Alert archive / Kansas / Mesoscale Discussions in 2008

Mesoscale Discussion 1018

May 25, 20084 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at May 25, 2008, 3:05 AM CDT for 4 counties in Kansas. It was in force for 55 min.

The area

The outline as issued.

The facts

Issued: May 25, 2008, 3:05 AM CDT (08:05 UTC)
Expired: May 25, 2008, 4:00 AM CDT
In force: 55 min
Issued by: the Storm Prediction Center

Counties Butler County, KS, Harvey County, KS, Sedgwick County, KS, Sumner County, KS

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 8.1 hours before the alert went out and 194 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 748 J/kg
Mixed-layer CIN: -177 J/kg
Mixed-layer LCL: 1002 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 184 m²/s²
0-3 km storm-relative helicity: 257 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 3.6

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.

Issued	Product	Office	Counties	Lasted
May 24, 9:34 PM CDT	Mesoscale Discussion	SPC	Chautauqua, Cowley, Elk, Harper, Labette, Montgomery and 2 more	56 min
May 24, 11:33 PM CDT	Tornado Watch	SPC	Barber, Butler, Cowley, Harper, Harvey, Kingman and 5 more	4 hr
May 25, 11:55 AM CDT	Mesoscale Discussion	SPC	Grant, Haskell, Meade, Morton, Seward, Stevens	65 min
May 25, 12:17 PM CDT	Mesoscale Discussion	SPC	Cherokee, Crawford, Labette	58 min
May 25, 12:39 PM CDT	Tornado Watch	SPC	Clark, Edwards, Finney, Ford, Grant, Gray and 15 more	5 hr
May 25, 1:13 PM CDT	Tornado Watch	SPC	Cherokee	7 hr
May 25, 2:23 PM CDT	Mesoscale Discussion	SPC	Barton, Clay, Cloud, Dickinson, Ellis, Ellsworth and 30 more	67 min
May 25, 2:49 PM CDT	Mesoscale Discussion	SPC	Cherokee, Crawford, Labette, Montgomery	56 min
May 25, 3:00 PM CDT	Tornado Watch	SPC	Barber, Barton, Brown, Clay, Cloud, Comanche and 30 more	6 hr
May 25, 5:29 PM CDT	Mesoscale Discussion	SPC	Clark, Comanche, Edwards, Finney, Ford, Grant and 11 more	61 min
May 25, 5:51 PM CDT	Tornado Watch	SPC	Barber, Clark, Comanche, Edwards, Ellis, Finney and 21 more	7 hr
May 25, 6:06 PM CDT	Mesoscale Discussion	SPC	Cherokee	114 min

Nearby

Mesoscale Discussions in Kansas, 2008 Every mesoscale discussion in 2008

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.