Alert archive / Arkansas / Mesoscale Discussions in 2003
Mesoscale Discussion 2069
The Storm Prediction Center issued this mesoscale discussion at Aug 3, 2003, 9:54 AM CDT for 5 states. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 3, 2003, 9:54 AM CDT (14:54 UTC)
- Expired
- Aug 3, 2003, 12:30 PM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
All 84 counties
Arkansas County, AR, Ashley County, AR, Bradley County, AR, Calhoun County, AR, Chicot County, AR, Clark County, AR, Cleveland County, AR, Columbia County, AR, Conway County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Faulkner County, AR, Garland County, AR, Grant County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Jefferson County, AR, Lafayette County, AR, Lee County, AR, Lincoln County, AR, Little River County, AR, Logan County, AR, Lonoke County, AR, Miller County, AR, Monroe County, AR, Montgomery County, AR, Nevada County, AR, Ouachita County, AR, Perry County, AR, Phillips County, AR, Pike County, AR, Polk County, AR, Pope County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, Scott County, AR, Sebastian County, AR, Sevier County, AR, St. Francis County, AR, Union County, AR, White County, AR, Woodruff County, AR, Yell County, AR, Claiborne Parish, LA, East Carroll Parish, LA, Morehouse Parish, LA, Union Parish, LA, West Carroll Parish, LA, Bolivar 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, Montgomery County, MS, Panola County, MS, Quitman County, MS, Sharkey County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tunica County, MS, Washington County, MS, Yalobusha County, MS, Yazoo County, MS, Atoka County, OK, Bryan County, OK, Choctaw County, OK, Coal County, OK, Johnston County, OK, LeFlore County, OK, Marshall County, OK, McCurtain County, OK, Murray County, OK, Pushmataha County, OK, Bowie County, TX, Lamar County, TX, Red River County, TX
The radar
The Little Rock radar (KLZK), 117 km from the middle of the area, began a volume at 14:56 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 12:00Z, 2.9 hours before the alert went out and 300 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
- 1065 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 1236 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 129 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 4.8
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 3, 1:39 AM CDT | Mesoscale Discussion | SPC | Benton, Crawford, Franklin, Sebastian, Washington | 96 min |
| Aug 3, 2:35 AM CDT | Severe Thunderstorm Watch | SPC | Scott, Sebastian | 5 hr |
| Aug 3, 5:00 AM CDT | Mesoscale Discussion | SPC | Scott, Sebastian | 60 min |
| Aug 3, 2:20 PM CDT | Severe Thunderstorm Watch | SPC | Clay | 6 hr |
| Aug 3, 5:38 PM CDT | Mesoscale Discussion | SPC | Baxter, Boone, Carroll, Fulton, Marion | 2 hr |
| Aug 3, 1:07 PM CDT | Mesoscale Discussion | SPC | Calhoun, Chickasaw, Choctaw, Clay, Grenada, Itawamba and 8 more | 113 min |
Nearby
Mesoscale Discussions in Arkansas, 2003Mesoscale Discussions in Mississippi, 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.