Alert archive / Kansas / Mesoscale Discussions in 2016

Mesoscale Discussion 1430

July 28, 201629 counties in Kansas; 6 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Jul 28, 2016, 8:16 PM CDT for 29 counties in Kansas; 6 counties in Oklahoma. It was in force for 89 min.

The area

The outline as issued.

The facts

Issued
Jul 28, 2016, 8:16 PM CDT (01:16 UTC)
Expired
Jul 28, 2016, 9:45 PM CDT
In force
89 min
Issued by
the Storm Prediction Center
All 35 counties

Allen County, KS, Anderson County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Coffey County, KS, Cowley County, KS, Elk County, KS, Franklin County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Jefferson County, KS, Kingman County, KS, Labette County, KS, Lyon County, KS, Marion County, KS, Montgomery County, KS, Morris County, KS, Neosho County, KS, Osage County, KS, Pottawatomie County, KS, Reno County, KS, Sedgwick County, KS, Shawnee County, KS, Sumner County, KS, Wabaunsee County, KS, Wilson County, KS, Woodson County, KS, Craig County, OK, Grant County, OK, Kay County, OK, Nowata County, OK, Osage County, OK, Washington County, OK

The radar

The Wichita radar (KICT), 50 km from the middle of the area, began a volume at 01:18 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

Topeka, KS (KFOE), launched 00:00Z, 1.3 hours before the alert went out and 168 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 2016-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 559 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 2016-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 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
559 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1651 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
40 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.9

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 28, 8:01 PM CDTMesoscale DiscussionSPCGrant, Greeley, Hamilton, Kearny, Morton, Stanton and 2 more59 min
Jul 28, 11:39 PM CDTMesoscale DiscussionSPCGreeley, Hamilton2 hr
Jul 29, 4:45 AM CDTMesoscale DiscussionSPCBlaine, Caddo, Canadian, Cleveland, Creek, Custer and 17 more90 min
Jul 29, 12:28 PM CDTMesoscale DiscussionSPCLeFlore2 hr
Jul 29, 3:42 PM CDTMesoscale DiscussionSPCCimarron2 hr

Nearby

Mesoscale Discussions in Kansas, 2016Mesoscale Discussions in Oklahoma, 2016Every mesoscale discussion in 2016

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.