Alert archive / Mississippi / Mesoscale Discussions in 2005
Mesoscale Discussion 1056
The Storm Prediction Center issued this mesoscale discussion at May 29, 2005, 2:34 PM CDT for 14 counties in Alabama; 16 counties in Mississippi. It was in force for 56 min.
The area
The outline as issued.
The facts
- Issued
- May 29, 2005, 2:34 PM CDT (19:34 UTC)
- Expired
- May 29, 2005, 3:30 PM CDT
- In force
- 56 min
- Issued by
- the Storm Prediction Center
All 30 counties
Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Dallas County, AL, Escambia County, AL, Greene County, AL, Hale County, AL, Marengo County, AL, Monroe County, AL, Pickens County, AL, Sumter County, AL, Washington County, AL, Wilcox County, AL, Attala County, MS, Carroll County, MS, Choctaw County, MS, Clarke County, MS, Holmes County, MS, Kemper County, MS, Lauderdale County, MS, Leake County, MS, Lowndes County, MS, Montgomery County, MS, Neshoba County, MS, Newton County, MS, Noxubee County, MS, Oktibbeha County, MS, Wayne County, MS, Winston County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 119 km from the middle of the area, began a volume at 19:36 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 12:00Z, 7.6 hours before the alert went out and 127 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
- 92 J/kg
- Mixed-layer CIN
- -184 J/kg
- Mixed-layer LCL
- 1079 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
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 |
|---|---|---|---|---|
| May 29, 12:40 PM CDT | Severe Thunderstorm Watch | SPC | Mobile, Washington | 7 hr |
| May 29, 6:20 PM CDT | Mesoscale Discussion | SPC | Mobile, Washington | 85 min |
| May 29, 7:38 AM CDT | Mesoscale Discussion | SPC | Amite, Forrest, George, Greene, Hancock, Harrison and 8 more | 2 hr |
| May 29, 8:00 AM CDT | Severe Thunderstorm Watch | SPC | Amite, Covington, Forrest, Franklin, George, Greene and 16 more | 8 hr |
| May 29, 10:48 AM CDT | Mesoscale Discussion | SPC | Adams, Amite, Claiborne, Copiah, Covington, Forrest and 20 more | 87 min |
| May 29, 4:45 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Amite, Copiah, Covington, Franklin, Jefferson and 9 more | 7 hr |
Nearby
Mesoscale Discussions in Mississippi, 2005Mesoscale Discussions in Alabama, 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.