Alert archive / Missouri / Mesoscale Discussions in 2003
Mesoscale Discussion 2498
The Storm Prediction Center issued this mesoscale discussion at Nov 17, 2003, 6:42 AM CST for 4 states. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Nov 17, 2003, 6:42 AM CST (12:42 UTC)
- Expired
- Nov 17, 2003, 9:15 AM CST
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
All 81 counties
Adair County, IA, Adams County, IA, Boone County, IA, Clarke County, IA, Dallas County, IA, Decatur County, IA, Greene County, IA, Guthrie County, IA, Jasper County, IA, Lucas County, IA, Madison County, IA, Marion County, IA, Marshall County, IA, Polk County, IA, Ringgold County, IA, Story County, IA, Taylor County, IA, Union County, IA, Warren County, IA, Wayne County, IA, Allen County, KS, Anderson County, KS, Atchison County, KS, Bourbon County, KS, Chautauqua County, KS, Cherokee County, KS, Coffey County, KS, Crawford County, KS, Doniphan County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Jefferson County, KS, Johnson County, KS, Labette County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Montgomery County, KS, Neosho County, KS, Osage County, KS, Shawnee County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Andrew County, MO, Barton County, MO, Bates County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Henry County, MO, Holt County, MO, Jackson County, MO, Jasper County, MO, Johnson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Mercer County, MO, Nodaway County, MO, Pettis County, MO, Platte County, MO, Ray County, MO, Saline County, MO, St. Clair County, MO, Sullivan County, MO, Vernon County, MO, Worth County, MO, Nowata County, OK, Osage County, OK, Washington County, OK
The radar
The Pleasant Hill radar (KEAX), 56 km from the middle of the area, began a volume at 12:41 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, 0.7 hours before the alert went out and 120 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
- 3 J/kg
- Mixed-layer CIN
- -375 J/kg
- Mixed-layer LCL
- 837 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 309 m²/s²
- 0-3 km storm-relative helicity
- 284 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 |
|---|---|---|---|---|
| Nov 17, 3:07 PM CST | Mesoscale Discussion | SPC | Adams, Audubon, Cass, Fremont, Harrison, Mills and 5 more | 113 min |
| Nov 17, 3:45 PM CST | Tornado Watch | SPC | Adair, Adams, Cass, Fremont, Mills, Montgomery and 3 more | 5 hr |
| Nov 17, 5:42 PM CST | Mesoscale Discussion | SPC | Mills | 93 min |
| Nov 17, 1:11 AM CST | Mesoscale Discussion | SPC | Barber, Clark, Comanche, Harper, Kingman, Kiowa and 4 more | 3 hr |
| Nov 17, 7:43 AM CST | Mesoscale Discussion | SPC | Atoka, Bryan, Carter, Choctaw, Cleveland, Coal and 27 more | 3 hr |
| Nov 17, 8:15 AM CST | Tornado Watch | SPC | Atoka, Bryan, Canadian, Carter, Cleveland, Coal and 37 more | 5 hr |
| Nov 17, 10:59 AM CST | Mesoscale Discussion | SPC | Atoka, Bryan, Canadian, Carter, Cleveland, Coal and 36 more | 91 min |
| Nov 17, 12:20 PM CST | Tornado Watch | SPC | Atoka, Bryan, Carter, Choctaw, Cleveland, Coal and 18 more | 6 hr |
| Nov 17, 2:57 PM CST | Mesoscale Discussion | SPC | Atoka, Bryan, Choctaw, Coal, Haskell, Johnston and 6 more | 2 hr |
| Nov 17, 5:25 PM CST | Mesoscale Discussion | SPC | LeFlore, McCurtain | 65 min |
Nearby
Mesoscale Discussions in Missouri, 2003Mesoscale Discussions in Kansas, 2003Mesoscale Discussions in Iowa, 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.