Alert archive / Mississippi / Mesoscale Discussions in 2003
Mesoscale Discussion 2114
The Storm Prediction Center issued this mesoscale discussion at Aug 6, 2003, 9:34 PM CDT for Choctaw County, Mobile County, Washington County, Alabama; 37 counties in Mississippi. It was in force for 86 min.
The area
The outline as issued.
The facts
- Issued
- Aug 6, 2003, 9:34 PM CDT (02:34 UTC)
- Expired
- Aug 6, 2003, 11:00 PM CDT
- In force
- 86 min
- Issued by
- the Storm Prediction Center
All 40 counties
Choctaw County, AL, Mobile County, AL, Washington County, AL, Attala County, MS, Carroll County, MS, Choctaw County, MS, Clarke County, MS, Covington County, MS, Forrest County, MS, George County, MS, Greene County, MS, Hancock County, MS, Harrison County, MS, Holmes County, MS, Jackson 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, Madison County, MS, Marion County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Pearl River County, MS, Perry County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Stone County, MS, Wayne County, MS, Webster County, MS, Winston County, MS
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 2.6 hours before the alert went out and 50 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
- 4421 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1023 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 157 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 11.7
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 7:45 PM CDT | Severe Thunderstorm Watch | SPC | Choctaw, Mobile, Washington | 5 hr |
| Aug 7, 12:38 AM CDT | Mesoscale Discussion | SPC | Clarke, Copiah, Covington, Hinds, Jasper, Jefferson Davis and 9 more | 37 min |
Nearby
Mesoscale Discussions in Mississippi, 2003Mesoscale Discussions in Alabama, 2003Every mesoscale discussion in 2003
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.