Alert archive / Oklahoma / Mesoscale Discussions in 2008

Mesoscale Discussion 24

January 7, 200810 counties in Kansas; 9 counties in Missouri; 15 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Jan 7, 2008, 11:18 PM CST for 10 counties in Kansas; 9 counties in Missouri; 15 counties in Oklahoma. It was in force for 87 min.

The area

The outline as issued.

The facts

Issued: Jan 7, 2008, 11:18 PM CST (05:18 UTC)
Expired: Jan 8, 2008, 12:45 AM CST
In force: 87 min
Issued by: the Storm Prediction Center

All 34 counties

Allen County, KS, Bourbon County, KS, Chautauqua County, KS, Cherokee County, KS, Crawford County, KS, Labette County, KS, Linn County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Barton County, MO, Bates County, MO, Benton County, MO, Cedar County, MO, Henry County, MO, Johnson County, MO, Pettis County, MO, St. Clair County, MO, Vernon County, MO, Canadian County, OK, Craig County, OK, Creek County, OK, Lincoln County, OK, Logan County, OK, Nowata County, OK, Okfuskee County, OK, Oklahoma County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Payne County, OK, Rogers County, OK, Tulsa County, OK, Washington County, OK

The radar

The Springfield radar (KSGF), 145 km from the middle of the area, began a volume at 05:19 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, 5.3 hours before the alert went out and 126 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 765 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 955 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 281 m²/s²
0-3 km storm-relative helicity: 338 m²/s²
Significant tornado parameter: 1.7
Supercell composite: 7.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 7, 6:11 PM CST	Mesoscale Discussion	SPC	Bourbon, Cherokee, Crawford, Labette, Montgomery, Neosho	94 min
Jan 7, 6:57 PM CST	Mesoscale Discussion	SPC	Crawford	93 min
Jan 7, 8:25 PM CST	Mesoscale Discussion	SPC	Allen, Bourbon, Chautauqua, Cherokee, Crawford, Labette and 4 more	65 min
Jan 7, 8:55 PM CST	Severe Thunderstorm Watch	SPC	Allen, Bourbon, Chautauqua, Cherokee, Crawford, Labette and 4 more	8 hr
Jan 8, 3:44 AM CST	Mesoscale Discussion	SPC	Allen, Bourbon, Chautauqua, Cherokee, Crawford, Elk and 5 more	91 min
Jan 7, 7:48 PM CST	Tornado Watch PDS	SPC	Audrain, Barry, Benton, Bollinger, Boone, Callaway and 55 more	9 hr
Jan 7, 10:04 PM CST	Mesoscale Discussion	SPC	Barry, Callaway, Camden, Christian, Cole, Dallas and 19 more	86 min
Jan 8, 2:02 AM CST	Mesoscale Discussion	SPC	Dent, Douglas, Shannon, Texas, Wright	118 min
Jan 8, 8:34 AM CST	Tornado Watch	SPC	Butler, Dunklin, Mississippi, New Madrid, Pemiscot, Ripley and 2 more	5 hr
Jan 8, 11:27 AM CST	Mesoscale Discussion	SPC	Bollinger, Butler, Cape Girardeau, Carter, Dunklin, Madison and 9 more	2 hr
Jan 8, 1:11 PM CST	Mesoscale Discussion	SPC	Dunklin, Mississippi, Pemiscot	2 hr
Jan 8, 1:26 PM CST	Tornado Watch	SPC	Pemiscot	8 hr

Nearby

Mesoscale Discussions in Oklahoma, 2008 Mesoscale Discussions in Kansas, 2008 Mesoscale Discussions in Missouri, 2008 Every mesoscale discussion in 2008

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.