Alert archive / Kansas / Mesoscale Discussions in 2006

Mesoscale Discussion 959

May 24, 2006Decatur County, Iowa; 24 counties in Kansas; 21 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at May 24, 2006, 1:56 AM CDT for Decatur County, Iowa; 24 counties in Kansas; 21 counties in Missouri. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued
May 24, 2006, 1:56 AM CDT (06:56 UTC)
Expired
May 24, 2006, 3:30 AM CDT
In force
94 min
Issued by
the Storm Prediction Center
All 46 counties

Decatur County, IA, Allen County, KS, Anderson County, KS, Atchison County, KS, Butler County, KS, Chase County, KS, Coffey County, KS, Doniphan County, KS, Douglas County, KS, Franklin County, KS, Greenwood County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Marion County, KS, Miami County, KS, Morris County, KS, Osage County, KS, Shawnee County, KS, Wabaunsee County, KS, Woodson County, KS, Wyandotte County, KS, Andrew County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Cass County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Jackson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Mercer County, MO, Platte County, MO, Ray County, MO, Sullivan County, MO, Worth County, MO

The radar

The Topeka radar (KTWX), 77 km from the middle of the area, began a volume at 07:00 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

Omaha, NE (KOAX), launched 00:00Z, 6.9 hours before the alert went out and 278 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, Omaha, NE at 00:00Z on 2006-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 827 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, Omaha, NE at 00:00Z on 2006-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
827 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1972 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
124 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

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 23, 7:57 PM CDTSevere Thunderstorm WatchSPCFremont, Harrison, Mills, Monona, Montgomery, Page and 2 more6 hr
May 23, 10:06 PM CDTMesoscale DiscussionSPCAudubon, Buena Vista, Calhoun, Carroll, Cass, Cherokee and 24 more114 min
May 24, 11:27 AM CDTMesoscale DiscussionSPCAppanoose, Davis, Des Moines, Henry, Iowa, Jefferson and 11 more2 hr
May 24, 1:37 PM CDTMesoscale DiscussionSPCAllamakee, Cedar, Clayton, Clinton, Delaware, Dubuque and 8 more83 min
May 24, 2:20 PM CDTSevere Thunderstorm WatchSPCAllamakee, Clayton, Fayette, Winneshiek6 hr
May 24, 2:46 PM CDTTornado WatchSPCBenton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more7 hr
May 23, 7:11 PM CDTMesoscale DiscussionSPCBarton, Clay, Cloud, Dickinson, Ellis, Ellsworth and 19 more2 hr
May 24, 12:25 PM CDTTornado WatchSPCAudrain, Boone, Callaway, Cole, Gasconade, Knox and 11 more7 hr
May 24, 1:29 PM CDTMesoscale DiscussionSPCBarry, Barton, Benton, Camden, Carter, Cedar and 39 more2 hr
May 24, 2:23 PM CDTMesoscale DiscussionSPCAudrain, Boone, Callaway, Cole, Cooper, Franklin and 15 more97 min
May 24, 5:45 PM CDTMesoscale DiscussionSPCBarry, Barton, Bollinger, Butler, Camden, Cape Girardeau and 36 more2 hr
May 24, 6:18 PM CDTSevere Thunderstorm WatchSPCBarry, Barton, Benton, Bollinger, Butler, Camden and 46 more7 hr

Nearby

Mesoscale Discussions in Kansas, 2006Mesoscale Discussions in Missouri, 2006Mesoscale Discussions in Iowa, 2006Every mesoscale discussion in 2006

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.