Alert archive / Mississippi / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 348
The Storm Prediction Center issued this severe thunderstorm watch at May 29, 2005, 12:40 PM CDT for 4 states. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- May 29, 2005, 12:40 PM CDT (17:40 UTC)
- Expired
- May 29, 2005, 8:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 40 counties
Mobile County, AL, Washington County, AL, Chicot County, AR, Desha County, AR, East Carroll Parish, LA, Madison Parish, LA, West Carroll Parish, LA, Claiborne County, MS, Clarke County, MS, Copiah County, MS, Covington County, MS, Forrest County, MS, George County, MS, Greene County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Jackson County, MS, Jasper County, MS, Jefferson Davis County, MS, Jones County, MS, Lamar County, MS, Lawrence County, MS, Leake County, MS, Lincoln County, MS, Madison County, MS, Marion County, MS, Newton County, MS, Perry County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Simpson County, MS, Smith County, MS, Stone County, MS, Warren County, MS, Washington County, MS, Wayne County, MS, Yazoo County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 37 km from the middle of the area, began a volume at 17:42 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.
Warnings issued inside it
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 12:45 PM CDT | Severe Thunderstorm Warning | JAN | Forrest, Lamar, Marion | 60 min |
| May 29, 1:03 PM CDT | Severe Thunderstorm Warning | JAN | Copiah, Covington, Rankin, Simpson, Smith | 57 min |
| May 29, 1:11 PM CDT | Severe Thunderstorm Warning | JAN | Hinds, Madison | 79 min |
| May 29, 1:20 PM CDT | Severe Thunderstorm Warning | JAN | Covington, Jasper, Jones | 55 min |
| May 29, 1:27 PM CDT | Severe Thunderstorm Warning | JAN | Yazoo | 33 min |
| May 29, 1:42 PM CDT | Severe Thunderstorm Warning | JAN | Scott | 63 min |
| May 29, 2:05 PM CDT | Severe Thunderstorm Warning | JAN | Leake, Rankin, Scott | 55 min |
| May 29, 2:08 PM CDT | Severe Thunderstorm Warning | JAN | Clarke, Jasper | 67 min |
| May 29, 2:14 PM CDT | Severe Thunderstorm Warning | JAN | Lauderdale, Newton | 61 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 12:00Z, 5.7 hours before the alert went out and 28 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
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 2:34 PM CDT | Mesoscale Discussion | SPC | Butler, Choctaw, Clarke, Conecuh, Dallas, Escambia and 8 more | 56 min |
| May 29, 6:20 PM CDT | Mesoscale Discussion | SPC | Mobile, Washington | 85 min |
| May 28, 10:25 PM CDT | Mesoscale Discussion | SPC | Grant, Natchitoches, Rapides, Red River, Sabine, Vernon and 1 more | 95 min |
| May 29, 7:38 AM CDT | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Assumption, Avoyelles, Cameron and 23 more | 2 hr |
| May 29, 8:00 AM CDT | Severe Thunderstorm Watch | SPC | Acadia, Ascension, Assumption, Avoyelles, East Baton Rouge, East Feliciana and 22 more | 8 hr |
| May 29, 10:48 AM CDT | Mesoscale Discussion | SPC | Ascension, Catahoula, Concordia, East Baton Rouge, East Feliciana, Livingston and 12 more | 87 min |
| May 29, 4:45 PM CDT | Severe Thunderstorm Watch | SPC | Allen, Avoyelles, Beauregard, Catahoula, Concordia, East Baton Rouge and 17 more | 7 hr |
Nearby
Severe Thunderstorm Watches in Mississippi, 2005Severe Thunderstorm Watches in Louisiana, 2005Severe Thunderstorm Watches in Alabama, 2005Every severe thunderstorm watch 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.