Alert archive / Kansas / Mesoscale Discussions in 2007

Mesoscale Discussion 2092

October 17, 20074 states

The Storm Prediction Center issued this mesoscale discussion at Oct 17, 2007, 10:24 AM CDT for 4 states. It was in force for 96 min.

The area

The outline as issued.

The facts

Issued
Oct 17, 2007, 10:24 AM CDT (15:24 UTC)
Expired
Oct 17, 2007, 12:00 PM CDT
In force
96 min
Issued by
the Storm Prediction Center
All 84 counties

Benton County, AR, Washington County, AR, Allen County, KS, Anderson County, KS, Bourbon County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Cherokee County, KS, Coffey County, KS, Cowley County, KS, Crawford County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Greenwood County, KS, Harvey County, KS, Johnson County, KS, Labette County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Marion County, KS, Miami County, KS, Montgomery County, KS, Morris County, KS, Neosho County, KS, Osage County, KS, Shawnee County, KS, Wabaunsee County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Barry County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Cass County, MO, Cedar County, MO, Dade County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Jackson County, MO, Jasper County, MO, Johnson County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Polk County, MO, St. Clair County, MO, Stone County, MO, Vernon County, MO, Adair County, OK, Cherokee County, OK, Cleveland County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Haskell County, OK, Hughes County, OK, Kay County, OK, Lincoln County, OK, Logan County, OK, Mayes County, OK, McClain County, OK, McIntosh County, OK, Muskogee County, OK, Noble County, OK, Nowata County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Payne County, OK, Pottawatomie County, OK, Rogers County, OK, Seminole County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 69 km from the middle of the area, began a volume at 15:24 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

Norman, OK (KOUN), launched 12:00Z, 3.4 hours before the alert went out and 198 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, Norman, OK at 12:00Z on 2007-10-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 719 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, Norman, OK at 12:00Z on 2007-10-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 367 square meters per square second.1939587897Sfc1 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
719 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
476 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
367 m²/s²
0-3 km storm-relative helicity
396 m²/s²
Significant tornado parameter
1.1
Supercell composite
5.9

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
Oct 17, 9:36 AM CDTMesoscale DiscussionSPCAshley, Bradley, Calhoun, Cleveland, Columbia, Dallas and 5 more114 min
Oct 17, 10:43 AM CDTTornado WatchSPCBenton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more7 hr
Oct 17, 11:13 AM CDTTornado WatchSPCColumbia, Hempstead, Lafayette, Little River, Miller, Nevada and 1 more7 hr
Oct 17, 2:36 PM CDTMesoscale DiscussionSPCAshley, Bradley, Calhoun, Clark, Cleveland, Columbia and 14 more114 min
Oct 17, 4:31 PM CDTTornado WatchSPCArkansas, Baxter, Benton, Boone, Bradley, Calhoun and 55 more7 hr
Oct 17, 5:15 PM CDTMesoscale DiscussionSPCArkansas, Ashley, Chicot, Crittenden, Cross, Desha and 7 more2 hr
Oct 17, 1:12 AM CDTMesoscale DiscussionSPCBarber, Clark, Comanche, Edwards, Finney, Ford and 13 more93 min
Oct 17, 1:44 AM CDTSevere Thunderstorm WatchSPCBarber, Clark, Comanche, Edwards, Ellis, Finney and 21 more7 hr
Oct 17, 4:07 AM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Brown, Butler and 52 more113 min
Oct 17, 6:50 AM CDTMesoscale DiscussionSPCClark, Comanche, Edwards, Ford, Gray, Hodgeman and 9 more100 min
Oct 17, 12:58 PM CDTMesoscale DiscussionSPCBarber, Barton, Clark, Comanche, Edwards, Ellis and 16 more92 min
Oct 17, 2:25 PM CDTTornado WatchSPCBarber, Chautauqua, Cowley, Elk, Harper, Kingman and 4 more8 hr
Oct 17, 2:59 PM CDTSevere Thunderstorm WatchSPCBarton, Cloud, Decatur, Edwards, Ellis, Ellsworth and 21 more7 hr
Oct 17, 5:30 PM CDTTornado WatchSPCBourbon, Cherokee, Crawford6 hr
Oct 17, 5:44 PM CDTMesoscale DiscussionSPCBarton, Cloud, Decatur, Edwards, Ellis, Ellsworth and 22 more61 min
Oct 17, 6:23 PM CDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Butler, Chase, Chautauqua and 32 more37 min
Oct 17, 4:29 PM CDTMesoscale DiscussionSPCAdair, Audrain, Barry, Barton, Bates, Benton and 80 more31 min
Oct 16, 10:36 PM CDTMesoscale DiscussionSPCBeckham, Greer, Harmon, Jackson, Roger Mills114 min
Oct 17, 1:36 AM CDTTornado WatchSPCBeckham, Custer, Dewey, Ellis, Greer, Harmon and 7 more7 hr
Oct 17, 6:07 AM CDTMesoscale DiscussionSPCBeckham, Custer, Dewey, Ellis, Greer, Harmon and 7 more113 min
Oct 17, 7:43 AM CDTTornado WatchSPCBlaine, Caddo, Canadian, Carter, Cleveland, Comanche and 33 more7 hr
Oct 17, 1:20 PM CDTMesoscale DiscussionSPCAtoka, Bryan, Cherokee, Choctaw, Coal, Creek and 25 more85 min

Nearby

Mesoscale Discussions in Kansas, 2007Mesoscale Discussions in Oklahoma, 2007Mesoscale Discussions in Missouri, 2007Every mesoscale discussion in 2007

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.