Alert archive / Kansas / Mesoscale Discussions in 2015

Mesoscale Discussion 1395

July 13, 201517 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at Jul 13, 2015, 3:46 PM CDT for 17 counties in Kansas. It was in force for 89 min.

The area

The outline as issued.

The facts

Issued
Jul 13, 2015, 3:46 PM CDT (20:46 UTC)
Expired
Jul 13, 2015, 5:15 PM CDT
In force
89 min
Issued by
the Storm Prediction Center
Chance of a watch
20%

Counties Barton County, KS, Clay County, KS, Dickinson County, KS, Ellsworth County, KS, Geary County, KS, Hodgeman County, KS, Lincoln County, KS, McPherson County, KS, Ness County, KS, Ottawa County, KS, Pawnee County, KS, Pottawatomie County, KS, Rice County, KS, Riley County, KS, Rush County, KS, Russell County, KS, Saline County, KS

The radar

The Wichita radar (KICT), 140 km from the middle of the area, began a volume at 20:52 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 12:00Z, 8.8 hours before the alert went out and 202 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 12:00Z on 2015-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 96 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 12:00Z on 2015-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 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
96 J/kg
Mixed-layer CIN
-373 J/kg
Mixed-layer LCL
3364 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
-45 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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
Jul 13, 6:20 PM CDTSevere Thunderstorm WatchSPCJohnson, Linn, Miami4 hr

Nearby

Mesoscale Discussions in Kansas, 2015Every mesoscale discussion in 2015

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.