Alert archive / Arkansas / Mesoscale Discussions in 2003
Mesoscale Discussion 1314
The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2003, 4:53 AM CDT for 4 states. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 11, 2003, 4:53 AM CDT (09:53 UTC)
- Expired
- Jun 11, 2003, 7:30 AM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
All 42 counties
Arkansas County, AR, Bradley County, AR, Chicot County, AR, Clay County, AR, Cleburne County, AR, Cleveland County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Desha County, AR, Drew County, AR, Greene County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Jefferson County, AR, Lawrence County, AR, Lee County, AR, Lincoln County, AR, Lonoke County, AR, Mississippi County, AR, Monroe County, AR, Phillips County, AR, Poinsett County, AR, Prairie County, AR, Randolph County, AR, Sharp County, AR, St. Francis County, AR, Stone County, AR, White County, AR, Woodruff County, AR, Dunklin County, MO, Pemiscot County, MO, Bolivar County, MS, Coahoma County, MS, DeSoto County, MS, Quitman County, MS, Tate County, MS, Tunica County, MS, Lauderdale County, TN, Shelby County, TN, Tipton County, TN
The radar
The Little Rock radar (KLZK), 103 km from the middle of the area, began a volume at 09:56 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Little Rock, AR (KLZK), launched 00:00Z, 9.9 hours before the alert went out and 108 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
- 2822 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1070 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 4.2
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 10, 9:38 PM CDT | Mesoscale Discussion | SPC | Benton, Crawford, Franklin, Polk, Scott, Sebastian and 1 more | 2 hr |
| Jun 11, 1:48 AM CDT | Mesoscale Discussion | SPC | Baxter, Boone, Carroll, Clark, Columbia, Conway and 37 more | 3 hr |
| Jun 11, 6:10 AM CDT | Severe Thunderstorm Watch | SPC | Ashley, Bradley, Calhoun, Chicot, Clark, Cleveland and 12 more | 5 hr |
| Jun 11, 7:54 AM CDT | Mesoscale Discussion | SPC | Ashley, Bradley, Calhoun, Chicot, Clark, Cleveland and 12 more | 2 hr |
| Jun 11, 1:53 PM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 19 more | 67 min |
| Jun 11, 9:21 AM CDT | Mesoscale Discussion | SPC | Alcorn, Attala, Benton, Calhoun, Carroll, Chickasaw and 44 more | 54 min |
| Jun 11, 10:33 AM CDT | Mesoscale Discussion | SPC | Amite, Attala, Claiborne, Clarke, Copiah, Covington and 28 more | 87 min |
| Jun 11, 10:45 AM CDT | Severe Thunderstorm Watch | SPC | Alcorn, Benton, Calhoun, Carroll, Chickasaw, Choctaw and 24 more | 5 hr |
| Jun 11, 12:26 PM CDT | Mesoscale Discussion | SPC | Alcorn, Benton, Calhoun, Carroll, Chickasaw, Choctaw and 24 more | 64 min |
| Jun 11, 3:01 PM CDT | Mesoscale Discussion | SPC | Alcorn, Benton, Calhoun, Carroll, Chickasaw, Choctaw and 24 more | 29 min |
| Jun 11, 3:30 PM CDT | Severe Thunderstorm Watch | SPC | Alcorn, Benton, Bolivar, Calhoun, Chickasaw, Coahoma and 17 more | 5 hr |
| Jun 11, 4:57 PM CDT | Mesoscale Discussion | SPC | Alcorn, Benton, Calhoun, Chickasaw, Itawamba, Lafayette and 12 more | 93 min |
| Jun 10, 7:28 PM CDT | Mesoscale Discussion | SPC | Barry, Barton, Bollinger, Camden, Cape Girardeau, Cedar and 29 more | 3 hr |
| Jun 11, 9:57 AM CDT | Mesoscale Discussion | SPC | Anderson, Bledsoe, Campbell, Cannon, Claiborne, Cumberland and 16 more | 63 min |
| Jun 11, 10:30 AM CDT | Severe Thunderstorm Watch | SPC | Anderson, Bledsoe, Bradley, Campbell, Claiborne, Coffee and 27 more | 6 hr |
| Jun 11, 1:13 PM CDT | Mesoscale Discussion | SPC | Anderson, Bledsoe, Bradley, Campbell, Claiborne, Coffee and 27 more | 92 min |
| Jun 11, 3:25 PM CDT | Severe Thunderstorm Watch | SPC | Anderson, Bedford, Bledsoe, Blount, Bradley, Campbell and 37 more | 5 hr |
Nearby
Mesoscale Discussions in Arkansas, 2003Mesoscale Discussions in Mississippi, 2003Mesoscale Discussions in Tennessee, 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.