Alert archive / Missouri / Mesoscale Discussions in 2018

Mesoscale Discussion 887

June 26, 201811 counties in Kansas; 16 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Jun 26, 2018, 12:16 PM CDT for 11 counties in Kansas; 16 counties in Missouri. It was in force for 59 min.

The area

The outline as issued.

The facts

Issued
Jun 26, 2018, 12:16 PM CDT (17:16 UTC)
Expired
Jun 26, 2018, 1:15 PM CDT
In force
59 min
Issued by
the Storm Prediction Center
Chance of a watch
80%
All 27 counties

Allen County, KS, Anderson County, KS, Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Franklin County, KS, Johnson County, KS, Labette County, KS, Linn County, KS, Miami County, KS, Neosho County, KS, Barton County, MO, Bates County, MO, Benton County, MO, Cass County, MO, Cedar County, MO, Dade County, MO, Dallas County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Jasper County, MO, Johnson County, MO, Lawrence County, MO, Polk County, MO, St. Clair County, MO, Vernon County, MO

The radar

The Pleasant Hill radar (KEAX), 83 km from the middle of the area, began a volume at 17:19 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 watches that followed

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

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 5.3 hours before the alert went out and 135 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 2018-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 710 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 2018-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 326 square meters per square second.193958Sfc1 km3 km6 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
710 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
702 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
326 m²/s²
0-3 km storm-relative helicity
289 m²/s²
Significant tornado parameter
1.1
Supercell composite
6.7

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 26, 8:01 AM CDTMesoscale DiscussionSPCBarton, Butler, Chase, Dickinson, Edwards, Ellis and 18 more119 min
Jun 26, 8:58 AM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Barton, Butler, Chase, Chautauqua and 26 more8 hr
Jun 26, 12:35 PM CDTSevere Thunderstorm WatchSPCBourbon, Crawford, Johnson, Leavenworth, Linn, Miami and 1 more7 hr
Jun 26, 12:56 PM CDTMesoscale DiscussionSPCChautauqua, Cherokee, Labette, Montgomery64 min
Jun 26, 1:26 PM CDTSevere Thunderstorm WatchSPCCherokee6 hr
Jun 26, 2:46 PM CDTMesoscale DiscussionSPCBourbon, Cherokee, Crawford, Labette, Linn, Montgomery and 1 more89 min
Jun 25, 8:08 PM CDTMesoscale DiscussionSPCBollinger, Cape Girardeau, Franklin, Jefferson, Mississippi, Perry and 7 more2 hr
Jun 26, 2:19 AM CDTMesoscale DiscussionSPCBarry, Benton, Callaway, Camden, Cedar, Christian and 32 more116 min
Jun 26, 7:39 AM CDTMesoscale DiscussionSPCBenton, Bollinger, Boone, Callaway, Camden, Cape Girardeau and 43 more2 hr
Jun 26, 1:53 PM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Carter, Crawford, Dent and 13 more67 min
Jun 26, 2:22 PM CDTSevere Thunderstorm WatchSPCBollinger, Boone, Callaway, Cape Girardeau, Cole, Crawford and 19 more6 hr
Jun 26, 5:26 PM CDTSevere Thunderstorm WatchSPCButler, Carter, Dunklin, Mississippi, New Madrid, Pemiscot and 3 more6 hr
Jun 26, 6:49 PM CDTMesoscale DiscussionSPCHowell, Oregon, Ozark, Ripley116 min

Nearby

Mesoscale Discussions in Missouri, 2018Mesoscale Discussions in Kansas, 2018Every mesoscale discussion in 2018

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.