Alert archive / Missouri / Mesoscale Discussions in 2019

Mesoscale Discussion 936

June 1, 201919 counties in Illinois; Johnson County, Linn County, Miami County, Kansas; 41 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Jun 1, 2019, 6:07 PM CDT for 19 counties in Illinois; Johnson County, Linn County, Miami County, Kansas; 41 counties in Missouri. It was in force for 83 min.

The area

The outline as issued.

The facts

Issued
Jun 1, 2019, 6:07 PM CDT (23:07 UTC)
Expired
Jun 1, 2019, 7:30 PM CDT
In force
83 min
Issued by
the Storm Prediction Center
All 63 counties

Adams County, IL, Bond County, IL, Brown County, IL, Calhoun County, IL, Cass County, IL, Christian County, IL, Greene County, IL, Jersey County, IL, Macoupin County, IL, Madison County, IL, Mason County, IL, Menard County, IL, Montgomery County, IL, Morgan County, IL, Pike County, IL, Saint Clair County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Johnson County, KS, Linn County, KS, Miami County, KS, Audrain County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Cass County, MO, Chariton County, MO, City of Saint Louis, MO, Cole County, MO, Cooper County, MO, Crawford County, MO, Franklin County, MO, Gasconade County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jackson County, MO, Jefferson County, MO, Johnson County, MO, Lafayette County, MO, Lincoln County, MO, Maries County, MO, Marion County, MO, Miller County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Morgan County, MO, Osage County, MO, Pettis County, MO, Pike County, MO, Ralls County, MO, Randolph County, MO, Saint Charles County, MO, Saint Louis County, MO, Saline County, MO, Shelby County, MO, St. Clair County, MO, Vernon County, MO, Warren County, MO

The radar

The St Louis radar (KLSX), 112 km from the middle of the area, began a volume at 23:09 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, 11.1 hours before the alert went out and 268 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-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 2019-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 199 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2019-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
199 J/kg
Mixed-layer CIN
-81 J/kg
Mixed-layer LCL
1457 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
127 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.

IssuedProductOfficeCountiesLasted
Jun 1, 2:05 PM CDTMesoscale DiscussionSPCBoone, Lake, McHenry, Stephenson, Winnebago115 min
Jun 1, 2:23 PM CDTSevere Thunderstorm WatchSPCBoone, Cook, DeKalb, DuPage, Kane, Kendall and 6 more6 hr
Jun 1, 3:02 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Fulton, Hancock, Henderson and 15 more118 min
Jun 1, 3:33 PM CDTSevere Thunderstorm WatchSPCAdams, Bond, Brown, Calhoun, Cass, Christian and 15 more7 hr
Jun 1, 5:21 PM CDTMesoscale DiscussionSPCBoone, Bureau, Cook, DeKalb, DuPage, Grundy and 14 more54 min
Jun 1, 1:53 PM CDTSevere Thunderstorm WatchSPCMorton, Stevens9 hr
Jun 1, 5:00 PM CDTMesoscale DiscussionSPCAllen, Bourbon, Cherokee, Crawford, Elk, Labette and 4 more60 min
Jun 1, 5:20 PM CDTSevere Thunderstorm WatchSPCAllen, Bourbon, Cherokee, Crawford, Labette, Montgomery and 3 more5 hr
Jun 1, 2:27 PM CDTMesoscale DiscussionSPCButler, Carter, Douglas, Howell, Oregon, Ozark and 7 more93 min

Nearby

Mesoscale Discussions in Missouri, 2019Mesoscale Discussions in Illinois, 2019Mesoscale Discussions in Kansas, 2019Every 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.