Alert archive / Missouri / Mesoscale Discussions in 2007
Mesoscale Discussion 565
The Storm Prediction Center issued this mesoscale discussion at Apr 24, 2007, 3:10 PM CDT for 51 counties in Arkansas; 57 counties in Missouri. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 24, 2007, 3:10 PM CDT (20:10 UTC)
- Expired
- Apr 24, 2007, 5:15 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 108 counties
Arkansas County, AR, Ashley County, AR, Baxter County, AR, Bradley County, AR, Calhoun County, AR, Clark County, AR, Clay County, AR, Cleburne County, AR, Cleveland County, AR, Columbia County, AR, Conway County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Faulkner County, AR, Fulton County, AR, Grant County, AR, Greene County, AR, Hot Spring County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Jefferson County, AR, Lafayette County, AR, Lawrence County, AR, Lee County, AR, Lincoln County, AR, Lonoke County, AR, Marion County, AR, Mississippi County, AR, Monroe County, AR, Nevada County, AR, Ouachita County, AR, Perry County, AR, Phillips County, AR, Poinsett County, AR, Prairie County, AR, Pulaski County, AR, Randolph County, AR, Saline County, AR, Searcy County, AR, Sharp County, AR, St. Francis County, AR, Stone County, AR, Union County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR, Audrain County, MO, Benton County, MO, Bollinger County, MO, Boone County, MO, Butler County, MO, Callaway County, MO, Camden County, MO, Carroll County, MO, Carter County, MO, Chariton County, MO, Christian County, MO, Cole County, MO, Cooper County, MO, Crawford County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Dunklin County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Hickory County, MO, Howard County, MO, Howell County, MO, Iron County, MO, Jefferson County, MO, Johnson County, MO, Laclede County, MO, Lafayette County, MO, Madison County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Montgomery County, MO, Morgan County, MO, Oregon County, MO, Osage County, MO, Ozark County, MO, Pemiscot County, MO, Pettis County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, Randolph County, MO, Reynolds County, MO, Ripley County, MO, Saint Francois County, MO, Saline County, MO, Shannon County, MO, Stoddard County, MO, Taney County, MO, Texas County, MO, Warren County, MO, Washington County, MO, Wayne County, MO, Webster County, MO, Wright County, MO
The radar
The Little Rock radar (KLZK), 125 km from the middle of the area, began a volume at 20:12 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, 8.2 hours before the alert went out and 177 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
- 129 J/kg
- Mixed-layer CIN
- -207 J/kg
- Mixed-layer LCL
- 1045 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 102 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 |
|---|---|---|---|---|
| Apr 24, 12:40 PM CDT | Mesoscale Discussion | SPC | Polk, Sebastian | 2 hr |
| Apr 24, 2:40 PM CDT | Tornado Watch | SPC | Howard, Little River, Miller, Sevier | 8 hr |
| Apr 24, 3:01 PM CDT | Tornado Watch | SPC | Benton, Carroll, Clark, Conway, Crawford, Dallas and 17 more | 7 hr |
| Apr 24, 1:13 PM CDT | Mesoscale Discussion | SPC | Bollinger, Butler, Cape Girardeau, Madison, Mississippi, New Madrid and 7 more | 92 min |
| Apr 24, 2:03 PM CDT | Mesoscale Discussion | SPC | Andrew, Barton, Bates, Benton, Buchanan, Caldwell and 28 more | 87 min |
| Apr 24, 3:24 PM CDT | Tornado Watch | SPC | Andrew, Barton, Bates, Buchanan, Cass, Cedar and 15 more | 5 hr |
| Apr 24, 5:48 PM CDT | Tornado Watch | SPC | Adair, Audrain, Benton, Boone, Caldwell, Callaway and 41 more | 6 hr |
Nearby
Mesoscale Discussions in Missouri, 2007Mesoscale Discussions in Arkansas, 2007Every mesoscale discussion in 2007
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.