Alert archive / Kansas / Mesoscale Discussions in 2007

Mesoscale Discussion 879

May 24, 200722 counties in Kansas; 5 counties in Missouri; 12 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at May 24, 2007, 5:19 AM CDT for 22 counties in Kansas; 5 counties in Missouri; 12 counties in Oklahoma. It was in force for 56 min.

The area

The outline as issued.

The facts

Issued: May 24, 2007, 5:19 AM CDT (10:19 UTC)
Expired: May 24, 2007, 6:15 AM CDT
In force: 56 min
Issued by: the Storm Prediction Center

All 39 counties

Atchison County, KS, Brown County, KS, Butler County, KS, Chase County, KS, Coffey County, KS, Cowley County, KS, Doniphan County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Geary County, KS, Greenwood County, KS, Jackson County, KS, Jefferson County, KS, Leavenworth County, KS, Lyon County, KS, Morris County, KS, Osage County, KS, Shawnee County, KS, Wabaunsee County, KS, Woodson County, KS, Wyandotte County, KS, Andrew County, MO, Buchanan County, MO, Clinton County, MO, DeKalb County, MO, Platte County, MO, Blaine County, OK, Caddo County, OK, Canadian County, OK, Garfield County, OK, Greer County, OK, Harmon County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Logan County, OK, Noble County, OK, Washita County, OK

The radar

The Wichita radar (KICT), 44 km from the middle of the area, began a volume at 10:22 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

Lamont, OK (KLMN), launched 00:00Z, 10.3 hours before the alert went out and 127 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: 1762 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 1075 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 89 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 2.8

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
May 23, 7:10 PM CDT	Mesoscale Discussion	SPC	Atchison, Barton, Brown, Butler, Chase, Clay and 36 more	35 min
May 23, 7:48 PM CDT	Severe Thunderstorm Watch	SPC	Barton, Butler, Chase, Clay, Cloud, Dickinson and 22 more	7 hr
May 23, 10:12 PM CDT	Mesoscale Discussion	SPC	Clark, Comanche, Edwards, Finney, Ford, Grant and 12 more	63 min
May 23, 10:48 PM CDT	Tornado Watch	SPC	Barber, Clark, Comanche, Kiowa, Meade, Pratt and 1 more	4 hr
May 23, 11:29 PM CDT	Mesoscale Discussion	SPC	Barton, Butler, Chase, Clay, Cloud, Dickinson and 25 more	91 min
May 24, 1:51 AM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Butler, Chase, Clay, Coffey and 28 more	54 min
May 24, 2:06 AM CDT	Mesoscale Discussion	SPC	Barber, Comanche, Harper, Kingman, Kiowa, Pratt and 1 more	54 min
May 24, 2:41 AM CDT	Severe Thunderstorm Watch	SPC	Anderson, Brown, Butler, Chase, Coffey, Cowley and 25 more	3 hr
May 24, 10:04 AM CDT	Mesoscale Discussion	SPC	Carter, Coal, Garvin, Jefferson, Johnston, Love and 4 more	116 min

Nearby

Mesoscale Discussions in Kansas, 2007 Mesoscale Discussions in Oklahoma, 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.