Alert archive / Kansas / Mesoscale Discussions in 2006

Mesoscale Discussion 435

April 6, 200619 counties in Kansas; 10 counties in Missouri; 7 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Apr 6, 2006, 6:01 AM CDT for 19 counties in Kansas; 10 counties in Missouri; 7 counties in Nebraska. It was in force for 119 min.

The area

The outline as issued.

The facts

Issued
Apr 6, 2006, 6:01 AM CDT (11:01 UTC)
Expired
Apr 6, 2006, 8:00 AM CDT
In force
119 min
Issued by
the Storm Prediction Center
All 36 counties

Atchison County, KS, Brown County, KS, Doniphan County, KS, Douglas County, KS, Franklin County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Marshall County, KS, Miami County, KS, Nemaha County, KS, Osage County, KS, Pottawatomie County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Washington County, KS, Wyandotte County, KS, Andrew County, MO, Atchison County, MO, Buchanan County, MO, Cass County, MO, Clay County, MO, Clinton County, MO, Holt County, MO, Jackson County, MO, Nodaway County, MO, Platte County, MO, Gage County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE

The radar

The Topeka radar (KTWX), 74 km from the middle of the area, began a volume at 11:05 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, 11.0 hours before the alert went out and 228 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 2006-04-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 298 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 2006-04-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 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
298 J/kg
Mixed-layer CIN
-199 J/kg
Mixed-layer LCL
1562 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
181 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
Apr 6, 12:12 PM CDTMesoscale DiscussionSPCBarton, Clay, Cloud, Dickinson, Ellis, Ellsworth and 24 more2 hr
Apr 6, 12:43 PM CDTTornado WatchSPCAllen, Anderson, Barton, Brown, Butler, Chase and 47 more8 hr
Apr 6, 4:53 PM CDTMesoscale DiscussionSPCAtchison, Bourbon, Cherokee, Crawford, Doniphan, Douglas and 6 more97 min
Apr 6, 5:54 PM CDTTornado WatchSPCBourbon, Cherokee, Crawford, Linn, Miami7 hr
Apr 5, 10:36 PM CDTMesoscale DiscussionSPCAdair, Audrain, Boone, Caldwell, Callaway, Carroll and 30 more84 min
Apr 5, 11:09 PM CDTSevere Thunderstorm WatchSPCAdair, Audrain, Boone, Callaway, Chariton, Clark and 30 more4 hr
Apr 6, 11:03 AM CDTMesoscale DiscussionSPCBarry, Jasper, Lawrence, McDonald, Newton, Stone and 1 more117 min
Apr 6, 11:19 AM CDTMesoscale DiscussionSPCBollinger, Cape Girardeau, Clark, Franklin, Iron, Jefferson and 18 more56 min
Apr 6, 12:12 PM CDTSevere Thunderstorm WatchSPCBarry, Christian, Dent, Douglas, Greene, Howell and 9 more4 hr
Apr 6, 3:29 PM CDTMesoscale DiscussionSPCDouglas, Howell, Ozark, Texas, Wright91 min
Apr 6, 4:21 PM CDTMesoscale DiscussionSPCBarry, McDonald, Taney84 min
Apr 6, 1:20 AM CDTMesoscale DiscussionSPCAntelope, Boyd, Holt, Keya Paha, Knox, Rock85 min
Apr 6, 3:24 PM CDTMesoscale DiscussionSPCAntelope, Burt, Cedar, Cuming, Dakota, Dixon and 7 more2 hr
Apr 6, 5:18 PM CDTTornado WatchSPCAntelope, Boyd, Brown, Burt, Cedar, Cherry and 14 more5 hr

Nearby

Mesoscale Discussions in Kansas, 2006Mesoscale Discussions in Missouri, 2006Mesoscale Discussions in Nebraska, 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.