Alert archive / Arkansas / Mesoscale Discussions in 2007
Mesoscale Discussion 1067
The Storm Prediction Center issued this mesoscale discussion at Jun 8, 2007, 3:25 PM CDT for 17 counties in Arkansas; 10 counties in Mississippi. It was in force for 95 min.
The area
The outline as issued.
The facts
- Issued
- Jun 8, 2007, 3:25 PM CDT (20:25 UTC)
- Expired
- Jun 8, 2007, 5:00 PM CDT
- In force
- 95 min
- Issued by
- the Storm Prediction Center
All 27 counties
Arkansas County, AR, Bradley County, AR, Calhoun County, AR, Clark County, AR, Cleveland County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Grant County, AR, Hot Spring County, AR, Jefferson County, AR, Lee County, AR, Lincoln County, AR, Monroe County, AR, Nevada County, AR, Ouachita County, AR, Phillips County, AR, Bolivar County, MS, Coahoma County, MS, DeSoto County, MS, Lafayette County, MS, Marshall County, MS, Panola County, MS, Quitman County, MS, Tallahatchie County, MS, Tate County, MS, Tunica County, MS
The radar
The Little Rock radar (KLZK), 113 km from the middle of the area, began a volume at 20:28 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
Little Rock, AR (KLZK), launched 12:00Z, 8.4 hours before the alert went out and 165 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
- 2031 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 724 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 115 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 5.0
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 |
|---|---|---|---|---|
| Jun 7, 11:12 PM CDT | Mesoscale Discussion | SPC | Benton, Carroll, Washington | 93 min |
| Jun 7, 11:43 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more | 7 hr |
| Jun 8, 6:23 AM CDT | Mesoscale Discussion | SPC | Baxter, Clay, Cleburne, Franklin, Fulton, Greene and 11 more | 67 min |
| Jun 8, 8:32 AM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Clark, Cleburne and 42 more | 58 min |
| Jun 8, 9:03 AM CDT | Severe Thunderstorm Watch | SPC | Arkansas, Bradley, Calhoun, Clark, Cleburne, Cleveland and 38 more | 7 hr |
| Jun 8, 2:12 PM CDT | Mesoscale Discussion | SPC | Union | 3 hr |
| Jun 8, 2:50 PM CDT | Mesoscale Discussion | SPC | Itawamba, Monroe | 85 min |
Nearby
Mesoscale Discussions in Arkansas, 2007Mesoscale Discussions in Mississippi, 2007Every mesoscale discussion in 2007
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.