Alert archive / Arkansas / Mesoscale Discussions in 2005
Mesoscale Discussion 2211
The Storm Prediction Center issued this mesoscale discussion at Sep 15, 2005, 1:43 PM CDT for 23 counties in Arkansas; 22 counties in Texas. It was in force for 92 min.
The area
The outline as issued.
The facts
- Issued
- Sep 15, 2005, 1:43 PM CDT (18:43 UTC)
- Expired
- Sep 15, 2005, 3:15 PM CDT
- In force
- 92 min
- Issued by
- the Storm Prediction Center
All 45 counties
Ashley County, AR, Bradley County, AR, Calhoun County, AR, Clark County, AR, Cleveland County, AR, Columbia County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Grant County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Jefferson County, AR, Lafayette County, AR, Lincoln County, AR, Little River County, AR, Miller County, AR, Nevada County, AR, Ouachita County, AR, Pike County, AR, Sevier County, AR, Union County, AR, Bowie County, TX, Camp County, TX, Cass County, TX, Collin County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Franklin County, TX, Hood County, TX, Hopkins County, TX, Hunt County, TX, Kaufman County, TX, Morris County, TX, Palo Pinto County, TX, Parker County, TX, Rains County, TX, Red River County, TX, Rockwall County, TX, Stephens County, TX, Tarrant County, TX, Titus County, TX, Wood County, TX
The radar
The Shreveport radar (KSHV), 140 km from the middle of the area, began a volume at 18:43 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
Shreveport, LA (KSHV), launched 12:00Z, 6.7 hours before the alert went out and 142 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
- 715 J/kg
- Mixed-layer CIN
- -110 J/kg
- Mixed-layer LCL
- 907 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- -25 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.2
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 |
|---|---|---|---|---|
| Sep 15, 6:48 AM CDT | Mesoscale Discussion | SPC | Montgomery, Polk, Scott, Sebastian, Sevier | 27 min |
| Sep 15, 2:05 PM CDT | Severe Thunderstorm Watch | SPC | Arkansas, Bradley, Calhoun, Clark, Cleveland, Columbia and 17 more | 5 hr |
| Sep 15, 5:29 PM CDT | Mesoscale Discussion | SPC | Arkansas, Bradley, Calhoun, Columbia, Drew, Hempstead and 7 more | 61 min |
| Sep 14, 9:11 PM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Cottle, Crosby, Dickens, Floyd and 11 more | 64 min |
| Sep 15, 2:35 AM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Clay, Cooke, Delta, Fannin and 8 more | 25 min |
| Sep 15, 3:00 AM CDT | Severe Thunderstorm Watch | SPC | Wichita, Wilbarger | 7 hr |
Nearby
Mesoscale Discussions in Arkansas, 2005Mesoscale Discussions in Texas, 2005Every mesoscale discussion in 2005
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.