Alert archive / Kansas / Mesoscale Discussions in 2004

Mesoscale Discussion 2115

August 25, 20046 counties in Kansas; Bates County, Cass County, Jackson County, Missouri

The Storm Prediction Center issued this mesoscale discussion at Aug 25, 2004, 9:35 PM CDT for 6 counties in Kansas; Bates County, Cass County, Jackson County, Missouri. It was in force for 55 min.

The area

The outline as issued.

The facts

Issued
Aug 25, 2004, 9:35 PM CDT (02:35 UTC)
Expired
Aug 25, 2004, 10:30 PM CDT
In force
55 min
Issued by
the Storm Prediction Center

Counties Anderson County, KS, Douglas County, KS, Franklin County, KS, Johnson County, KS, Linn County, KS, Miami County, KS, Bates County, MO, Cass County, MO, Jackson County, MO

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 2.6 hours before the alert went out and 81 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 2004-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2879 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 2004-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 199 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
2879 J/kg
Mixed-layer CIN
-63 J/kg
Mixed-layer LCL
1214 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
199 m²/s²
0-3 km storm-relative helicity
245 m²/s²
Significant tornado parameter
2.4
Supercell composite
20.8

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
Aug 25, 7:47 PM CDTMesoscale DiscussionSPCBollinger, Butler, Camden, Cape Girardeau, Carter, Christian and 40 more58 min
Aug 25, 9:57 PM CDTMesoscale DiscussionSPCAdair, Chariton, Clark, Daviess, Grundy, Harrison and 15 more93 min
Aug 26, 3:50 PM CDTMesoscale DiscussionSPCCrawford, Franklin, Gasconade, Iron, Jefferson, Lincoln and 12 more115 min
Aug 26, 4:10 PM CDTTornado WatchSPCAtchison, Gentry, Harrison, Holt, Mercer, Nodaway and 1 more6 hr

Nearby

Mesoscale Discussions in Kansas, 2004Mesoscale Discussions in Missouri, 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.