Alert archive / Oklahoma / Mesoscale Discussions in 2004
Mesoscale Discussion 197
The Storm Prediction Center issued this mesoscale discussion at Mar 17, 2004, 8:01 PM CST for 10 counties in Arkansas; 16 counties in Oklahoma. It was in force for 89 min.
The area
The outline as issued.
The facts
- Issued
- Mar 17, 2004, 8:01 PM CST (02:01 UTC)
- Expired
- Mar 17, 2004, 9:30 PM CST
- In force
- 89 min
- Issued by
- the Storm Prediction Center
All 26 counties
Benton County, AR, Crawford County, AR, Franklin County, AR, Johnson County, AR, Logan County, AR, Madison County, AR, Scott County, AR, Sebastian County, AR, Washington County, AR, Yell County, AR, Adair County, OK, Cherokee County, OK, Creek County, OK, Delaware County, OK, Haskell County, OK, LeFlore County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Rogers County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK
The radar
The Tulsa radar (KINX), 58 km from the middle of the area, began a volume at 02:03 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 00:00Z, 2.0 hours before the alert went out and 190 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1939 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 333 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 |
|---|---|---|---|---|
| Mar 17, 7:07 PM CST | Mesoscale Discussion | SPC | Benton, Carroll | 53 min |
| Mar 17, 9:38 PM CST | Mesoscale Discussion | SPC | Clark, Crawford, Dallas, Franklin, Garland, Grant and 12 more | 97 min |
| Mar 17, 10:00 PM CST | Severe Thunderstorm Watch | SPC | Clark, Cleveland, Conway, Crawford, Dallas, Faulkner and 17 more | 5 hr |
| Mar 17, 11:55 PM CST | Mesoscale Discussion | SPC | Clark, Cleveland, Conway, Crawford, Dallas, Faulkner and 16 more | 95 min |
| Mar 17, 6:16 PM CST | Mesoscale Discussion | SPC | Atoka, Coal, Johnston, Murray, Pontotoc, Pottawatomie and 2 more | 59 min |
Nearby
Mesoscale Discussions in Oklahoma, 2004Mesoscale Discussions in Arkansas, 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.