Alert archive / Missouri / Mesoscale Discussions in 2011

Mesoscale Discussion 1288

June 18, 201116 counties in Kansas; 40 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Jun 18, 2011, 11:05 PM CDT for 16 counties in Kansas; 40 counties in Missouri. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued
Jun 18, 2011, 11:05 PM CDT (04:05 UTC)
Expired
Jun 19, 2011, 12:30 AM CDT
In force
85 min
Issued by
the Storm Prediction Center
All 56 counties

Allen County, KS, Anderson County, KS, Bourbon County, KS, Cherokee County, KS, Coffey County, KS, Crawford County, KS, Elk County, KS, Franklin County, KS, Greenwood County, KS, Labette County, KS, Linn County, KS, Miami County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Barton County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Cass County, MO, Cedar County, MO, Cole County, MO, Cooper County, MO, Crawford County, MO, Dade County, MO, Dallas County, MO, Dent County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Jasper County, MO, Johnson County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, Miller County, MO, Moniteau County, MO, Montgomery County, MO, Morgan County, MO, Osage County, MO, Pettis County, MO, Phelps County, MO, Polk County, MO, Pulaski County, MO, St. Clair County, MO, Texas County, MO, Vernon County, MO, Warren County, MO, Washington County, MO, Webster County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 93 km from the middle of the area, began a volume at 04:08 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, 4.1 hours before the alert went out and 125 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 00:00Z on 2011-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4246 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2011-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 121 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
4246 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1103 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
121 m²/s²
0-3 km storm-relative helicity
183 m²/s²
Significant tornado parameter
3.1
Supercell composite
15.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 18, 7:41 PM CDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Chautauqua, Cherokee, Cowley and 10 more94 min
Jun 18, 8:54 PM CDTMesoscale DiscussionSPCBarber, Barton, Clark, Clay, Cloud, Comanche and 31 more66 min
Jun 18, 9:25 PM CDTSevere Thunderstorm WatchSPCBarton, Chase, Clay, Cloud, Dickinson, Ellsworth and 21 more4 hr
Jun 19, 3:52 PM CDTMesoscale DiscussionSPCAtchison, Brown, Clay, Cloud, Decatur, Doniphan and 16 more113 min
Jun 19, 6:21 PM CDTMesoscale DiscussionSPCAtchison, Brown, Clay, Cloud, Dickinson, Doniphan and 22 more84 min
Jun 19, 6:51 PM CDTTornado WatchSPCAtchison, Brown, Clay, Cloud, Dickinson, Doniphan and 17 more7 hr
Jun 18, 8:26 PM CDTSevere Thunderstorm WatchSPCAudrain, Bollinger, Boone, Butler, Callaway, Camden and 41 more8 hr
Jun 19, 2:14 AM CDTMesoscale DiscussionSPCBollinger, Butler, Camden, Cape Girardeau, Carter, Christian and 38 more61 min
Jun 19, 2:55 AM CDTTornado WatchSPCBollinger, Butler, Cape Girardeau, Carter, Mississippi, New Madrid and 5 more6 hr
Jun 19, 4:39 AM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Mississippi, New Madrid, Scott and 2 more66 min
Jun 19, 4:30 PM CDTMesoscale DiscussionSPCMississippi30 min
Jun 19, 5:01 PM CDTTornado WatchSPCMississippi5 hr

Nearby

Mesoscale Discussions in Missouri, 2011Mesoscale Discussions in Kansas, 2011Every mesoscale discussion in 2011

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.