Alert archive / Arkansas / Mesoscale Discussions in 2008
Mesoscale Discussion 535
The Storm Prediction Center issued this mesoscale discussion at Apr 3, 2008, 5:22 AM CDT for 31 counties in Arkansas. It was in force for 113 min.
The area
The outline as issued.
The facts
- Issued
- Apr 3, 2008, 5:22 AM CDT (10:22 UTC)
- Expired
- Apr 3, 2008, 7:15 AM CDT
- In force
- 113 min
- Issued by
- the Storm Prediction Center
All 31 counties
Arkansas County, AR, Cleburne County, AR, Cleveland County, AR, Conway County, AR, Crawford County, AR, Cross County, AR, Faulkner County, AR, Franklin County, AR, Garland County, AR, Grant County, AR, Hot Spring County, AR, Jefferson County, AR, Johnson County, AR, Lee County, AR, Lincoln County, AR, Logan County, AR, Lonoke County, AR, Monroe County, AR, Montgomery County, AR, Perry County, AR, Pope County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, Scott County, AR, Sebastian County, AR, St. Francis County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR, Yell County, AR
The radar
The Little Rock radar (KLZK), 29 km from the middle of the area, began a volume at 10:23 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
Springfield, MO (KSGF), launched 00:00Z, 10.4 hours before the alert went out and 240 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2089 m above ground
- 0-6 km bulk shear
- 75 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 243 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 |
|---|---|---|---|---|
| Apr 3, 2:39 PM CDT | Mesoscale Discussion | SPC | Benton, Crawford, Franklin, Johnson, Logan, Madison and 6 more | 66 min |
| Apr 3, 3:50 PM CDT | Tornado Watch | SPC | Baxter, Benton, Boone, Carroll, Cleburne, Conway and 20 more | 5 hr |
| Apr 3, 5:32 PM CDT | Mesoscale Discussion | SPC | Clark, Garland, Hempstead, Hot Spring, Howard, Lafayette and 9 more | 58 min |
| Apr 3, 5:54 PM CDT | Tornado Watch | SPC | Howard, Little River, Miller, Sevier | 3 hr |
| Apr 3, 6:12 PM CDT | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Crawford, Franklin and 9 more | 2 hr |
Nearby
Mesoscale Discussions in Arkansas, 2008Every mesoscale discussion in 2008
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.