Alert archive / Mississippi / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 35
The Storm Prediction Center issued this severe thunderstorm watch at Feb 23, 2005, 11:45 AM CST for 21 parishes in Louisiana; 33 counties in Mississippi. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 23, 2005, 11:45 AM CST (17:45 UTC)
- Expired
- Feb 23, 2005, 6:00 PM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 54 counties
Allen Parish, LA, Avoyelles Parish, LA, Caldwell Parish, LA, Catahoula Parish, LA, Concordia Parish, LA, East Baton Rouge Parish, LA, East Feliciana Parish, LA, Evangeline Parish, LA, Franklin Parish, LA, Grant Parish, LA, LaSalle Parish, LA, Madison Parish, LA, Pointe Coupee Parish, LA, Rapides Parish, LA, Saint Helena Parish, LA, Saint Landry Parish, LA, Tangipahoa Parish, LA, Tensas Parish, LA, Washington Parish, LA, West Feliciana Parish, LA, Winn Parish, LA, Adams County, MS, Amite County, MS, Claiborne County, MS, Clarke County, MS, Copiah County, MS, Covington County, MS, Forrest County, MS, Franklin County, MS, George County, MS, Greene County, MS, Hinds County, MS, Jasper County, MS, Jefferson County, MS, Jefferson Davis County, MS, Jones County, MS, Lamar County, MS, Lauderdale County, MS, Lawrence County, MS, Lincoln County, MS, Marion County, MS, Newton County, MS, Pearl River County, MS, Perry County, MS, Pike County, MS, Rankin County, MS, Scott County, MS, Simpson County, MS, Smith County, MS, Stone County, MS, Walthall County, MS, Warren County, MS, Wayne County, MS, Wilkinson County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 128 km from the middle of the area, began a volume at 17:45 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
5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 23, 12:06 PM CST | Severe Thunderstorm Warning | JAN | Catahoula, Franklin | 39 min |
| Feb 23, 12:36 PM CST | Severe Thunderstorm Warning | JAN | Tensas | 39 min |
| Feb 23, 1:12 PM CST | Severe Thunderstorm Warning | JAN | Tensas | 48 min |
| Feb 23, 1:37 PM CST | Severe Thunderstorm Warning | JAN | Concordia | 23 min |
| Feb 23, 1:56 PM CST | Severe Thunderstorm Warning | JAN | Adams, Franklin | 49 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, 5.8 hours before the alert went out and 123 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
- 201 J/kg
- Mixed-layer CIN
- -185 J/kg
- Mixed-layer LCL
- 597 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 107 m²/s²
- 0-3 km storm-relative helicity
- 162 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 23, 7:50 AM CST | Mesoscale Discussion | SPC | Beauregard, De Soto, Grant, Natchitoches, Rapides, Red River and 2 more | 115 min |
| Feb 23, 10:35 AM CST | Mesoscale Discussion | SPC | Acadia, Allen, Ascension, Avoyelles, Beauregard, Bienville and 37 more | 115 min |
| Feb 23, 12:13 PM CST | Mesoscale Discussion | SPC | East Carroll, West Carroll | 2 hr |
| Feb 23, 3:08 PM CST | Mesoscale Discussion | SPC | Acadia, Ascension, Cameron, East Baton Rouge, East Feliciana, Iberville and 14 more | 2 hr |
Nearby
Severe Thunderstorm Watches in Mississippi, 2005Severe Thunderstorm Watches in Louisiana, 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.