Alert archive / Arkansas / Mesoscale Discussions in 2006

Mesoscale Discussion 2187

November 10, 200639 counties in Arkansas; 11 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Nov 10, 2006, 1:56 PM CST for 39 counties in Arkansas; 11 counties in Missouri. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued: Nov 10, 2006, 1:56 PM CST (19:56 UTC)
Expired: Nov 10, 2006, 3:30 PM CST
In force: 94 min
Issued by: the Storm Prediction Center

All 50 counties

Baxter County, AR, Boone County, AR, Carroll County, AR, Clark County, AR, Cleburne County, AR, Conway County, AR, Faulkner County, AR, Franklin County, AR, Fulton County, AR, Garland County, AR, Grant County, AR, Hot Spring County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Johnson County, AR, Lawrence County, AR, Logan County, AR, Lonoke County, AR, Madison County, AR, Marion County, AR, Montgomery County, AR, Newton County, AR, Perry County, AR, Pike County, AR, Pope County, AR, Prairie County, AR, Pulaski County, AR, Randolph County, AR, Saline County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Sharp County, AR, Stone County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR, Yell County, AR, Carter County, MO, Dent County, MO, Douglas County, MO, Howell County, MO, Oregon County, MO, Ozark County, MO, Reynolds County, MO, Shannon County, MO, Taney County, MO, Texas County, MO, Wright County, MO

The radar

The Little Rock radar (KLZK), 104 km from the middle of the area, began a volume at 19:57 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 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, 7.9 hours before the alert went out and 177 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: 1061 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 596 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 220 m²/s²
0-3 km storm-relative helicity: 223 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.9

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
Nov 10, 2:44 PM CST	Tornado Watch	SPC	Arkansas, Baxter, Cleburne, Conway, Faulkner, Fulton and 25 more	7 hr
Nov 10, 4:48 PM CST	Mesoscale Discussion	SPC	Calhoun, Clark, Cleveland, Columbia, Dallas, Hempstead and 5 more	87 min
Nov 10, 5:22 PM CST	Severe Thunderstorm Watch	SPC	Bradley, Calhoun, Cleveland, Columbia, Dallas, Desha and 6 more	5 hr
Nov 10, 5:29 PM CST	Mesoscale Discussion	SPC	Clay, Craighead, Crittenden, Cross, Greene, Mississippi and 1 more	91 min
Nov 10, 5:57 PM CST	Tornado Watch	SPC	Clay, Craighead, Crittenden, Cross, Greene, Lee and 4 more	5 hr
Nov 10, 9:34 AM CST	Mesoscale Discussion	SPC	Clark, Lewis, Marion, Pike, Ralls	116 min
Nov 10, 12:17 PM CST	Mesoscale Discussion	SPC	Adair, Audrain, Barry, Barton, Bates, Benton and 67 more	58 min
Nov 10, 12:47 PM CST	Severe Thunderstorm Watch	SPC	Adair, Audrain, Benton, Boone, Callaway, Chariton and 27 more	5 hr
Nov 10, 3:15 PM CST	Mesoscale Discussion	SPC	Franklin, Jefferson, Saint Charles, Saint Louis, City of Saint Louis	60 min

Nearby

Mesoscale Discussions in Arkansas, 2006 Mesoscale Discussions in Missouri, 2006 Every mesoscale discussion in 2006

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.