Alert archive / Kansas / Mesoscale Discussions in 2019

Mesoscale Discussion 577

May 7, 201914 counties in Kansas; 4 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at May 7, 2019, 6:01 PM CDT for 14 counties in Kansas; 4 counties in Oklahoma. It was in force for 89 min.

The area

The outline as issued.

The facts

Issued: May 7, 2019, 6:01 PM CDT (23:01 UTC)
Expired: May 7, 2019, 7:30 PM CDT
In force: 89 min
Issued by: the Storm Prediction Center

Counties Barber County, KS, Butler County, KS, Chautauqua County, KS, Clark County, KS, Comanche County, KS, Cowley County, KS, Elk County, KS, Greenwood County, KS, Harper County, KS, Montgomery County, KS, Neosho County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS, Alfalfa County, OK, Grant County, OK, Harper County, OK, Woods County, OK

The radar

The Wichita radar (KICT), 44 km from the middle of the area, began a volume at 23:00 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.

Tornado Watch 149May 7, 9:15 PM CDT

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 11.0 hours before the alert went out and 209 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: 32 J/kg
Mixed-layer CIN: -327 J/kg
Mixed-layer LCL: 465 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 187 m²/s²
0-3 km storm-relative helicity: 416 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 7.1

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 6, 7:26 PM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Butler, Chase, Chautauqua and 27 more	94 min
May 6, 7:41 PM CDT	Mesoscale Discussion	SPC	Edwards, Pawnee, Stafford	34 min
May 6, 8:50 PM CDT	Mesoscale Discussion	SPC	Barber, Clark, Comanche, Edwards, Finney, Ford and 9 more	55 min
May 6, 9:12 PM CDT	Severe Thunderstorm Watch	SPC	Bourbon, Cherokee, Crawford	6 hr
May 6, 10:18 PM CDT	Mesoscale Discussion	SPC	Chautauqua, Cherokee, Crawford, Elk, Labette, Montgomery and 2 more	57 min
May 6, 10:58 PM CDT	Mesoscale Discussion	SPC	Barber, Butler, Chautauqua, Comanche, Cowley, Elk and 10 more	62 min
May 6, 11:56 PM CDT	Severe Thunderstorm Watch	SPC	Barton, Butler, Chautauqua, Cowley, Elk, Ellsworth and 12 more	4 hr
May 7, 11:04 AM CDT	Mesoscale Discussion	SPC	Clark, Meade, Seward, Stevens	116 min
May 7, 2:11 PM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Barber, Butler, Chase, Chautauqua and 17 more	2 hr
May 7, 3:31 PM CDT	Tornado Watch	SPC	Barber, Butler, Chautauqua, Clark, Comanche, Cowley and 17 more	6 hr
May 6, 11:50 PM CDT	Mesoscale Discussion	SPC	Craig, Delaware, Mayes	55 min
May 7, 1:28 PM CDT	Tornado Watch	SPC	Beaver, Texas	9 hr
May 7, 3:41 PM CDT	Mesoscale Discussion	SPC	Beaver	94 min
May 7, 4:47 PM CDT	Tornado Watch	SPC	Cimarron	5 hr
May 7, 5:24 PM CDT	Mesoscale Discussion	SPC	Beckham, Custer, Dewey, Ellis, Greer, Kiowa and 3 more	66 min
May 7, 5:36 PM CDT	Mesoscale Discussion	SPC	Beaver, Texas	54 min
May 7, 5:38 PM CDT	Tornado Watch	SPC	Beckham, Blaine, Caddo, Canadian, Custer, Dewey and 11 more	4 hr

Nearby

Mesoscale Discussions in Kansas, 2019 Mesoscale Discussions in Oklahoma, 2019 Every mesoscale discussion in 2019

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.