Alert archive / Oklahoma / Mesoscale Discussions in 2004

Mesoscale Discussion 1540

July 6, 20045 states

The Storm Prediction Center issued this mesoscale discussion at Jul 6, 2004, 5:18 AM CDT for 5 states. It was in force for 117 min.

The area

The outline as issued.

The facts

Issued
Jul 6, 2004, 5:18 AM CDT (10:18 UTC)
Expired
Jul 6, 2004, 7:15 AM CDT
In force
117 min
Issued by
the Storm Prediction Center
All 134 counties

Benton County, AR, Carroll County, AR, Crawford County, AR, Madison County, AR, Washington County, AR, Allen County, KS, Anderson County, KS, Atchison 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, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Labette County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Miami County, KS, Montgomery County, KS, Neosho County, KS, Osage County, KS, Shawnee County, KS, Sumner 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, Boone County, MO, Camden County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Chariton County, MO, Christian County, MO, Clay County, MO, Clinton County, MO, Cooper County, MO, Dade County, MO, Dallas County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jackson County, MO, Jasper County, MO, Johnson County, MO, Lafayette County, MO, Lawrence County, MO, McDonald County, MO, Moniteau County, MO, Monroe County, MO, Morgan County, MO, Newton County, MO, Pettis County, MO, Platte County, MO, Polk County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, St. Clair County, MO, Stone County, MO, Vernon County, MO, Adair County, OK, Atoka County, OK, Bryan County, OK, Caddo County, OK, Canadian County, OK, Carter County, OK, Cherokee County, OK, Choctaw County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Haskell County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Kay County, OK, Kingfisher County, OK, Latimer County, OK, LeFlore County, OK, Lincoln County, OK, Logan County, OK, Love County, OK, Marshall County, OK, Mayes County, OK, McClain County, OK, McIntosh County, OK, Murray 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, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Pushmataha County, OK, Rogers County, OK, Seminole County, OK, Sequoyah County, OK, Stephens County, OK, Tillman County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK, Wichita County, TX, Wilbarger County, TX

The radar

The Tulsa radar (KINX), 49 km from the middle of the area, began a volume at 10:18 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

Springfield, MO (KSGF), launched 00:00Z, 10.3 hours before the alert went out and 132 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, Springfield, MO at 00:00Z on 2004-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2039 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, Springfield, MO at 00:00Z on 2004-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 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
2039 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
1471 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.6
Supercell composite
13.2

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 6, 3:50 AM CDTSevere Thunderstorm WatchSPCBenton, Carroll, Crawford, Madison, Sebastian, Washington5 hr
Jul 6, 11:01 AM CDTMesoscale DiscussionSPCClay, Fulton, Randolph, Sharp59 min
Jul 6, 12:10 PM CDTSevere Thunderstorm WatchSPCClay, Cleburne, Craighead, Crittenden, Cross, Faulkner and 15 more6 hr
Jul 6, 2:34 PM CDTMesoscale DiscussionSPCClay, Mississippi56 min
Jul 6, 5:37 PM CDTMesoscale DiscussionSPCClay, Craighead, Fulton, Greene, Lawrence, Randolph and 1 more53 min
Jul 5, 7:10 PM CDTMesoscale DiscussionSPCClay, Cloud, Dickinson, Geary, Graham, Jewell and 15 more65 min
Jul 5, 7:40 PM CDTSevere Thunderstorm WatchSPCCloud, Decatur, Graham, Jewell, Lincoln, Mitchell and 9 more6 hr
Jul 5, 7:54 PM CDTMesoscale DiscussionSPCAllen, Barber, Bourbon, Butler, Chautauqua, Cherokee and 17 more96 min
Jul 5, 8:50 PM CDTMesoscale DiscussionSPCEllis, Finney, Gove, Graham, Greeley, Hamilton and 16 more55 min
Jul 5, 10:00 PM CDTSevere Thunderstorm WatchSPCAtchison, Barber, Brown, Butler, Chase, Chautauqua and 39 more6 hr
Jul 5, 11:31 PM CDTMesoscale DiscussionSPCBarber, Barton, Clark, Clay, Cloud, Comanche and 28 more59 min
Jul 5, 11:45 PM CDTSevere Thunderstorm WatchSPCBarber, Clark, Comanche, Grant, Harper, Haskell and 7 more4 hr
Jul 6, 1:16 AM CDTMesoscale DiscussionSPCAtchison, Barber, Brown, Butler, Chase, Chautauqua and 46 more119 min
Jul 6, 2:45 AM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Coffey, Douglas and 9 more2 hr
Jul 6, 3:10 AM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Atchison, Bourbon, Butler, Chase and 27 more5 hr
Jul 5, 7:05 PM CDTMesoscale DiscussionSPCCamden, Cole, Crawford, Dallas, Franklin, Gasconade and 13 more55 min
Jul 5, 11:44 PM CDTMesoscale DiscussionSPCFranklin, Jefferson, Lincoln, Saint Charles, Saint Louis, Warren and 1 more91 min
Jul 6, 6:50 AM CDTSevere Thunderstorm WatchSPCAudrain, Callaway, Cole, Franklin, Gasconade, Jefferson and 11 more4 hr
Jul 6, 2:53 PM CDTMesoscale DiscussionSPCCity of Saint Louis37 min
Jul 6, 3:31 PM CDTMesoscale DiscussionSPCCimarron, Harmon2 hr
Jul 6, 3:55 PM CDTSevere Thunderstorm WatchSPCBailey, Carson, Castro, Cochran, Dallam, Deaf Smith and 14 more6 hr

Nearby

Mesoscale Discussions in Oklahoma, 2004Mesoscale Discussions in Missouri, 2004Mesoscale Discussions in Kansas, 2004Every mesoscale discussion in 2004

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.