Alert archive / Missouri / Mesoscale Discussions in 2011

Mesoscale Discussion 1223

June 14, 201114 counties in Iowa; 49 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Jun 14, 2011, 7:47 PM CDT for 14 counties in Iowa; 49 counties in Missouri. It was in force for 58 min.

The area

The outline as issued.

The facts

Issued
Jun 14, 2011, 7:47 PM CDT (00:47 UTC)
Expired
Jun 14, 2011, 8:45 PM CDT
In force
58 min
Issued by
the Storm Prediction Center
All 63 counties

Adams County, IA, Appanoose County, IA, Clarke County, IA, Davis County, IA, Decatur County, IA, Lucas County, IA, Monroe County, IA, Montgomery County, IA, Page County, IA, Ringgold County, IA, Taylor County, IA, Union County, IA, Wapello County, IA, Wayne County, IA, Adair County, MO, Andrew County, MO, Audrain County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Buchanan County, MO, Caldwell County, MO, Callaway County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Cole County, MO, Cooper County, MO, Daviess County, MO, DeKalb County, MO, Gasconade County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Henry County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Knox County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Maries County, MO, Mercer County, MO, Miller County, MO, Moniteau County, MO, Monroe County, MO, Morgan County, MO, Nodaway County, MO, Osage County, MO, Pettis County, MO, Platte County, MO, Putnam County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, Shelby County, MO, Sullivan County, MO, Worth County, MO

The radar

The Pleasant Hill radar (KEAX), 81 km from the middle of the area, began a volume at 00:47 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

Topeka, KS (KTOP), launched 00:00Z, 0.8 hours before the alert went out and 183 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, Topeka, KS at 00:00Z on 2011-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2058 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, Topeka, KS at 00:00Z on 2011-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 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
2058 J/kg
Mixed-layer CIN
-182 J/kg
Mixed-layer LCL
1467 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
2 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.3

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 15, 1:55 AM CDTMesoscale DiscussionSPCAppanoose, Davis, Des Moines, Henry, Jefferson, Lee and 3 more3 hr
Jun 14, 8:54 PM CDTMesoscale DiscussionSPCNewton66 min
Jun 14, 9:11 PM CDTMesoscale DiscussionSPCBarry, Barton, Camden, Cedar, Christian, Dade and 23 more64 min
Jun 15, 12:29 AM CDTMesoscale DiscussionSPCBenton, Bollinger, Butler, Camden, Carter, Cedar and 42 more2 hr
Jun 15, 1:09 AM CDTSevere Thunderstorm WatchSPCBarry, Bollinger, Butler, Camden, Carter, Christian and 35 more4 hr
Jun 15, 4:24 AM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Crawford, Franklin, Gasconade and 20 more96 min
Jun 15, 10:54 AM CDTMesoscale DiscussionSPCPemiscot2 hr
Jun 15, 2:13 PM CDTMesoscale DiscussionSPCCape Girardeau, Mississippi, Perry, Scott2 hr

Nearby

Mesoscale Discussions in Missouri, 2011Mesoscale Discussions in Iowa, 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.