Alert archive / Mississippi / Tornado Watches in 2010
Tornado Watch 124
The Storm Prediction Center issued this tornado watch at May 1, 2010, 9:52 AM CDT for 4 states. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- May 1, 2010, 9:52 AM CDT (14:52 UTC)
- Expired
- May 1, 2010, 6:00 PM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 126 counties
Colbert County, AL, Cullman County, AL, Fayette County, AL, Franklin County, AL, Lamar County, AL, Lauderdale County, AL, Lawrence County, AL, Limestone County, AL, Madison County, AL, Marion County, AL, Morgan County, AL, Pickens County, AL, Walker County, AL, Winston County, AL, Catahoula Parish, LA, Concordia Parish, LA, East Carroll Parish, LA, Franklin Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Richland Parish, LA, Tensas Parish, LA, West Carroll Parish, LA, Adams County, MS, Alcorn County, MS, Attala County, MS, Benton County, MS, Bolivar County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Choctaw County, MS, Claiborne County, MS, Clay County, MS, Coahoma County, MS, Copiah County, MS, DeSoto County, MS, Franklin County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Itawamba County, MS, Jefferson County, MS, Kemper County, MS, Lafayette County, MS, Lauderdale County, MS, Lawrence County, MS, Leake County, MS, Lee County, MS, Leflore County, MS, Lincoln County, MS, Lowndes County, MS, Madison County, MS, Marshall County, MS, Monroe County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Panola County, MS, Pontotoc County, MS, Prentiss County, MS, Quitman County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Simpson County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tippah County, MS, Tishomingo County, MS, Tunica County, MS, Union County, MS, Warren County, MS, Washington County, MS, Webster County, MS, Winston County, MS, Yalobusha County, MS, Yazoo County, MS, Bedford County, TN, Benton County, TN, Cannon County, TN, Carroll County, TN, Cheatham County, TN, Chester County, TN, Coffee County, TN, Crockett County, TN, Cumberland County, TN, Davidson County, TN, Decatur County, TN, DeKalb County, TN, Dickson County, TN, Fayette County, TN, Franklin County, TN, Gibson County, TN, Giles County, TN, Grundy County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Hickman County, TN, Humphreys County, TN, Lawrence County, TN, Lewis County, TN, Lincoln County, TN, Madison County, TN, Marshall County, TN, Maury County, TN, McNairy County, TN, Moore County, TN, Perry County, TN, Putnam County, TN, Rutherford County, TN, Shelby County, TN, Tipton County, TN, Van Buren County, TN, Warren County, TN, Wayne County, TN, White County, TN, Williamson County, TN, Wilson County, TN
The radar
The Columbus AFB radar (KGWX), 72 km from the middle of the area, began a volume at 14:55 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
- 40%
- Ten or more severe wind reports
- 40%
- 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
- 30%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
55 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 10:04 AM CDT | Tornado Warning | MEG | DeSoto | 41 min |
| May 1, 10:14 AM CDT | Flash Flood Warning | MEG | Coahoma, Quitman, Tallahatchie, Tunica | 4 hr |
| May 1, 10:26 AM CDT | Flash Flood Warning | OHX | Maury | 6 hr |
