Alert archive / Missouri / Mesoscale Discussions in 2004

Mesoscale Discussion 933

May 27, 200411 counties in Kansas; 12 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at May 27, 2004, 1:16 AM CDT for 11 counties in Kansas; 12 counties in Missouri. It was in force for 119 min.

The area

The outline as issued.

The facts

Issued
May 27, 2004, 1:16 AM CDT (06:16 UTC)
Expired
May 27, 2004, 3:15 AM CDT
In force
119 min
Issued by
the Storm Prediction Center
All 23 counties

Douglas County, KS, Franklin County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Lyon County, KS, Miami County, KS, Osage County, KS, Shawnee County, KS, Wabaunsee County, KS, Wyandotte County, KS, Carroll County, MO, Cass County, MO, Clay County, MO, Cooper County, MO, Howard County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Pettis County, MO, Platte County, MO, Ray County, MO, Saline County, MO

The radar

The Pleasant Hill radar (KEAX), 19 km from the middle of the area, began a volume at 06:15 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

Topeka, KS (KTOP), launched 00:00Z, 6.3 hours before the alert went out and 103 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 00:00Z on 2004-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 344 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 00:00Z on 2004-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 square meters per square second.1939587897117136Sfc1 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
344 J/kg
Mixed-layer CIN
-244 J/kg
Mixed-layer LCL
541 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
180 m²/s²
0-3 km storm-relative helicity
251 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 26, 7:57 PM CDTMesoscale DiscussionSPCCherokee, Crawford, Labette, Neosho63 min
May 26, 8:30 PM CDTTornado WatchSPCAllen, Anderson, Bourbon, Butler, Chautauqua, Coffey and 10 more6 hr
May 26, 11:14 PM CDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Butler, Chase, Coffey and 16 more2 hr
May 26, 11:40 PM CDTSevere Thunderstorm WatchSPCChase, Douglas, Franklin, Geary, Jefferson, Johnson and 9 more5 hr
May 27, 3:55 AM CDTMesoscale DiscussionSPCAtchison, Brown, Doniphan, Johnson, Leavenworth, Nemaha and 1 more95 min
May 27, 2:25 PM CDTSevere Thunderstorm WatchSPCJohnson, Wyandotte7 hr
May 27, 5:01 PM CDTMesoscale DiscussionSPCJohnson, Wyandotte89 min
May 26, 8:29 PM CDTMesoscale DiscussionSPCMcDonald91 min
May 26, 8:55 PM CDTTornado WatchSPCBollinger, Cape Girardeau, Crawford, Dent, Franklin, Gasconade and 8 more5 hr
May 26, 9:36 PM CDTMesoscale DiscussionSPCAudrain, Callaway, Lincoln, Marion, Monroe, Montgomery and 5 more54 min
May 27, 1:50 AM CDTTornado WatchSPCBarton, Camden, Cedar, Christian, Dade, Dallas and 15 more4 hr
May 27, 3:27 AM CDTMesoscale DiscussionSPCCedar, Christian, Dade, Dallas, Douglas, Greene and 12 more2 hr
May 27, 11:10 AM CDTMesoscale DiscussionSPCAdair, Audrain, Chariton, Clark, Daviess, Gentry and 20 more2 hr
May 27, 11:55 AM CDTSevere Thunderstorm WatchSPCAdair, Atchison, Clark, Gentry, Grundy, Harrison and 11 more6 hr
May 27, 1:52 PM CDTMesoscale DiscussionSPCAdair, Andrew, Audrain, Boone, Buchanan, Caldwell and 32 more113 min
May 27, 3:37 PM CDTMesoscale DiscussionSPCAudrain, Boone, Caldwell, Callaway, Carroll, Chariton and 28 more113 min

Nearby

Mesoscale Discussions in Missouri, 2004Mesoscale Discussions in Kansas, 2004Every mesoscale discussion in 2004

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.