Alert archive / Mississippi / Mesoscale Discussions in 2003
Mesoscale Discussion 1763
The Storm Prediction Center issued this mesoscale discussion at Jul 10, 2003, 2:05 PM CDT for Ashley County, Chicot County, Arkansas; 8 parishes in Louisiana; 38 counties in Mississippi. It was in force for 115 min.
The area
The outline as issued.
The facts
- Issued
- Jul 10, 2003, 2:05 PM CDT (19:05 UTC)
- Expired
- Jul 10, 2003, 4:00 PM CDT
- In force
- 115 min
- Issued by
- the Storm Prediction Center
All 48 counties
Ashley County, AR, Chicot County, AR, Caldwell 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, Attala County, MS, Bolivar County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Choctaw County, MS, Clarke County, MS, Clay County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Jasper County, MS, Kemper County, MS, Lauderdale County, MS, Leake County, MS, Leflore County, MS, Lowndes County, MS, Madison County, MS, Monroe 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, Smith County, MS, Sunflower County, MS, Tallahatchie County, MS, Warren County, MS, Washington County, MS, Webster County, MS, Winston County, MS, Yalobusha County, MS, Yazoo County, MS
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 7.1 hours before the alert went out and 79 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
- 1934 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 606 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
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 |
|---|---|---|---|---|
| Jul 10, 9:45 AM CDT | Mesoscale Discussion | SPC | Ashley, Bradley, Calhoun, Chicot, Cleveland, Columbia and 7 more | 60 min |
| Jul 10, 10:40 AM CDT | Severe Thunderstorm Watch | SPC | Ashley, Bradley, Calhoun, Chicot, Cleveland, Dallas and 5 more | 5 hr |
| Jul 10, 10:23 AM CDT | Mesoscale Discussion | SPC | Alcorn, Benton, Itawamba, Lafayette, Lee, Prentiss and 3 more | 97 min |
| Jul 10, 12:15 PM CDT | Severe Thunderstorm Watch | SPC | Attala, Calhoun, Chickasaw, Choctaw, Clarke, Clay and 16 more | 4 hr |
Nearby
Mesoscale Discussions in Mississippi, 2003Mesoscale Discussions in Louisiana, 2003Mesoscale Discussions in Arkansas, 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.