saint Helena Parish, LA, Washington Parish, LA, West Feliciana Parish, LA, Amite County, MS, Clarke County, MS, Copiah County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, Jasper County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Lincoln County, MS, Lowndes County, MS, Marion County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Pearl River County, MS, Perry County, MS, Pike County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Walthall County, MS, Wayne County, MS, Wilkinson County, MS, Winston County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 70 km from the middle of the area, began a volume at 07:43 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.

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Apr 30, 2:43 AM CDT	Tornado Warning	JAN	Jefferson Davis, Lawrence	62 min
Apr 30, 2:49 AM CDT	Tornado Warning	BMX	Fayette, Walker	34 min
Apr 30, 2:49 AM CDT	Severe Thunderstorm Warning	JAN	Covington	41 min
Apr 30, 2:55 AM CDT	Severe Thunderstorm Warning	JAN	Clay, Lowndes, Oktibbeha	20 min
Apr 30, 3:10 AM CDT	Tornado Warning	JAN	Covington, Jones	65 min
Apr 30, 3:13 AM CDT	Severe Thunderstorm Warning	HUN	Cullman	47 min
Apr 30, 3:15 AM CDT	Severe Thunderstorm Warning	JAN	Noxubee	30 min
Apr 30, 3:19 AM CDT	Severe Thunderstorm Warning	BMX	Pickens	56 min
Apr 30, 3:20 AM CDT	Severe Thunderstorm Warning	JAN	Jasper, Smith	55 min
Apr 30, 3:26 AM CDT	Tornado Warning	BMX	Pickens	44 min
Apr 30, 3:26 AM CDT	Severe Thunderstorm Warning	JAN	Clarke	34 min
Apr 30, 3:28 AM CDT	Severe Thunderstorm Warning	LIX	Pike, Walthall	47 min
Apr 30, 3:36 AM CDT	Tornado Warning	BMX	Blount	35 min
Apr 30, 3:47 AM CDT	Tornado Warning	JAN	Marion	43 min
Apr 30, 3:48 AM CDT	Tornado Warning	BMX	Tuscaloosa	57 min
Apr 30, 3:50 AM CDT	Tornado Warning	LIX	Walthall	25 min
Apr 30, 3:53 AM CDT	Severe Thunderstorm Warning	JAN	Clarke, Lauderdale	16 min
Apr 30, 3:57 AM CDT	Severe Thunderstorm Warning	JAN	Covington, Jones	63 min
Apr 30, 3:58 AM CDT	Severe Thunderstorm Warning	JAN	Jasper	47 min
Apr 30, 4:12 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw	33 min
Apr 30, 4:17 AM CDT	Tornado Warning	JAN	Lamar	43 min
Apr 30, 4:19 AM CDT	Severe Thunderstorm Warning	JAN	Clarke	56 min
Apr 30, 4:21 AM CDT	Tornado Warning	BMX	St. Clair	29 min
Apr 30, 4:21 AM CDT	Severe Thunderstorm Warning	JAN	Forrest	39 min
Apr 30, 4:23 AM CDT	Severe Thunderstorm Warning	BMX	Marengo	52 min
Apr 30, 4:30 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw	45 min
Apr 30, 4:42 AM CDT	Severe Thunderstorm Warning	BMX	Bibb, Jefferson, Tuscaloosa	33 min
Apr 30, 4:43 AM CDT	Tornado Warning	BMX	Calhoun	32 min
Apr 30, 4:43 AM CDT	Severe Thunderstorm Warning	LIX	Washington	47 min
Apr 30, 4:43 AM CDT	Severe Thunderstorm Warning	JAN	Forrest	47 min
Apr 30, 4:45 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw	15 min
Apr 30, 4:47 AM CDT	Severe Thunderstorm Warning	FFC	Chattooga, Floyd	43 min
Apr 30, 4:50 AM CDT	Severe Thunderstorm Warning	BMX	Shelby	55 min
Apr 30, 4:57 AM CDT	Tornado Warning	BMX	Marengo	48 min
Apr 30, 5:02 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Washington	43 min
Apr 30, 5:06 AM CDT	Severe Thunderstorm Warning	BMX	Cherokee, Cleburne	39 min
Apr 30, 5:17 AM CDT	Severe Thunderstorm Warning	BMX	Calhoun	28 min
Apr 30, 5:19 AM CDT	Severe Thunderstorm Warning	MOB	Greene, Perry	56 min
Apr 30, 5:26 AM CDT	Severe Thunderstorm Warning	LIX	Pearl River	19 min
Apr 30, 6:31 AM CDT	Severe Thunderstorm Warning	LIX	Pearl River	29 min
Apr 30, 7:04 AM CDT	Severe Thunderstorm Warning	LIX	Pearl River	41 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

Jackson, MS (KJAN), launched 00:00Z, 7.7 hours before the alert went out and 80 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: 522 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 1448 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 124 m²/s²
0-3 km storm-relative helicity: 333 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.4

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 29, 8:53 PM CDT	Mesoscale Discussion	SPC	Bibb, Blount, Calhoun, Cherokee, Clay, Cleburne and 26 more	97 min
Apr 29, 9:45 PM CDT	Tornado Watch	SPC	Colbert, Cullman, Fayette, Franklin, Jackson, Lamar and 9 more	7 hr
Apr 30, 1:39 AM CDT	Mesoscale Discussion	SPC	Colbert, Cullman, Fayette, Franklin, Jackson, Lamar and 9 more	96 min
Apr 30, 4:42 AM CDT	Mesoscale Discussion	SPC	Autauga, Baldwin, Bibb, Blount, Bullock, Butler and 43 more	93 min
Apr 30, 5:05 AM CDT	Tornado Watch	SPC	Autauga, Baldwin, Barbour, Bullock, Butler, Chambers and 25 more	7 hr
Apr 30, 6:41 AM CDT	Mesoscale Discussion	SPC	Autauga, Baldwin, Barbour, Bullock, Butler, Chambers and 29 more	94 min
Apr 30, 7:10 AM CDT	Severe Thunderstorm Watch	SPC	Dale, Geneva, Henry, Houston	6 hr
Apr 30, 11:02 AM CDT	Mesoscale Discussion	SPC	Baldwin, Covington, Escambia, Mobile	58 min
Apr 30, 8:40 AM CDT	Severe Thunderstorm Watch	SPC	Columbia, Lincoln, Richmond	6 hr
Apr 30, 11:48 AM CDT	Mesoscale Discussion	SPC	Appling, Atkinson, Bacon, Brantley, Brooks, Bryan and 19 more	27 min
Apr 30, 12:05 PM CDT	Severe Thunderstorm Watch	SPC	Appling, Atkinson, Bacon, Ben Hill, Berrien, Brantley and 32 more	5 hr
Apr 29, 10:55 PM CDT	Mesoscale Discussion	SPC	Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Cameron and 8 more	2 hr
Apr 30, 1:08 AM CDT	Mesoscale Discussion	SPC	Avoyelles, Concordia, East Baton Rouge, East Feliciana, Iberville, Livingston and 8 more	2 hr
Apr 29, 9:23 PM CDT	Mesoscale Discussion	SPC	Alcorn, Benton, Marshall	97 min
Apr 30, 2:25 PM CDT	Mesoscale Discussion	SPC	Alcorn, Benton, Marshall	95 min

Nearby

Tornado Watches in Mississippi, 2005 Tornado Watches in Alabama, 2005 Tornado Watches in Louisiana, 2005 Every tornado watch in 2005

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.