Alert archive / Kansas / Mesoscale Discussions in 2004

Mesoscale Discussion 233

March 27, 200427 counties in Kansas; 4 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Mar 27, 2004, 3:04 PM CST for 27 counties in Kansas; 4 counties in Nebraska. It was in force for 116 min.

The area

The outline as issued.

The facts

Issued
Mar 27, 2004, 3:04 PM CST (21:04 UTC)
Expired
Mar 27, 2004, 5:00 PM CST
In force
116 min
Issued by
the Storm Prediction Center
All 31 counties

Anderson County, KS, Butler County, KS, Chase County, KS, Clay County, KS, Cloud County, KS, Coffey County, KS, Dickinson County, KS, Elk County, KS, Franklin County, KS, Geary County, KS, Greenwood County, KS, Jackson County, KS, Lyon County, KS, Marion County, KS, Marshall County, KS, Morris County, KS, Nemaha County, KS, Osage County, KS, Ottawa County, KS, Pottawatomie County, KS, Riley County, KS, Saline County, KS, Shawnee County, KS, Wabaunsee County, KS, Washington County, KS, Wilson County, KS, Woodson County, KS, Gage County, NE, Jefferson County, NE, Johnson County, NE, Pawnee County, NE

The radar

The Topeka radar (KTWX), 33 km from the middle of the area, began a volume at 21:07 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 12:00Z, 9.1 hours before the alert went out and 84 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 2004-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 45 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 2004-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 162 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
45 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
652 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
162 m²/s²
0-3 km storm-relative helicity
145 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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
Mar 26, 6:00 PM CSTMesoscale DiscussionSPCClark, Finney, Ford, Grant, Gray, Hamilton and 7 more2 hr
Mar 27, 1:55 AM CSTMesoscale DiscussionSPCGrant, Morton, Seward, Stanton, Stevens2 hr
Mar 27, 7:12 AM CSTMesoscale DiscussionSPCBarber, Clark, Comanche, Edwards, Ford, Harper and 7 more93 min
Mar 27, 9:12 AM CSTMesoscale DiscussionSPCBarber, Barton, Clark, Comanche, Edwards, Ellis and 21 more3 hr
Mar 27, 11:35 AM CSTSevere Thunderstorm WatchSPCBarber, Barton, Clark, Comanche, Edwards, Ellis and 23 more5 hr
Mar 27, 12:07 PM CSTMesoscale DiscussionSPCBarber, Harper, Sumner113 min
Mar 27, 1:35 PM CSTTornado WatchSPCBarber, Barton, Harper, Harvey, Kingman, McPherson and 6 more5 hr
Mar 27, 1:36 PM CSTMesoscale DiscussionSPCBarber, Barton, Edwards, Kingman, Pawnee, Pratt and 3 more114 min
Mar 27, 2:34 PM CSTMesoscale DiscussionSPCBarber, Butler, Chase, Chautauqua, Comanche, Cowley and 12 more116 min
Mar 27, 12:11 PM CSTMesoscale DiscussionSPCAntelope, Boone, Buffalo, Butler, Cedar, Colfax and 23 more3 hr

Nearby

Mesoscale Discussions in Kansas, 2004Mesoscale Discussions in Nebraska, 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.