Alert archive / Missouri / Mesoscale Discussions in 2011

Mesoscale Discussion 885

May 23, 20114 states

The Storm Prediction Center issued this mesoscale discussion at May 23, 2011, 7:38 AM CDT for 4 states. It was in force for 97 min.

The area

The outline as issued.

The facts

Issued
May 23, 2011, 7:38 AM CDT (12:38 UTC)
Expired
May 23, 2011, 9:15 AM CDT
In force
97 min
Issued by
the Storm Prediction Center
All 42 counties

Benton County, AR, Carroll County, AR, Allen County, KS, Bourbon County, KS, Chautauqua County, KS, Cherokee County, KS, Crawford County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Barry County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Camden County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Moniteau County, MO, Morgan County, MO, Newton County, MO, Polk County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Vernon County, MO, Craig County, OK, Delaware County, OK, Mayes County, OK, Nowata County, OK, Ottawa County, OK, Rogers County, OK, Tulsa County, OK, Washington County, OK

The radar

The Springfield radar (KSGF), 136 km from the middle of the area, began a volume at 12:41 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, 0.6 hours before the alert went out and 110 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 2011-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1041 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 2011-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 247 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
1041 J/kg
Mixed-layer CIN
-257 J/kg
Mixed-layer LCL
1640 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
247 m²/s²
0-3 km storm-relative helicity
224 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

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
May 22, 7:52 PM CDTMesoscale DiscussionSPCBaxter, Benton, Boone, Carroll, Conway, Crawford and 13 more53 min
May 22, 8:47 PM CDTTornado WatchSPCBaxter, Benton, Boone, Carroll, Clay, Cleburne and 34 more7 hr
May 22, 11:46 PM CDTMesoscale DiscussionSPCClay, Cleburne, Conway, Craighead, Crawford, Cross and 23 more89 min
May 23, 5:07 AM CDTMesoscale DiscussionSPCBaxter, Benton, Boone, Carroll, Crawford, Fulton and 10 more113 min
May 23, 9:14 AM CDTMesoscale DiscussionSPCClark, Cleburne, Conway, Crawford, Dallas, Faulkner and 26 more91 min
May 23, 9:57 AM CDTMesoscale DiscussionSPCLafayette, Little River, Miller33 min
May 23, 10:34 AM CDTMesoscale DiscussionSPCBenton, Carroll, Fulton86 min
May 23, 12:10 PM CDTMesoscale DiscussionSPCLafayette, Miller65 min
May 23, 12:12 PM CDTMesoscale DiscussionSPCBaxter, Benton, Boone, Carroll, Clay, Craighead and 13 more93 min
May 23, 1:16 PM CDTMesoscale DiscussionSPCBaxter, Clay, Craighead, Fulton, Greene, Independence and 5 more89 min
May 23, 1:34 PM CDTSevere Thunderstorm WatchSPCClay, Cleburne, Conway, Craighead, Crittenden, Cross and 20 more6 hr
May 23, 3:58 PM CDTMesoscale DiscussionSPCClay, Cleburne, Conway, Craighead, Crittenden, Cross and 20 more92 min
May 23, 5:07 PM CDTMesoscale DiscussionSPCBenton, Crawford, Washington23 min
May 23, 5:24 PM CDTTornado WatchSPCCrawford, Franklin, Sebastian, Washington4 hr
May 23, 6:18 PM CDTMesoscale DiscussionSPCCleburne, Craighead, Crittenden, Cross, Faulkner, Independence and 11 more87 min
May 23, 5:41 AM CDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Chautauqua, Cherokee, Crawford and 7 more94 min
May 23, 6:08 AM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 11 more7 hr
May 23, 4:38 PM CDTMesoscale DiscussionSPCButler, Chase, Cowley, Elk, Greenwood, Harper and 6 more97 min
May 22, 8:26 PM CDTTornado WatchSPCBarry, Bollinger, Butler, Cape Girardeau, Carter, Crawford and 33 more8 hr
May 22, 10:24 PM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Madison, Perry, Sainte Genevieve and 2 more66 min
May 23, 10:55 AM CDTSevere Thunderstorm WatchSPCAudrain, Bollinger, Boone, Butler, Callaway, Cape Girardeau and 28 more7 hr
May 23, 12:37 PM CDTMesoscale DiscussionSPCCity of Saint Louis83 min
May 22, 8:10 PM CDTMesoscale DiscussionSPCAtoka, Bryan, Carter, Choctaw, Coal, Garvin and 11 more65 min
May 23, 2:08 PM CDTMesoscale DiscussionSPCAlfalfa, Beckham, Blaine, Caddo, Canadian, Comanche and 15 more97 min
May 23, 2:30 PM CDTTornado WatchSPCAlfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 26 more8 hr
May 23, 6:51 PM CDTMesoscale DiscussionSPCBlaine, Caddo, Canadian, Cleveland, Comanche, Cotton and 12 more84 min

Nearby

Mesoscale Discussions in Missouri, 2011Mesoscale Discussions in Kansas, 2011Mesoscale Discussions in Oklahoma, 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.