Alert archive / Kansas / Mesoscale Discussions in 2013

Mesoscale Discussion 1265

June 27, 20134 states

The Storm Prediction Center issued this mesoscale discussion at Jun 27, 2013, 11:35 AM CDT for 4 states. It was in force for 115 min.

The area

The outline as issued.

The facts

Issued
Jun 27, 2013, 11:35 AM CDT (16:35 UTC)
Expired
Jun 27, 2013, 1:30 PM CDT
In force
115 min
Issued by
the Storm Prediction Center
All 117 counties

Fremont County, IA, Mills County, IA, Page County, IA, Allen County, KS, Anderson County, KS, Atchison County, KS, Barton County, KS, Bourbon County, KS, Brown County, KS, Butler County, KS, Chase County, KS, Clay County, KS, Cloud County, KS, Coffey County, KS, Crawford County, KS, Dickinson County, KS, Doniphan County, KS, Douglas County, KS, Elk County, KS, Ellsworth County, KS, Franklin County, KS, Geary County, KS, Greenwood County, KS, Harvey County, KS, Jackson County, KS, Jefferson County, KS, Jewell County, KS, Johnson County, KS, Leavenworth County, KS, Lincoln County, KS, Linn County, KS, Lyon County, KS, Marion County, KS, Marshall County, KS, McPherson County, KS, Miami County, KS, Mitchell County, KS, Morris County, KS, Nemaha County, KS, Neosho County, KS, Osage County, KS, Osborne County, KS, Ottawa County, KS, Pottawatomie County, KS, Reno County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Russell County, KS, Saline County, KS, Sedgwick County, KS, Shawnee County, KS, Wabaunsee County, KS, Washington County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Andrew County, MO, Atchison County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Buchanan County, MO, Caldwell County, MO, Camden County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Clay County, MO, Clinton County, MO, Cooper County, MO, Dade County, MO, Dallas County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Holt County, MO, Jackson County, MO, Johnson County, MO, Laclede County, MO, Lafayette County, MO, Miller County, MO, Moniteau County, MO, Morgan County, MO, Nodaway County, MO, Pettis County, MO, Platte County, MO, Polk County, MO, Pulaski County, MO, Ray County, MO, Saline County, MO, St. Clair County, MO, Texas County, MO, Vernon County, MO, Webster County, MO, Wright County, MO, Butler County, NE, Cass County, NE, Douglas County, NE, Fillmore County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Nuckolls County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Thayer County, NE

The radar

The Topeka radar (KTWX), 64 km from the middle of the area, began a volume at 16:39 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 4.6 hours before the alert went out and 41 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 12:00Z on 2013-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3630 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 12:00Z on 2013-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
3630 J/kg
Mixed-layer CIN
-106 J/kg
Mixed-layer LCL
1189 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.0
Supercell composite
7.5

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
Jun 27, 4:28 AM CDTMesoscale DiscussionSPCFremont, Harrison62 min
Jun 27, 8:28 AM CDTSevere Thunderstorm WatchSPCAnderson, Atchison, Brown, Clay, Cloud, Coffey and 24 more8 hr
Jun 27, 2:29 PM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Barber, Barton, Bourbon, Butler and 66 more8 hr
Jun 27, 3:37 PM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Barber, Barton, Bourbon and 79 more83 min
Jun 27, 6:54 PM CDTMesoscale DiscussionSPCAllen, Anderson, Barber, Butler, Chase, Chautauqua and 31 more96 min

Nearby

Mesoscale Discussions in Kansas, 2013Mesoscale Discussions in Missouri, 2013Mesoscale Discussions in Nebraska, 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.