Alert archive / Kansas / Mesoscale Discussions in 2013

Mesoscale Discussion 1885

September 15, 201318 counties in Kansas; 4 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Sep 15, 2013, 2:59 PM CDT for 18 counties in Kansas; 4 counties in Oklahoma. It was in force for 91 min.

The area

The outline as issued.

The facts

Issued
Sep 15, 2013, 2:59 PM CDT (19:59 UTC)
Expired
Sep 15, 2013, 4:30 PM CDT
In force
91 min
Issued by
the Storm Prediction Center
Chance of a watch
20%
All 22 counties

Barber County, KS, Butler County, KS, Chase County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Kiowa County, KS, Marion County, KS, McPherson County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Sedgwick County, KS, Stafford County, KS, Sumner County, KS, Alfalfa County, OK, Harper County, OK, Woods County, OK, Woodward County, OK

The radar

The Wichita radar (KICT), 82 km from the middle of the area, began a volume at 20:00 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, 8.0 hours before the alert went out and 135 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 2013-09-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 444 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 2013-09-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 195 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
444 J/kg
Mixed-layer CIN
-140 J/kg
Mixed-layer LCL
1294 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
195 m²/s²
0-3 km storm-relative helicity
353 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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Nearby

Mesoscale Discussions in Kansas, 2013Mesoscale Discussions in Oklahoma, 2013Every mesoscale discussion in 2013

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.