Alert archive / Arkansas / Mesoscale Discussions in 2005
Mesoscale Discussion 2276
The Storm Prediction Center issued this mesoscale discussion at Sep 25, 2005, 3:07 AM CDT for 5 states. It was in force for 53 min.
The area
The outline as issued.
The facts
- Issued
- Sep 25, 2005, 3:07 AM CDT (08:07 UTC)
- Expired
- Sep 25, 2005, 4:00 AM CDT
- In force
- 53 min
- Issued by
- the Storm Prediction Center
All 91 counties
Arkansas County, AR, Ashley County, AR, Baxter County, AR, Boone County, AR, Bradley County, AR, Chicot County, AR, Cleburne County, AR, Cleveland County, AR, Conway County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Desha County, AR, Drew County, AR, Faulkner County, AR, Grant County, AR, Greene County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Jefferson County, AR, Lawrence County, AR, Lee County, AR, Lincoln County, AR, Lonoke County, AR, Marion County, AR, Mississippi County, AR, Monroe County, AR, Phillips County, AR, Poinsett County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, Searcy County, AR, Sharp County, AR, St. Francis County, AR, Stone County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR, Catahoula Parish, LA, Concordia 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, Dunklin County, MO, Adams County, MS, Attala County, MS, Bolivar County, MS, Carroll County, MS, Claiborne County, MS, Coahoma County, MS, Copiah County, MS, Covington County, MS, DeSoto County, MS, Franklin County, MS, Grenada County, MS, Hinds County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Jasper County, MS, Jefferson County, MS, Jefferson Davis County, MS, Jones County, MS, Lawrence County, MS, Leake County, MS, Leflore County, MS, Lincoln County, MS, Madison County, MS, Montgomery County, MS, Panola County, MS, Quitman County, MS, Rankin County, MS, Scott County, MS, Sharkey County, MS, Simpson County, MS, Smith County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tunica County, MS, Warren County, MS, Washington County, MS, Yalobusha County, MS, Yazoo County, MS, Shelby County, TN
The radar
The Little Rock radar (KLZK), 97 km from the middle of the area, began a volume at 08:10 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 8.1 hours before the alert went out and 146 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
- 150 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 650 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Sep 24, 8:55 PM CDT | Tornado Watch | SPC | Arkansas, Ashley, Baxter, Boone, Bradley, Chicot and 34 more | 7 hr |
| Sep 24, 11:31 PM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Chicot, Cleburne, Cleveland and 30 more | 89 min |
| Sep 25, 3:40 AM CDT | Tornado Watch | SPC | Arkansas, Chicot, Clay, Craighead, Crittenden, Cross and 15 more | 9 hr |
| Sep 25, 9:32 AM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Crittenden, Greene, Lawrence, Mississippi and 3 more | 88 min |
| Sep 25, 11:05 AM CDT | Tornado Watch | SPC | Alcorn, Itawamba, Lee, Monroe, Prentiss, Tishomingo | 8 hr |
| Sep 25, 12:30 PM CDT | Tornado Watch | SPC | Attala, Choctaw, Claiborne, Clarke, Copiah, Covington and 26 more | 6 hr |
| Sep 25, 1:21 PM CDT | Mesoscale Discussion | SPC | Adams, Attala, Choctaw, Clarke, Clay, Copiah and 33 more | 114 min |
| Sep 25, 3:41 PM CDT | Mesoscale Discussion | SPC | Adams, Attala, Choctaw, Clarke, Clay, Copiah and 33 more | 94 min |
| Sep 25, 6:05 PM CDT | Mesoscale Discussion | SPC | Clarke, Clay, Jasper, Kemper, Lauderdale, Leake and 11 more | 55 min |
| Sep 25, 6:50 PM CDT | Tornado Watch | SPC | Attala, Choctaw, Clarke, Clay, Itawamba, Jasper and 15 more | 6 hr |
| Sep 25, 3:24 PM CDT | Mesoscale Discussion | SPC | Adair, Andrew, Atchison, Buchanan, Caldwell, Clark and 22 more | 96 min |
Nearby
Mesoscale Discussions in Arkansas, 2005Mesoscale Discussions in Mississippi, 2005Mesoscale Discussions in Louisiana, 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.