Alert archive / Arkansas / Mesoscale Discussions in 2003
Mesoscale Discussion 2048
The Storm Prediction Center issued this mesoscale discussion at Aug 1, 2003, 5:37 PM CDT for 20 counties in Arkansas; 14 counties in Oklahoma. It was in force for 53 min.
The area
The outline as issued.
The facts
- Issued
- Aug 1, 2003, 5:37 PM CDT (22:37 UTC)
- Expired
- Aug 1, 2003, 6:30 PM CDT
- In force
- 53 min
- Issued by
- the Storm Prediction Center
All 34 counties
Benton County, AR, Boone County, AR, Carroll County, AR, Cleburne County, AR, Conway County, AR, Crawford County, AR, Faulkner County, AR, Franklin County, AR, Johnson County, AR, Logan County, AR, Madison County, AR, Newton County, AR, Perry County, AR, Pope County, AR, Searcy County, AR, Sebastian County, AR, Stone County, AR, Van Buren County, AR, Washington County, AR, Yell County, AR, Adair County, OK, Cherokee County, OK, Creek County, OK, Delaware County, OK, Haskell County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Okfuskee County, OK, Okmulgee County, OK, Rogers County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK
The radar
The Western Arkansas radar (KSRX), 53 km from the middle of the area, began a volume at 22:40 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
Springfield, MO (KSGF), launched 12:00Z, 10.6 hours before the alert went out and 159 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
- 186 J/kg
- Mixed-layer CIN
- -244 J/kg
- Mixed-layer LCL
- 2058 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 171 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 |
|---|---|---|---|---|
| Aug 1, 2:58 PM CDT | Mesoscale Discussion | SPC | Clay | 2 hr |
| Aug 1, 5:40 PM CDT | Severe Thunderstorm Watch | SPC | Baxter, Benton, Boone, Carroll, Cleburne, Conway and 18 more | 5 hr |
| Aug 1, 10:35 AM CDT | Mesoscale Discussion | SPC | Craig, Kay, Nowata, Ottawa, Washington | 2 hr |
| Aug 1, 2:20 PM CDT | Severe Thunderstorm Watch | SPC | Craig, Kay, Nowata, Ottawa, Washington | 6 hr |
| Aug 1, 6:08 PM CDT | Mesoscale Discussion | SPC | Craig, Nowata, Ottawa | 2 hr |
Nearby
Mesoscale Discussions in Arkansas, 2003Mesoscale Discussions in Oklahoma, 2003Every mesoscale discussion in 2003
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.