Alert archive / Kansas / Mesoscale Discussions in 2023

Mesoscale Discussion 1449

July 6, 2023Baca County, Bent County, Prowers County, Colorado; 6 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at Jul 6, 2023, 10:41 PM MDT for Baca County, Bent County, Prowers County, Colorado; 6 counties in Kansas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jul 6, 2023, 10:41 PM MDT (04:41 UTC)
Expired: Jul 7, 2023, 12:45 AM MDT
In force: 2 hr
Issued by: the Storm Prediction Center
Concerning: Tornado watch 455

Counties Baca County, CO, Bent County, CO, Prowers County, CO, Grant County, KS, Hamilton County, KS, Kearny County, KS, Morton County, KS, Stanton County, KS, Stevens County, KS

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 457Jul 6, 10:55 PM MDT

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 4.7 hours before the alert went out and 203 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: 612 J/kg
Mixed-layer CIN: -104 J/kg
Mixed-layer LCL: 1047 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: -17 m²/s²
0-3 km storm-relative helicity: 183 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.4

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
Jul 6, 7:18 PM MDT	Tornado Watch	SPC	Baca, Bent, Cheyenne, Crowley, El Paso, Kiowa and 3 more	7 hr
Jul 6, 8:58 PM MDT	Mesoscale Discussion	SPC	Baca, Bent, Prowers	2 hr
Jul 7, 1:08 PM MDT	Mesoscale Discussion	SPC	Las Animas	3 hr
Jul 7, 1:51 PM MDT	Severe Thunderstorm Watch	SPC	Baca, Crowley, Custer, El Paso, Fremont, Huerfano and 4 more	6 hr
Jul 6, 10:55 PM MDT	Severe Thunderstorm Watch	SPC	Clark, Finney, Ford, Gray, Haskell, Hodgeman and 6 more	6 hr
Jul 7, 1:41 AM MDT	Mesoscale Discussion	SPC	Clark, Grant, Haskell, Meade, Morton, Seward and 2 more	2 hr
Jul 7, 5:24 PM MDT	Mesoscale Discussion	SPC	Comanche	2 hr
Jul 7, 5:54 PM MDT	Severe Thunderstorm Watch	SPC	Barber, Clark, Comanche, Meade	6 hr

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.