Alert archive / Arkansas / Mesoscale Discussions in 2008
Mesoscale Discussion 338
The Storm Prediction Center issued this mesoscale discussion at Mar 4, 2008, 1:25 AM CST for 30 counties in Arkansas; 14 counties in Missouri. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 4, 2008, 1:25 AM CST (07:25 UTC)
- Expired
- Mar 4, 2008, 5:30 AM CST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 44 counties
Baxter County, AR, Boone County, AR, Carroll County, AR, Cleburne County, AR, Conway County, AR, Crawford County, AR, Faulkner County, AR, Franklin County, AR, Fulton County, AR, Garland County, AR, Independence County, AR, Izard County, AR, Johnson County, AR, Lawrence County, AR, Logan County, AR, Madison County, AR, Marion County, AR, Montgomery County, AR, Newton County, AR, Perry County, AR, Polk County, AR, Pope County, AR, Randolph County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Sharp County, AR, Stone County, AR, Van Buren County, AR, Yell County, AR, Carter County, MO, Christian County, MO, Dent County, MO, Douglas County, MO, Howell County, MO, Oregon County, MO, Ozark County, MO, Reynolds County, MO, Ripley County, MO, Shannon County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Wright County, MO
The radar
The Little Rock radar (KLZK), 137 km from the middle of the area, began a volume at 07:24 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 00:00Z, 7.4 hours before the alert went out and 276 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
- 2 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 472 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 252 m²/s²
- 0-3 km storm-relative helicity
- 374 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 |
|---|---|---|---|---|
| Mar 3, 6:15 PM CST | Mesoscale Discussion | SPC | Crawford, Polk, Scott, Sebastian, Washington | 6 hr |
| Mar 4, 4:22 AM CST | Mesoscale Discussion | SPC | Baxter, Fulton, Lawrence, Randolph, Sharp | 4 hr |
| Mar 3, 7:31 PM CST | Mesoscale Discussion | SPC | Perry, Sainte Genevieve | 5 hr |
Nearby
Mesoscale Discussions in Arkansas, 2008Mesoscale Discussions in Missouri, 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.