Alert archive / Kansas / Mesoscale Discussions in 2023

Mesoscale Discussion 744

May 9, 2023Cheyenne County, Kit Carson County, Colorado; 14 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at May 9, 2023, 2:27 PM MDT for Cheyenne County, Kit Carson County, Colorado; 14 counties in Kansas. It was in force for 93 min.

The area

The outline as issued.

The facts

Issued: May 9, 2023, 2:27 PM MDT (20:27 UTC)
Expired: May 9, 2023, 4:00 PM MDT
In force: 93 min
Issued by: the Storm Prediction Center
Concerning: Severe potential...watch possible
Chance of a watch: 40%

Counties Cheyenne County, CO, Kit Carson County, CO, Finney County, KS, Gove County, KS, Greeley County, KS, Hodgeman County, KS, Lane County, KS, Logan County, KS, Ness County, KS, Rush County, KS, Scott County, KS, Sherman County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Wichita County, KS

The radar

The Goodland radar (KGLD), 56 km from the middle of the area, began a volume at 20:33 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

Dodge City, (KDDC), launched 12:00Z, 8.5 hours before the alert went out and 185 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: 2346 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 860 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.2

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, 5:24 AM MDT	Mesoscale Discussion	SPC	Cloud, Decatur, Jewell, Mitchell, Norton, Osborne and 5 more	66 min
May 9, 5:33 AM MDT	Severe Thunderstorm Watch	SPC	Decatur, Ellis, Gove, Graham, Jewell, Lane and 16 more	6 hr
May 9, 9:02 AM MDT	Mesoscale Discussion	SPC	Chase, Clay, Cloud, Dickinson, Ellis, Ellsworth and 23 more	88 min
May 9, 9:33 AM MDT	Severe Thunderstorm Watch	SPC	Allen, Anderson, Barton, Butler, Chase, Clay and 30 more	7 hr
May 9, 12:28 PM MDT	Mesoscale Discussion	SPC	Barton, Clay, Cloud, Dickinson, Ellis, Ellsworth and 14 more	92 min
May 9, 1:44 PM MDT	Mesoscale Discussion	SPC	Bourbon, Cherokee, Crawford	91 min
May 9, 2:53 PM MDT	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Butler, Chase, Coffey and 12 more	97 min
May 9, 3:02 PM MDT	Severe Thunderstorm Watch	SPC	Bourbon, Cherokee, Crawford, Elk, Johnson, Labette and 6 more	6 hr
May 9, 4:56 PM MDT	Mesoscale Discussion	SPC	Bourbon, Chautauqua, Cherokee, Crawford, Labette, Montgomery and 1 more	94 min

Nearby

Mesoscale Discussions in Kansas, 2023 Mesoscale Discussions in Colorado, 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.