Alert archive / Kansas / Mesoscale Discussions in 2003
Mesoscale Discussion 1740
The Storm Prediction Center issued this mesoscale discussion at Jul 9, 2003, 2:10 PM CDT for 36 counties in Kansas; Buchanan County, Clay County, Platte County, Missouri; Richardson County, Nebraska. It was in force for 35 min.
The area
The outline as issued.
The facts
- Issued
- Jul 9, 2003, 2:10 PM CDT (19:10 UTC)
- Expired
- Jul 9, 2003, 2:45 PM CDT
- In force
- 35 min
- Issued by
- the Storm Prediction Center
All 40 counties
Anderson County, KS, Atchison County, KS, Brown County, KS, Butler County, KS, Chase County, KS, Coffey County, KS, Dickinson County, KS, Doniphan County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Geary County, KS, Greenwood County, KS, Harvey County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Kingman County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Marion County, KS, McPherson County, KS, Miami County, KS, Morris County, KS, Nemaha County, KS, Osage County, KS, Pottawatomie County, KS, Pratt County, KS, Reno County, KS, Riley County, KS, Sedgwick County, KS, Shawnee County, KS, Wabaunsee County, KS, Woodson County, KS, Wyandotte County, KS, Buchanan County, MO, Clay County, MO, Platte County, MO, Richardson County, NE
The radar
The Topeka radar (KTWX), 42 km from the middle of the area, began a volume at 19:12 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
Topeka, KS (KTOP), launched 12:00Z, 7.2 hours before the alert went out and 82 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
- 1183 J/kg
- Mixed-layer CIN
- -170 J/kg
- Mixed-layer LCL
- 1049 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 152 m²/s²
- 0-3 km storm-relative helicity
- 103 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 |
|---|---|---|---|---|
| Jul 9, 3:55 PM CDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Atchison, Barber, Brown, Butler and 40 more | 6 hr |
| Jul 9, 6:13 PM CDT | Mesoscale Discussion | SPC | Allen, Anderson, Atchison, Bourbon, Brown, Butler and 31 more | 92 min |
| Jul 8, 8:59 PM CDT | Mesoscale Discussion | SPC | Adair, Andrew, Clark, Daviess, DeKalb, Gentry and 18 more | 2 hr |
| Jul 9, 12:34 PM CDT | Mesoscale Discussion | SPC | Adair, Audrain, Boone, Callaway, Chariton, Cole and 24 more | 56 min |
| Jul 9, 5:38 PM CDT | Mesoscale Discussion | SPC | Clark, Putnam, Schuyler, Scotland | 97 min |
| Jul 8, 8:45 PM CDT | Tornado Watch | SPC | Antelope, Blaine, Boyd, Brown, Cedar, Cherry and 16 more | 5 hr |
| Jul 8, 11:30 PM CDT | Mesoscale Discussion | SPC | Boone, Buffalo, Burt, Butler, Cherry, Clay and 28 more | 60 min |
| Jul 8, 11:45 PM CDT | Tornado Watch | SPC | Adams, Antelope, Blaine, Boone, Boyd, Brown and 42 more | 5 hr |
| Jul 9, 1:10 AM CDT | Severe Thunderstorm Watch | SPC | Burt, Cass, Dakota, Dodge, Douglas, Otoe and 4 more | 6 hr |
| Jul 9, 2:54 AM CDT | Mesoscale Discussion | SPC | Adams, Antelope, Boone, Boyd, Buffalo, Butler and 29 more | 96 min |
| Jul 9, 4:15 AM CDT | Mesoscale Discussion | SPC | Cass, Douglas, Sarpy, Washington | 2 hr |
Nearby
Mesoscale Discussions in Kansas, 2003Mesoscale Discussions in Missouri, 2003Mesoscale Discussions in Nebraska, 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.