Alert archive / Mississippi / Mesoscale Discussions in 2005
Mesoscale Discussion 408
The Storm Prediction Center issued this mesoscale discussion at Mar 26, 2005, 11:32 PM CST for 37 counties in Mississippi. It was in force for 58 min.
The area
The outline as issued.
The facts
- Issued
- Mar 26, 2005, 11:32 PM CST (05:32 UTC)
- Expired
- Mar 27, 2005, 12:30 AM CST
- In force
- 58 min
- Issued by
- the Storm Prediction Center
All 37 counties
Attala County, MS, Bolivar County, MS, Calhoun County, MS, Carroll County, MS, Chickasaw County, MS, Choctaw County, MS, Clay County, MS, Coahoma County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Lafayette County, MS, Leake County, MS, Lee County, MS, Leflore County, MS, Lowndes County, MS, Madison County, MS, Monroe County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Oktibbeha County, MS, Panola County, MS, Pontotoc County, MS, Quitman County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Sunflower County, MS, Tallahatchie County, MS, Union County, MS, Washington County, MS, Webster County, MS, Winston County, MS, Yalobusha County, MS, Yazoo County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 138 km from the middle of the area, began a volume at 05:33 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.
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 5.5 hours before the alert went out and 134 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
- 356 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1347 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
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 |
|---|---|---|---|---|
| Mar 26, 8:35 PM CST | Tornado Watch | SPC | Amite, Attala, Calhoun, Carroll, Chickasaw, Choctaw and 38 more | 7 hr |
| Mar 26, 8:45 PM CST | Tornado Watch | SPC | Clarke, Forrest, George, Greene, Hancock, Harrison and 6 more | 7 hr |
| Mar 26, 9:18 PM CST | Mesoscale Discussion | SPC | Bolivar, Coahoma, Quitman, Sunflower, Tunica, Washington | 57 min |
| Mar 26, 10:43 PM CST | Mesoscale Discussion | SPC | Clarke, Jasper, Lauderdale | 62 min |
| Mar 27, 1:14 AM CST | Mesoscale Discussion | SPC | Clarke, Covington, Forrest, George, Greene, Hancock and 23 more | 91 min |
| Mar 27, 3:27 AM CST | Mesoscale Discussion | SPC | Amite, Chickasaw, Choctaw, Clarke, Clay, Covington and 31 more | 33 min |
Nearby
Mesoscale Discussions in Mississippi, 2005Every mesoscale discussion in 2005
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.