| May 1, 10:28 AM CDT | Tornado Warning | MEG | Fayette, Shelby | 47 min |
| May 1, 10:35 AM CDT | Flash Flood Warning | OHX | Williamson | 6 hr |
| May 1, 11:00 AM CDT | Severe Thunderstorm Warning | MEG | Fayette, Hardeman, Haywood | 45 min |
| May 1, 11:05 AM CDT | Tornado Warning | MEG | Fayette | 40 min |
| May 1, 11:06 AM CDT | Tornado Warning | MEG | Panola, Quitman, Tate, Tunica | 28 min |
| May 1, 11:07 AM CDT | Flash Flood Warning | MEG | Lafayette, Marshall, Panola, Quitman, Tallahatchie, Tate and 2 more | 4 hr |
| May 1, 11:13 AM CDT | Flash Flood Warning | MEG | Benton, DeSoto, Marshall, Tate | 4 hr |
| May 1, 11:23 AM CDT | Tornado Warning | MEG | Panola, Quitman | 41 min |
| May 1, 11:26 AM CDT | Flash Flood Warning | MEG | Chester, Decatur, Henderson | 64 min |
| May 1, 11:30 AM CDT | Severe Thunderstorm Warning | MEG | Chester, Hardeman, Madison | 45 min |
| May 1, 12:03 PM CDT | Severe Thunderstorm Warning | MEG | Carroll, Chester, Decatur, Henderson, Madison | 57 min |
| May 1, 12:18 PM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Dickson | 27 min |
| May 1, 12:21 PM CDT | Flash Flood Warning | MEG | Carroll, Chester, Decatur, Hardeman, Hardin, Henderson and 1 more | 6 hr |
| May 1, 12:38 PM CDT | Severe Thunderstorm Warning | MEG | Benton, Lafayette, Marshall, Union | 52 min |
| May 1, 12:41 PM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Davidson, Dickson | 34 min |
| May 1, 12:50 PM CDT | Flash Flood Warning | MEG | Alcorn, Benton, Calhoun, Lafayette, Lee, Marshall and 6 more | 5 hr |
| May 1, 1:05 PM CDT | Tornado Warning | MEG | Benton, Lafayette, Marshall, Tippah, Union | 40 min |
| May 1, 1:08 PM CDT | Severe Thunderstorm Warning | OHX | Cheatham, Davidson, Robertson, Sumner | 37 min |
| May 1, 1:17 PM CDT | Tornado Warning | MEG | Tippah, Union | 43 min |
| May 1, 1:38 PM CDT | Tornado Warning | OHX | Maury, Williamson | 22 min |
| May 1, 1:46 PM CDT | Tornado Warning | MEG | Alcorn, Prentiss, Tippah | 44 min |
| May 1, 2:09 PM CDT | Tornado Warning | MEG | Alcorn, Prentiss, Tishomingo | 36 min |
| May 1, 2:13 PM CDT | Tornado Warning | OHX | Rutherford, Williamson | 32 min |
| May 1, 2:22 PM CDT | Severe Thunderstorm Warning | MEG | Benton, Lafayette, Marshall, Pontotoc, Tippah, Union | 32 min |
| May 1, 2:25 PM CDT | Flash Flood Warning | MEG | Hardin | 3 hr |
| May 1, 2:27 PM CDT | Tornado Warning | MEG | Alcorn, Prentiss, Tishomingo | 48 min |
| May 1, 2:33 PM CDT | Tornado Warning | HUN | Colbert, Lauderdale | 42 min |
| May 1, 2:44 PM CDT | Severe Thunderstorm Warning | OHX | DeKalb, Smith, Wilson | 31 min |
| May 1, 3:12 PM CDT | Tornado Warning | HUN | Colbert, Lauderdale | 36 min |
| May 1, 3:12 PM CDT | Severe Thunderstorm Warning | OHX | Jackson, Overton, Putnam | 48 min |
| May 1, 3:18 PM CDT | Tornado Warning | OHX | Davidson, Rutherford, Williamson, Wilson | 27 min |
| May 1, 3:43 PM CDT | Flash Flood Warning | MEG | Benton, Marshall | 2 hr |
| May 1, 3:43 PM CDT | Severe Thunderstorm Warning | OHX | Lawrence, Wayne | 32 min |
| May 1, 3:46 PM CDT | Flash Flood Warning | HUN | Colbert, Lauderdale | 40 min |
| May 1, 4:16 PM CDT | Tornado Warning | OHX | Lawrence | 29 min |
| May 1, 4:22 PM CDT | Flash Flood Warning | OHX | Lawrence | 3 hr |
| May 1, 4:35 PM CDT | Tornado Warning | MEG | DeSoto, Marshall | 40 min |
