Alert archive / Missouri / Mesoscale Discussions in 2020

Mesoscale Discussion 808

June 4, 20208 counties in Kansas; 12 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Jun 4, 2020, 3:32 AM CDT for 8 counties in Kansas; 12 counties in Missouri. It was in force for 88 min.

The area

The outline as issued.

The facts

Issued: Jun 4, 2020, 3:32 AM CDT (08:32 UTC)
Expired: Jun 4, 2020, 5:00 AM CDT
In force: 88 min
Issued by: the Storm Prediction Center
Concerning: Severe thunderstorm watch 248

Counties Allen County, KS, Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Linn County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Barton County, MO, Bates County, MO, Benton County, MO, Cedar County, MO, Dade County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Jasper County, MO, Polk County, MO, St. Clair County, MO, Vernon County, MO

The radar

The Pleasant Hill radar (KEAX), 101 km from the middle of the area, began a volume at 08:32 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 00:00Z, 8.5 hours before the alert went out and 138 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: 1794 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 1420 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 8 m²/s²
0-3 km storm-relative helicity: 65 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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
Jun 3, 8:54 PM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Clay, Cloud, Doniphan, Jackson and 12 more	2 hr
Jun 3, 9:38 PM CDT	Severe Thunderstorm Watch	SPC	Anderson, Atchison, Brown, Clay, Cloud, Coffey and 22 more	6 hr
Jun 3, 10:44 PM CDT	Mesoscale Discussion	SPC	Anderson, Atchison, Brown, Clay, Cloud, Dickinson and 25 more	2 hr
Jun 4, 12:54 AM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Atchison, Bourbon, Brown, Butler and 32 more	96 min
Jun 4, 2:07 AM CDT	Severe Thunderstorm Watch	SPC	Allen, Bourbon, Cherokee, Crawford, Labette, Linn and 4 more	5 hr
Jun 4, 5:23 PM CDT	Mesoscale Discussion	SPC	Decatur, Rawlins, Sheridan, Thomas	2 hr
Jun 4, 5:44 AM CDT	Mesoscale Discussion	SPC	Barry, Christian, Stone, Taney	61 min
Jun 4, 2:42 PM CDT	Mesoscale Discussion	SPC	Mississippi, Scott	2 hr

Nearby

Mesoscale Discussions in Missouri, 2020 Mesoscale Discussions in Kansas, 2020 Every mesoscale discussion in 2020

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.