Alert archive / Mississippi / Tornado Watches in 2008
Tornado Watch 303
The Storm Prediction Center issued this tornado watch at May 10, 2008, 10:07 PM CDT for 15 parishes in Louisiana; 22 counties in Mississippi. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 10, 2008, 10:07 PM CDT (03:07 UTC)
- Expired
- May 11, 2008, 2:37 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 60 kt
All 37 counties
Bienville Parish, LA, Caldwell Parish, LA, Claiborne Parish, LA, East Carroll Parish, LA, Franklin Parish, LA, Jackson Parish, LA, Lincoln Parish, LA, Madison Parish, LA, Morehouse Parish, LA, Ouachita Parish, LA, Richland Parish, LA, Tensas Parish, LA, Union Parish, LA, Webster Parish, LA, West Carroll Parish, LA, Attala County, MS, Choctaw County, MS, Clay County, MS, Hinds County, MS, Issaquena County, MS, Kemper County, MS, Lauderdale County, MS, Leake County, MS, Lowndes County, MS, Madison County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Warren County, MS, Webster County, MS, Winston County, MS, Yazoo County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 148 km from the middle of the area, began a volume at 03:07 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
- 40%
- One or more EF2 to EF5 tornadoes
- 30%
- Ten or more severe wind reports
- 30%
- 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
- 80%
Warnings issued inside it
3 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 10:57 PM CDT | Severe Thunderstorm Warning | SHV | Claiborne, Lincoln, Union | 63 min |
| May 10, 11:23 PM CDT | Severe Thunderstorm Warning | JAN | Morehouse, West Carroll | 42 min |
| May 11, 12:45 AM CDT | Severe Thunderstorm Warning | JAN | Clay | 15 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, 3.1 hours before the alert went out and 138 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
- 1922 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 1090 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 205 m²/s²
- 0-3 km storm-relative helicity
- 209 m²/s²
- Significant tornado parameter
- 2.3
- Supercell composite
- 10.3
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 10, 7:36 PM CDT | Mesoscale Discussion | SPC | Arkansas, Crittenden, Lee, Monroe, Phillips | 54 min |
| May 10, 9:21 PM CDT | Mesoscale Discussion | SPC | Craighead, Crittenden, Mississippi, Poinsett | 84 min |
| May 10, 9:42 PM CDT | Mesoscale Discussion | SPC | Arkansas, Baxter, Cleburne, Cleveland, Conway, Dallas and 22 more | 93 min |
| May 11, 1:39 AM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Avoyelles, Beauregard, Calcasieu, Catahoula and 19 more | 96 min |
Nearby
Tornado Watches in Mississippi, 2008Tornado Watches in Louisiana, 2008Every tornado watch in 2008
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.