Alert archive / Mississippi / Severe Thunderstorm Watches in 2011
Severe Thunderstorm Watch 485
The Storm Prediction Center issued this severe thunderstorm watch at Jun 16, 2011, 3:39 PM CDT for Choctaw County, Washington County, Alabama; 40 counties in Mississippi. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 16, 2011, 3:39 PM CDT (20:39 UTC)
- Expired
- Jun 16, 2011, 9:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
All 42 counties
Choctaw County, AL, Washington County, AL, Attala County, MS, Bolivar County, MS, Carroll County, MS, Choctaw County, MS, Clarke County, MS, Clay County, MS, Covington County, MS, Forrest County, MS, Greene County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Jasper County, MS, Jefferson Davis County, MS, Jones County, MS, Kemper County, MS, Lamar County, MS, Lauderdale County, MS, Leake County, MS, Leflore County, MS, Lowndes County, MS, Madison County, MS, Marion County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Perry County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Sunflower County, MS, Washington County, MS, Wayne County, MS, Webster County, MS, Winston County, MS, Yazoo County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 50 km from the middle of the area, began a volume at 20:40 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
- 5%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 40%
- 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
- 5%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
16 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 3:39 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 51 min |
| Jun 16, 3:42 PM CDT | Severe Thunderstorm Warning | MOB | George, Greene, Perry | 20 min |
| Jun 16, 4:07 PM CDT | Severe Thunderstorm Warning | JAN | Choctaw, Oktibbeha | 38 min |
| Jun 16, 4:25 PM CDT | Severe Thunderstorm Warning | JAN | Lauderdale | 50 min |
| Jun 16, 4:34 PM CDT | Severe Thunderstorm Warning | JAN | Choctaw, Webster | 41 min |
| Jun 16, 4:50 PM CDT | Severe Thunderstorm Warning | JAN | Winston | 40 min |
| Jun 16, 4:52 PM CDT | Severe Thunderstorm Warning | MOB | Choctaw | 38 min |
| Jun 16, 4:54 PM CDT | Severe Thunderstorm Warning | JAN | Attala, Choctaw, Winston | 51 min |
| Jun 16, 5:03 PM CDT | Flash Flood Warning | JAN | Choctaw, Oktibbeha, Webster | 117 min |
| Jun 16, 5:10 PM CDT | Severe Thunderstorm Warning | JAN | Choctaw, Oktibbeha, Winston | 30 min |
| Jun 16, 5:24 PM CDT | Severe Thunderstorm Warning | JAN | Attala, Leake, Neshoba, Winston | 51 min |
| Jun 16, 5:24 PM CDT | Severe Thunderstorm Warning | MOB | Wayne | 26 min |
| Jun 16, 5:49 PM CDT | Severe Thunderstorm Warning | JAN | Leake, Neshoba | 41 min |
| Jun 16, 6:39 PM CDT | Severe Thunderstorm Warning | JAN | Jasper | 37 min |
| Jun 16, 6:57 PM CDT | Severe Thunderstorm Warning | JAN | Madison, Rankin, Scott | 48 min |
| Jun 16, 7:17 PM CDT | Severe Thunderstorm Warning | JAN | Leake, Scott | 30 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 12:02 PM CDT | Mesoscale Discussion | SPC | Baldwin, Choctaw, Clarke, Escambia, Mobile, Monroe and 1 more | 58 min |
| Jun 16, 3:13 PM CDT | Mesoscale Discussion | SPC | Choctaw, Clarke, Marengo, Monroe, Sumter, Washington | 62 min |
| Jun 16, 4:41 PM CDT | Severe Thunderstorm Watch | SPC | Alcorn, Benton, Coahoma, DeSoto, Marshall, Panola and 6 more | 7 hr |
| Jun 16, 6:18 PM CDT | Mesoscale Discussion | SPC | Attala, Benton, Bolivar, Carroll, Clarke, Coahoma and 19 more | 87 min |
Nearby
Severe Thunderstorm Watches in Mississippi, 2011Severe Thunderstorm Watches in Alabama, 2011Every severe thunderstorm watch in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.