Alert archive / Kansas / Mesoscale Discussions in 2005

Mesoscale Discussion 537

April 10, 200525 counties in Kansas; 10 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Apr 10, 2005, 1:07 PM CDT for 25 counties in Kansas; 10 counties in Nebraska. It was in force for 113 min.

The area

The outline as issued.

The facts

Issued
Apr 10, 2005, 1:07 PM CDT (18:07 UTC)
Expired
Apr 10, 2005, 3:00 PM CDT
In force
113 min
Issued by
the Storm Prediction Center
All 35 counties

Butler County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Ellsworth County, KS, Geary County, KS, Harvey County, KS, Jewell County, KS, Lincoln County, KS, Marion County, KS, Marshall County, KS, McPherson County, KS, Mitchell County, KS, Morris County, KS, Osborne County, KS, Ottawa County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Rooks County, KS, Russell County, KS, Saline County, KS, Sedgwick County, KS, Smith County, KS, Washington County, KS, Clay County, NE, Fillmore County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Nuckolls County, NE, Pawnee County, NE, Saline County, NE, Thayer County, NE, Webster County, NE

The radar

The Wichita radar (KICT), 109 km from the middle of the area, began a volume at 18:10 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

Topeka, KS (KTOP), launched 12:00Z, 6.1 hours before the alert went out and 168 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 12:00Z on 2005-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 103 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 12:00Z on 2005-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 315 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
103 J/kg
Mixed-layer CIN
-305 J/kg
Mixed-layer LCL
948 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
315 m²/s²
0-3 km storm-relative helicity
266 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

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
Apr 10, 1:39 AM CDTMesoscale DiscussionSPCBarber, Clark, Comanche66 min
Apr 10, 12:27 PM CDTMesoscale DiscussionSPCBarber, Barton, Comanche, Edwards, Ellis, Finney and 15 more93 min
Apr 10, 1:10 PM CDTTornado WatchSPCBarber, Barton, Comanche, Cowley, Edwards, Ellis and 23 more7 hr
Apr 10, 1:40 PM CDTSevere Thunderstorm WatchSPCBrown, Clay, Cloud, Dickinson, Ellsworth, Geary and 23 more6 hr
Apr 10, 3:31 PM CDTMesoscale DiscussionSPCBrown, Clay, Cloud, Dickinson, Ellsworth, Geary and 22 more89 min
Apr 10, 3:38 PM CDTMesoscale DiscussionSPCBarber, Barton, Comanche, Cowley, Edwards, Ellis and 22 more97 min
Apr 10, 6:35 PM CDTTornado WatchSPCBarber, Barton, Butler, Clay, Cloud, Cowley and 25 more5 hr
Apr 9, 7:19 PM CDTMesoscale DiscussionSPCAdams, Antelope, Arthur, Blaine, Boone, Buffalo and 33 more2 hr
Apr 9, 8:25 PM CDTSevere Thunderstorm WatchSPCAntelope, Blaine, Boone, Brown, Buffalo, Custer and 24 more7 hr
Apr 9, 11:08 PM CDTMesoscale DiscussionSPCAntelope, Blaine, Boyd, Brown, Buffalo, Custer and 21 more2 hr
Apr 10, 2:33 AM CDTMesoscale DiscussionSPCAntelope, Blaine, Boone, Boyd, Brown, Buffalo and 26 more57 min
Apr 10, 2:57 PM CDTMesoscale DiscussionSPCBurt, Cass, Cuming, Dakota, Dodge, Douglas and 4 more2 hr
Apr 10, 3:55 PM CDTSevere Thunderstorm WatchSPCBurt, Butler, Cass, Colfax, Cuming, Dakota and 14 more7 hr

Nearby

Mesoscale Discussions in Kansas, 2005Mesoscale Discussions in Nebraska, 2005Every mesoscale discussion in 2005

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.