Alert archive / Mississippi / Mesoscale Discussions in 2010
Mesoscale Discussion 1981
The Storm Prediction Center issued this mesoscale discussion at Oct 24, 2010, 7:01 PM CDT for 25 counties in Mississippi; Hardeman County, Tennessee. It was in force for 59 min.
The area
The outline as issued.
The facts
- Issued
- Oct 24, 2010, 7:01 PM CDT (00:01 UTC)
- Expired
- Oct 24, 2010, 8:00 PM CDT
- In force
- 59 min
- Issued by
- the Storm Prediction Center
All 26 counties
Benton County, MS, Bolivar County, MS, Calhoun County, MS, Carroll County, MS, Coahoma County, MS, Grenada County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Lafayette County, MS, Leflore County, MS, Marshall County, MS, Montgomery County, MS, Panola County, MS, Pontotoc County, MS, Quitman County, MS, Sharkey County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Union County, MS, Washington County, MS, Webster County, MS, Yalobusha County, MS, Yazoo County, MS, Hardeman County, TN
The radar
The Memphis radar (KNQA), 166 km from the middle of the area, began a volume at 00:04 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, 0.0 hours before the alert went out and 109 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
- 79 J/kg
- Mixed-layer CIN
- -138 J/kg
- Mixed-layer LCL
- 1875 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 167 m²/s²
- 0-3 km storm-relative helicity
- 122 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 |
|---|---|---|---|---|
| Oct 24, 8:23 PM CDT | Mesoscale Discussion | SPC | Alcorn, Attala, Benton, Bolivar, Calhoun, Carroll and 42 more | 67 min |
| Oct 24, 8:46 PM CDT | Severe Thunderstorm Watch | SPC | Alcorn, Attala, Benton, Bolivar, Calhoun, Carroll and 44 more | 7 hr |
| Oct 24, 11:35 PM CDT | Mesoscale Discussion | SPC | Attala, Bolivar, Calhoun, Carroll, Chickasaw, Choctaw and 35 more | 55 min |
| Oct 25, 4:35 AM CDT | Tornado Watch | SPC | Blount, Bradley, Cocke, Greene, Hamilton, Jefferson and 6 more | 7 hr |
| Oct 25, 6:49 AM CDT | Mesoscale Discussion | SPC | Carter, Cocke, Greene, Jefferson, Johnson, Sevier and 3 more | 116 min |
Nearby
Mesoscale Discussions in Mississippi, 2010Mesoscale Discussions in Tennessee, 2010Every mesoscale discussion in 2010
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.