Alert archive / Kansas / Mesoscale Discussions in 2023

Mesoscale Discussion 749

May 9, 20237 counties in Kansas; 5 counties in Missouri; 4 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at May 9, 2023, 5:56 PM CDT for 7 counties in Kansas; 5 counties in Missouri; 4 counties in Oklahoma. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued: May 9, 2023, 5:56 PM CDT (22:56 UTC)
Expired: May 9, 2023, 7:30 PM CDT
In force: 94 min
Issued by: the Storm Prediction Center
Concerning: Severe thunderstorm watch 206

Counties Bourbon County, KS, Chautauqua County, KS, Cherokee County, KS, Crawford County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Barton County, MO, Bates County, MO, Jasper County, MO, Newton County, MO, Vernon County, MO, Craig County, OK, Nowata County, OK, Ottawa County, OK, Washington County, OK

The radar

The Springfield radar (KSGF), 138 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 nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.9 hours before the alert went out and 124 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: 1599 J/kg
Mixed-layer CIN: -70 J/kg
Mixed-layer LCL: 990 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 7 m²/s²
0-3 km storm-relative helicity: 4 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 9, 6:24 AM CDT	Mesoscale Discussion	SPC	Cloud, Decatur, Jewell, Mitchell, Norton, Osborne and 5 more	66 min
May 9, 6:33 AM CDT	Severe Thunderstorm Watch	SPC	Decatur, Ellis, Gove, Graham, Jewell, Lane and 16 more	6 hr
May 9, 10:02 AM CDT	Mesoscale Discussion	SPC	Chase, Clay, Cloud, Dickinson, Ellis, Ellsworth and 23 more	88 min
May 9, 10:33 AM CDT	Severe Thunderstorm Watch	SPC	Allen, Anderson, Barton, Butler, Chase, Clay and 30 more	7 hr
May 9, 1:28 PM CDT	Mesoscale Discussion	SPC	Barton, Clay, Cloud, Dickinson, Ellis, Ellsworth and 14 more	92 min
May 9, 2:44 PM CDT	Mesoscale Discussion	SPC	Bourbon, Cherokee, Crawford	91 min
May 9, 3:27 PM CDT	Mesoscale Discussion	SPC	Finney, Gove, Greeley, Hodgeman, Lane, Logan and 8 more	93 min
May 9, 3:53 PM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Butler, Chase, Coffey and 12 more	97 min
May 9, 4:02 PM CDT	Severe Thunderstorm Watch	SPC	Bourbon, Cherokee, Crawford, Elk, Johnson, Labette and 6 more	6 hr
May 8, 9:05 PM CDT	Mesoscale Discussion	SPC	Barry, Barton, Bollinger, Butler, Camden, Cape Girardeau and 44 more	115 min

Nearby

Mesoscale Discussions in Kansas, 2023 Mesoscale Discussions in Missouri, 2023 Mesoscale Discussions in Oklahoma, 2023 Every mesoscale discussion in 2023

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.