Alert archive / Oklahoma / Mesoscale Discussions in 2004
Mesoscale Discussion 2376
The Storm Prediction Center issued this mesoscale discussion at Oct 29, 2004, 8:31 PM CDT for 9 counties in Arkansas; Barry County, McDonald County, Stone County, Missouri; 15 counties in Oklahoma. It was in force for 89 min.
The area
The outline as issued.
The facts
- Issued
- Oct 29, 2004, 8:31 PM CDT (01:31 UTC)
- Expired
- Oct 29, 2004, 10:00 PM CDT
- In force
- 89 min
- Issued by
- the Storm Prediction Center
All 27 counties
Benton County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Madison County, AR, Polk County, AR, Scott County, AR, Sebastian County, AR, Washington County, AR, Barry County, MO, McDonald County, MO, Stone County, MO, Adair County, OK, Atoka County, OK, Bryan County, OK, Cherokee County, OK, Choctaw County, OK, Delaware County, OK, Haskell County, OK, Latimer County, OK, LeFlore County, OK, McCurtain County, OK, McIntosh County, OK, Muskogee County, OK, Pittsburg County, OK, Pushmataha County, OK, Sequoyah County, OK
The radar
The Western Arkansas radar (KSRX), 60 km from the middle of the area, began a volume at 01:33 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 nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 1.5 hours before the alert went out and 156 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
- 452 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 736 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 251 m²/s²
- 0-3 km storm-relative helicity
- 279 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 2.9
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 |
|---|---|---|---|---|
| Oct 29, 10:23 PM CDT | Mesoscale Discussion | SPC | Carroll, Crawford, Franklin, Madison, Polk, Scott and 2 more | 67 min |
| Oct 29, 7:05 PM CDT | Mesoscale Discussion | SPC | Adair, Barton, Bates, Benton, Boone, Caldwell and 41 more | 85 min |
| Oct 29, 9:02 PM CDT | Mesoscale Discussion | SPC | Clark, Scotland | 88 min |
| Oct 29, 9:14 PM CDT | Mesoscale Discussion | SPC | Benton, Boone, Camden, Chariton, Clark, Cooper and 17 more | 31 min |
Nearby
Mesoscale Discussions in Oklahoma, 2004Mesoscale Discussions in Arkansas, 2004Mesoscale Discussions in Missouri, 2004Every mesoscale discussion in 2004
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.