Alert archive / Oklahoma / Mesoscale Discussions in 2007
Mesoscale Discussion 263
The Storm Prediction Center issued this mesoscale discussion at Mar 9, 2007, 6:56 PM CST for 5 states. It was in force for 64 min.
The area
The outline as issued.
The facts
- Issued
- Mar 9, 2007, 6:56 PM CST (00:56 UTC)
- Expired
- Mar 9, 2007, 8:00 PM CST
- In force
- 64 min
- Issued by
- the Storm Prediction Center
All 58 counties
Benton County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Howard County, AR, Little River County, AR, Logan County, AR, Madison County, AR, Miller County, AR, Polk County, AR, Scott County, AR, Sebastian County, AR, Sevier County, AR, Washington County, AR, Cherokee County, KS, Crawford County, KS, Labette County, KS, Barry County, MO, Barton County, MO, Cedar County, MO, Dade County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Vernon County, MO, Adair County, OK, Atoka County, OK, Bryan County, OK, Cherokee County, OK, Choctaw County, OK, Craig County, OK, Delaware County, OK, Haskell County, OK, Latimer County, OK, LeFlore County, OK, Mayes County, OK, McCurtain County, OK, Muskogee County, OK, Ottawa County, OK, Pushmataha County, OK, Sequoyah County, OK, Bowie County, TX, Camp County, TX, Cass County, TX, Delta County, TX, Fannin County, TX, Franklin County, TX, Hopkins County, TX, Hunt County, TX, Lamar County, TX, Marion County, TX, Morris County, TX, Rains County, TX, Red River County, TX, Titus County, TX, Upshur County, TX, Wood County, TX
The radar
The Western Arkansas radar (KSRX), 50 km from the middle of the area, began a volume at 00:57 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, 0.9 hours before the alert went out and 193 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
- 150 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 847 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 147 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.1
- 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 |
|---|---|---|---|---|
| Mar 9, 8:59 PM CST | Mesoscale Discussion | SPC | Benton, Carroll, Crawford, Franklin, Hempstead, Howard and 12 more | 61 min |
| Mar 10, 5:56 PM CST | Mesoscale Discussion | SPC | Armstrong, Briscoe, Carson, Donley, Floyd, Gray and 4 more | 64 min |
Nearby
Mesoscale Discussions in Oklahoma, 2007Mesoscale Discussions in Texas, 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.