Alert archive / Missouri / Mesoscale Discussions in 2011

Mesoscale Discussion 1289

June 19, 20116 states

The Storm Prediction Center issued this mesoscale discussion at Jun 19, 2011, 2:14 AM CDT for 6 states. It was in force for 61 min.

The area

The outline as issued.

The facts

Issued
Jun 19, 2011, 2:14 AM CDT (07:14 UTC)
Expired
Jun 19, 2011, 3:15 AM CDT
In force
61 min
Issued by
the Storm Prediction Center
All 126 counties

Clay County, AR, Fulton County, AR, Greene County, AR, Randolph County, AR, Alexander County, IL, Clinton County, IL, Edwards County, IL, Franklin County, IL, Gallatin County, IL, Hamilton County, IL, Hardin County, IL, Jackson County, IL, Jefferson County, IL, Johnson County, IL, Madison County, IL, Marion County, IL, Massac County, IL, Monroe County, IL, Perry County, IL, Pope County, IL, Pulaski County, IL, Randolph County, IL, Saint Clair County, IL, Saline County, IL, Union County, IL, Wabash County, IL, Washington County, IL, Wayne County, IL, White County, IL, Williamson County, IL, Dubois County, IN, Gibson County, IN, Perry County, IN, Pike County, IN, Posey County, IN, Spencer County, IN, Vanderburgh County, IN, Warrick County, IN, Ballard County, KY, Breckinridge County, KY, Butler County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Christian County, KY, Crittenden County, KY, Daviess County, KY, Fulton County, KY, Graves County, KY, Grayson County, KY, Hancock County, KY, Henderson County, KY, Hickman County, KY, Hopkins County, KY, Livingston County, KY, Logan County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Muhlenberg County, KY, Ohio County, KY, Todd County, KY, Trigg County, KY, Union County, KY, Webster County, KY, Bollinger County, MO, Butler County, MO, Camden County, MO, Cape Girardeau County, MO, Carter County, MO, Christian County, MO, City of Saint Louis, MO, Crawford County, MO, Dallas County, MO, Dent County, MO, Douglas County, MO, Dunklin County, MO, Franklin County, MO, Gasconade County, MO, Greene County, MO, Howell County, MO, Iron County, MO, Jefferson County, MO, Laclede County, MO, Madison County, MO, Maries County, MO, Miller County, MO, Mississippi County, MO, New Madrid County, MO, Oregon County, MO, Ozark County, MO, Pemiscot County, MO, Perry County, MO, Phelps County, MO, Pulaski County, MO, Reynolds County, MO, Ripley County, MO, Saint Francois County, MO, Saint Louis County, MO, Sainte Genevieve County, MO, Scott County, MO, Shannon County, MO, Stoddard County, MO, Taney County, MO, Texas County, MO, Washington County, MO, Wayne County, MO, Webster County, MO, Wright County, MO, Benton County, TN, Carroll County, TN, Cheatham County, TN, Crockett County, TN, Dickson County, TN, Dyer County, TN, Gibson County, TN, Henry County, TN, Houston County, TN, Humphreys County, TN, Lake County, TN, Montgomery County, TN, Obion County, TN, Robertson County, TN, Stewart County, TN, Weakley County, TN

The radar

The Paducah radar (KPAH), 108 km from the middle of the area, began a volume at 07:16 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

Little Rock, AR (KLZK), launched 00:00Z, 7.2 hours before the alert went out and 269 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, Little Rock, AR at 00:00Z on 2011-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3037 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, Little Rock, AR at 00:00Z on 2011-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 square meters per square second.193958Sfc1 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
3037 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
1577 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.8
Supercell composite
13.8

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 DiscussionSPCBaxter, Boone, Carroll, Clay, Craighead, Fulton and 7 more94 min
Jun 18, 8:26 PM CDTSevere Thunderstorm WatchSPCBond, Calhoun, Clinton, Fayette, Greene, Jackson and 11 more8 hr
Jun 19, 2:55 AM CDTTornado WatchSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more6 hr
Jun 19, 4:39 AM CDTMesoscale DiscussionSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 11 more66 min
Jun 19, 5:46 AM CDTMesoscale DiscussionSPCCrawford, Edwards, Hardin, Jasper, Lawrence, Richland and 1 more59 min
Jun 19, 4:30 PM CDTMesoscale DiscussionSPCMassac, Pulaski30 min
Jun 19, 5:01 PM CDTTornado WatchSPCMassac5 hr
Jun 19, 7:51 AM CDTMesoscale DiscussionSPCAdair, Allen, Barren, Casey, Clinton, Cumberland and 9 more114 min
Jun 19, 12:23 PM CDTMesoscale DiscussionSPCAdair, Bell, Casey, Clinton, Cumberland, Knox and 9 more67 min
Jun 19, 12:52 PM CDTTornado WatchSPCAllen, Bell, Clinton, Cumberland, Knox, Logan and 5 more8 hr
Jun 19, 3:12 PM CDTMesoscale DiscussionSPCClinton, Cumberland, Knox, McCreary, Monroe, Wayne and 1 more2 hr
Jun 19, 6:18 PM CDTMesoscale DiscussionSPCAllen, Clinton, Cumberland, Logan, McCreary, Monroe and 4 more57 min
Jun 18, 11:05 PM CDTMesoscale DiscussionSPCBarton, Bates, Benton, Boone, Callaway, Camden and 34 more85 min
Jun 19, 3:52 PM CDTMesoscale DiscussionSPCBuchanan, Clay, Holt, Platte113 min
Jun 19, 6:21 PM CDTMesoscale DiscussionSPCAndrew, Atchison, Buchanan, Caldwell, Carroll, Clay and 12 more84 min
Jun 19, 6:51 PM CDTTornado WatchSPCAdair, Andrew, Atchison, Buchanan, Caldwell, Carroll and 23 more7 hr

Nearby

Mesoscale Discussions in Missouri, 2011Mesoscale Discussions in Kentucky, 2011Mesoscale Discussions in Illinois, 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.