| May 1, 4:36 PM CDT | Severe Thunderstorm Warning | OHX | DeKalb, Warren, White | 24 min |
| May 1, 4:41 PM CDT | Severe Thunderstorm Warning | OHX | Coffee, Grundy, Van Buren, Warren | 34 min |
| May 1, 4:44 PM CDT | Severe Thunderstorm Warning | OHX | Giles | 31 min |
| May 1, 4:47 PM CDT | Tornado Warning | MEG | DeSoto, Marshall | 28 min |
| May 1, 4:47 PM CDT | Tornado Warning | OHX | Coffee | 28 min |
| May 1, 4:52 PM CDT | Tornado Warning | OHX | Giles, Lawrence, Marshall | 23 min |
| May 1, 5:01 PM CDT | Flash Flood Warning | MEG | Fayette, Shelby, Tipton | 12 hr |
| May 1, 5:04 PM CDT | Severe Thunderstorm Warning | OHX | Cumberland, White | 26 min |
| May 1, 5:08 PM CDT | Tornado Warning | HUN | Lincoln, Moore | 22 min |
| May 1, 5:11 PM CDT | Tornado Warning | OHX | Giles, Marshall | 34 min |
| May 1, 5:16 PM CDT | Flash Flood Warning | HUN | Lincoln, Moore | 3 hr |
| May 1, 5:19 PM CDT | Severe Thunderstorm Warning | OHX | Bedford, Coffee | 26 min |
| May 1, 5:30 PM CDT | Severe Thunderstorm Warning | OHX | Cumberland | 30 min |
| May 1, 5:45 PM CDT | Tornado Warning | OHX | Coffee, Grundy, Warren | 30 min |
| May 1, 5:57 PM CDT | Severe Thunderstorm Warning | HUN | Franklin | 18 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
Little Rock, AR (KLZK), launched 12:00Z, 2.9 hours before the alert went out and 109 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.
- Mixed-layer CAPE
- 6 J/kg
- Mixed-layer CIN
- -380 J/kg
- Mixed-layer LCL
- 1493 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 9:05 PM CDT | Mesoscale Discussion | SPC | Greene, Hale, Lamar, Pickens, Sumter | 55 min |
| May 1, 3:11 AM CDT | Tornado Watch | SPC | Colbert, Franklin, Lauderdale | 8 hr |
| May 1, 6:17 AM CDT | Mesoscale Discussion | SPC | Colbert, Franklin, Lauderdale, Marion | 88 min |
| May 1, 2:54 PM CDT | Mesoscale Discussion | SPC | Colbert, Franklin, Jackson, Lauderdale, Lawrence, Limestone and 3 more | 66 min |
| May 1, 5:04 PM CDT | Mesoscale Discussion | SPC | Colbert, Cullman, Fayette, Franklin, Jackson, Lamar and 10 more | 56 min |
| May 1, 1:37 PM CDT | Mesoscale Discussion | SPC | Bossier, Claiborne, Lincoln, Morehouse, Ouachita, Union and 1 more | 53 min |
| May 1, 3:18 PM CDT | Tornado Watch | SPC | Bossier, Caddo, Claiborne, De Soto, Webster | 7 hr |
| May 1, 5:43 PM CDT | Mesoscale Discussion | SPC | Bienville, Bossier, Caddo, Claiborne, Jackson, Lincoln and 3 more | 62 min |
| Apr 30, 11:41 PM CDT | Mesoscale Discussion | SPC | Alcorn, Benton, Bolivar, Coahoma, DeSoto, Itawamba and 14 more | 64 min |
| May 1, 12:01 AM CDT | Tornado Watch | SPC | Alcorn, Benton, Calhoun, Coahoma, DeSoto, Lafayette and 10 more | 3 hr |
| May 1, 2:25 AM CDT | Mesoscale Discussion | SPC | Alcorn, Benton, Bolivar, Calhoun, Coahoma, DeSoto and 14 more | 95 min |
| May 1, 7:48 AM CDT | Mesoscale Discussion | SPC | Alcorn, Benton, Bolivar, Calhoun, Carroll, Chickasaw and 25 more | 57 min |
| May 1, 11:19 AM CDT | Mesoscale Discussion | SPC | DeSoto, Marshall, Tate, Tunica | 56 min |
| May 1, 5:35 PM CDT | Tornado Watch | SPC | Anderson, Bedford, Bledsoe, Blount, Bradley, Coffee and 19 more | 4 hr |
Nearby
Tornado Watches in Mississippi, 2010Tornado Watches in Tennessee, 2010Tornado Watches in Alabama, 2010Every tornado watch in 2010
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.