Alert archive / Mississippi / Severe Thunderstorm Watches in 2006
Severe Thunderstorm Watch 331
The Storm Prediction Center issued this severe thunderstorm watch at May 10, 2006, 11:09 AM CDT for Ashley County, Chicot County, Phillips County, Arkansas; 9 counties in Mississippi. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- May 10, 2006, 11:09 AM CDT (16:09 UTC)
- Expired
- May 10, 2006, 2:19 PM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
Counties Ashley County, AR, Chicot County, AR, Phillips County, AR, Bolivar County, MS, Coahoma County, MS, Humphreys County, MS, Leflore County, MS, Quitman County, MS, Sharkey County, MS, Sunflower County, MS, Tallahatchie County, MS, Washington County, MS
The radar
The Little Rock radar (KLZK), 162 km from the middle of the area, began a volume at 16:09 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
- 20%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 30%
- 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
- 50%
Warnings issued inside it
8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 11:18 AM CDT | Severe Thunderstorm Warning | MEG | Phillips | 42 min |
| May 10, 11:18 AM CDT | Severe Thunderstorm Warning | JAN | Bolivar | 42 min |
| May 10, 11:35 AM CDT | Severe Thunderstorm Warning | JAN | Sunflower | 40 min |
| May 10, 11:56 AM CDT | Severe Thunderstorm Warning | JAN | Chicot | 44 min |
| May 10, 11:57 AM CDT | Severe Thunderstorm Warning | MEG | Quitman, Tallahatchie | 26 min |
| May 10, 12:15 PM CDT | Flash Flood Warning | JAN | Bolivar, Leflore, Sunflower | 2 hr |
| May 10, 12:21 PM CDT | Severe Thunderstorm Warning | JAN | Humphreys, Sunflower | 24 min |
| May 10, 12:32 PM CDT | Severe Thunderstorm Warning | JAN | Leflore | 43 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 12:00Z, 4.2 hours before the alert went out and 184 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
- 2188 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 511 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 163 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 6.4
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 9:18 PM CDT | Tornado Watch | SPC | Hempstead, Howard, Johnson, Little River, Logan, Miller and 7 more | 6 hr |
| May 9, 11:14 PM CDT | Severe Thunderstorm Watch | SPC | Arkansas, Bradley, Calhoun, Clark, Cleburne, Cleveland and 22 more | 5 hr |
| May 10, 12:41 AM CDT | Severe Thunderstorm Watch | SPC | Ashley, Chicot, Craighead, Crittenden, Cross, Lee and 4 more | 7 hr |
| May 10, 4:01 AM CDT | Mesoscale Discussion | SPC | Clark, Crawford, Franklin, Garland, Hempstead, Hot Spring and 14 more | 89 min |
| May 10, 4:24 AM CDT | Severe Thunderstorm Watch | SPC | Arkansas, Bradley, Calhoun, Clark, Cleburne, Cleveland and 42 more | 8 hr |
| May 10, 6:27 AM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 39 more | 93 min |
| May 10, 10:57 AM CDT | Mesoscale Discussion | SPC | Ashley, Bradley, Chicot, Union | 2 hr |
| May 9, 9:54 PM CDT | Mesoscale Discussion | SPC | George, Greene | 2 hr |
| May 10, 2:05 AM CDT | Mesoscale Discussion | SPC | Alcorn, Calhoun, Chickasaw, Choctaw, Clay, Itawamba and 10 more | 55 min |
| May 10, 2:24 AM CDT | Severe Thunderstorm Watch | SPC | Alcorn, Attala, Calhoun, Chickasaw, Choctaw, Clay and 17 more | 5 hr |
| May 10, 4:01 AM CDT | Mesoscale Discussion | SPC | Attala, Chickasaw, Choctaw, Clay, Holmes, Kemper and 10 more | 89 min |
| May 10, 5:47 AM CDT | Mesoscale Discussion | SPC | Kemper, Lauderdale, Noxubee | 88 min |
| May 10, 8:31 AM CDT | Mesoscale Discussion | SPC | Attala, Calhoun, Carroll, Chickasaw, Choctaw, Clay and 18 more | 89 min |
| May 10, 9:48 AM CDT | Severe Thunderstorm Watch | SPC | Alcorn, Attala, Calhoun, Carroll, Chickasaw, Choctaw and 20 more | 5 hr |
| May 10, 12:03 PM CDT | Tornado Watch | SPC | Adams, Claiborne, Clarke, Copiah, Covington, Franklin and 21 more | 9 hr |
| May 10, 1:45 PM CDT | Tornado Watch | SPC | George, Greene, Perry, Stone, Wayne | 7 hr |
| May 10, 2:42 PM CDT | Mesoscale Discussion | SPC | Claiborne, Clarke, Copiah, Covington, Hinds, Issaquena and 19 more | 2 hr |
| May 10, 6:05 PM CDT | Mesoscale Discussion | SPC | Amite, Pike, Walthall, Wilkinson | 85 min |
Nearby
Severe Thunderstorm Watches in Mississippi, 2006Severe Thunderstorm Watches in Arkansas, 2006Every severe thunderstorm watch in 2006
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.