Alert archive / Arkansas / Mesoscale Discussions in 2007

Mesoscale Discussion 1081

June 10, 200723 counties in Arkansas; 16 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Jun 10, 2007, 12:33 PM CDT for 23 counties in Arkansas; 16 counties in Missouri. It was in force for 57 min.

The area

The outline as issued.

The facts

Issued: Jun 10, 2007, 12:33 PM CDT (17:33 UTC)
Expired: Jun 10, 2007, 1:30 PM CDT
In force: 57 min
Issued by: the Storm Prediction Center

All 39 counties

Baxter County, AR, Boone County, AR, Carroll County, AR, Clay County, AR, Cleburne County, AR, Crawford County, AR, Franklin County, AR, Fulton County, AR, Greene County, AR, Independence County, AR, Izard County, AR, Johnson County, AR, Lawrence County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Pope County, AR, Randolph County, AR, Searcy County, AR, Sharp County, AR, Stone County, AR, Van Buren County, AR, Washington County, AR, Barry County, MO, Butler County, MO, Carter County, MO, Christian County, MO, Douglas County, MO, Howell County, MO, Oregon County, MO, Ozark County, MO, Reynolds County, MO, Ripley County, MO, Shannon County, MO, Stoddard County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Wayne County, MO

The radar

The Little Rock radar (KLZK), 173 km from the middle of the area, began a volume at 17:36 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.

Severe Thunderstorm Watch 376Jun 10, 1:40 PM CDT

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 5.6 hours before the alert went out and 189 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: 1180 J/kg
Mixed-layer CIN: -66 J/kg
Mixed-layer LCL: 1117 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: 25 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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
Jun 10, 1:37 PM CDT	Severe Thunderstorm Watch	SPC	Baxter, Benton, Boone, Carroll, Conway, Crawford and 17 more	9 hr
Jun 10, 3:35 PM CDT	Mesoscale Discussion	SPC	Baxter, Benton, Boone, Carroll, Conway, Crawford and 17 more	55 min
Jun 10, 6:43 PM CDT	Mesoscale Discussion	SPC	Benton, Boone, Carroll, Crawford, Franklin, Johnson and 9 more	92 min
Jun 9, 11:11 PM CDT	Mesoscale Discussion	SPC	Barton, Bates, Benton, Buchanan, Cass, Cedar and 17 more	3 hr
Jun 10, 4:16 PM CDT	Mesoscale Discussion	SPC	Barton, Bates, Benton, Camden, Cedar, Christian and 16 more	89 min
Jun 10, 4:33 PM CDT	Tornado Watch	SPC	Barry, Barton, Benton, Cedar, Christian, Dade and 11 more	7 hr

Nearby

Mesoscale Discussions in Arkansas, 2007 Mesoscale Discussions in Missouri, 2007 Every 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.