Alert archive / Kansas / Mesoscale Discussions in 2018

Mesoscale Discussion 1529

October 5, 201817 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at Oct 5, 2018, 7:44 PM CDT for 17 counties in Kansas. It was in force for 91 min.

The area

The outline as issued.

The facts

Issued
Oct 5, 2018, 7:44 PM CDT (00:44 UTC)
Expired
Oct 5, 2018, 9:15 PM CDT
In force
91 min
Issued by
the Storm Prediction Center
Chance of a watch
20%

Counties Barton County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Edwards County, KS, Ellsworth County, KS, Hodgeman County, KS, Lincoln County, KS, McPherson County, KS, Mitchell County, KS, Ottawa County, KS, Pawnee County, KS, Rice County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Stafford County, KS

The radar

The Dodge City radar (KDDC), 146 km from the middle of the area, began a volume at 00:47 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

Dodge City, (KDDC), launched 00:00Z, 0.7 hours before the alert went out and 141 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, Dodge City, at 00:00Z on 2018-10-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1950 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, Dodge City, at 00:00Z on 2018-10-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 195 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
1950 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
1859 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
195 m²/s²
0-3 km storm-relative helicity
233 m²/s²
Significant tornado parameter
0.3
Supercell composite
10.0

Open this sounding in Storm Lab

The text

As transmitted.

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Nearby

Mesoscale Discussions in Kansas, 2018Every mesoscale discussion in 2018

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.