Alert archive / Missouri / Mesoscale Discussions in 2008

Mesoscale Discussion 14

January 7, 20084 states

The Storm Prediction Center issued this mesoscale discussion at Jan 7, 2008, 12:25 PM CST for 4 states. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jan 7, 2008, 12:25 PM CST (18:25 UTC)
Expired: Jan 7, 2008, 2:30 PM CST
In force: 2 hr
Issued by: the Storm Prediction Center

All 52 counties

Benton County, AR, Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Barton County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Cedar County, MO, Cole County, MO, Cooper County, MO, Dade County, MO, Dallas County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jasper County, MO, Johnson County, MO, Lawrence County, MO, McDonald County, MO, Miller County, MO, Moniteau County, MO, Morgan County, MO, Newton County, MO, Pettis County, MO, Polk County, MO, St. Clair County, MO, Vernon County, MO, Cherokee County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Lincoln County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Ottawa County, OK, Pottawatomie County, OK, Rogers County, OK, Seminole County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Springfield radar (KSGF), 119 km from the middle of the area, began a volume at 18:28 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 12:00Z, 6.4 hours before the alert went out and 81 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: 203 J/kg
Mixed-layer CIN: -79 J/kg
Mixed-layer LCL: 773 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 404 m²/s²
0-3 km storm-relative helicity: 396 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.2

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, 4:02 PM CST	Tornado Watch	SPC	Benton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more	5 hr
Jan 7, 1:52 PM CST	Tornado Watch	SPC	Allen, Bourbon, Cherokee, Crawford, Labette, Linn and 2 more	146 days
Jan 7, 4:34 PM CST	Mesoscale Discussion	SPC	Bourbon, Cherokee, Crawford, Labette	86 min
Jan 7, 7:26 AM CST	Mesoscale Discussion	SPC	Harrison, Mercer, Putnam	2 hr
Jan 7, 1:47 PM CST	Mesoscale Discussion	SPC	Clark, Lewis, Lincoln, Marion, Monroe, Pike and 2 more	58 min

Nearby

Mesoscale Discussions in Missouri, 2008 Mesoscale Discussions in Oklahoma, 2008 Mesoscale Discussions in Kansas, 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.