Alert archive / Oklahoma / Mesoscale Discussions in 2005

Mesoscale Discussion 1632

July 4, 20055 states

The Storm Prediction Center issued this mesoscale discussion at Jul 4, 2005, 1:40 AM CDT for 5 states. It was in force for 35 min.

The area

The outline as issued.

The facts

Issued
Jul 4, 2005, 1:40 AM CDT (06:40 UTC)
Expired
Jul 4, 2005, 2:15 AM CDT
In force
35 min
Issued by
the Storm Prediction Center
All 123 counties

Benton County, AR, Crawford County, AR, Franklin County, AR, Howard County, AR, Little River County, AR, Logan County, AR, Madison County, AR, Montgomery County, AR, Polk County, AR, Scott County, AR, Sebastian County, AR, Sevier County, AR, Washington County, AR, Chautauqua County, KS, Elk County, KS, Labette County, KS, Montgomery County, KS, Barry County, MO, McDonald County, MO, Newton County, MO, Adair County, OK, Alfalfa County, OK, Atoka County, OK, Beaver County, OK, Beckham County, OK, Blaine 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, Custer County, OK, Delaware County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Haskell County, OK, Hughes County, OK, Jackson County, OK, Jefferson County, OK, Johnston County, OK, Kingfisher County, OK, Kiowa County, OK, Latimer County, OK, LeFlore County, OK, Lincoln County, OK, Logan County, OK, Love County, OK, Major County, OK, Marshall County, OK, Mayes County, OK, McClain County, OK, McCurtain 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, Roger Mills 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, Washita County, OK, Woods County, OK, Woodward County, OK, Archer County, TX, Baylor County, TX, Bowie County, TX, Childress County, TX, Clay County, TX, Collin County, TX, Collingsworth County, TX, Cooke County, TX, Delta County, TX, Denton County, TX, Fannin County, TX, Foard County, TX, Franklin County, TX, Gray County, TX, Grayson County, TX, Hardeman County, TX, Hemphill County, TX, Hopkins County, TX, Hunt County, TX, Lamar County, TX, Lipscomb County, TX, Montague County, TX, Ochiltree County, TX, Red River County, TX, Roberts County, TX, Titus County, TX, Wheeler County, TX, Wichita County, TX, Wilbarger County, TX, Wise County, TX

The radar

The Norman radar (KTLX), 55 km from the middle of the area, began a volume at 06:44 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 00:00Z, 6.7 hours before the alert went out and 60 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 00:00Z on 2005-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3838 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 00:00Z on 2005-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 square meters per square second.1939Sfc1 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
3838 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
1823 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
257 m²/s²
Significant tornado parameter
0.3
Supercell composite
8.6

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 4, 12:01 AM CDTMesoscale DiscussionSPCBenton, Boone, Carroll, Conway, Crawford, Franklin and 10 more89 min
Jul 4, 2:15 AM CDTSevere Thunderstorm WatchSPCBenton, Carroll, Crawford, Madison, Washington7 hr
Jul 4, 5:12 AM CDTMesoscale DiscussionSPCBenton, Boone, Carroll, Crawford, Franklin, Madison and 2 more63 min
Jul 4, 11:35 AM CDTMesoscale DiscussionSPCBradley, Calhoun, Clark, Cleveland, Columbia, Dallas and 11 more85 min
Jul 4, 12:21 PM CDTMesoscale DiscussionSPCClay, Cleburne, Craighead, Fulton, Greene, Independence and 8 more84 min
Jul 4, 12:50 PM CDTSevere Thunderstorm WatchSPCClay, Cleburne, Conway, Craighead, Cross, Fulton and 12 more6 hr
Jul 4, 3:22 PM CDTMesoscale DiscussionSPCClay, Cleburne, Conway, Craighead, Crittenden, Cross and 14 more83 min
Jul 4, 5:41 PM CDTMesoscale DiscussionSPCClay, Cleburne, Conway, Craighead, Crittenden, Cross and 11 more94 min
Jul 3, 7:20 PM CDTMesoscale DiscussionSPCAllen, Bourbon, Chautauqua, Cherokee, Crawford, Elk and 6 more115 min
Jul 3, 7:45 PM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 9 more7 hr
Jul 3, 8:44 PM CDTMesoscale DiscussionSPCBarber, Barton, Clark, Comanche, Edwards, Ellis and 43 more31 min
Jul 3, 8:55 PM CDTSevere Thunderstorm WatchSPCBarber, Butler, Clark, Comanche, Cowley, Ford and 10 more4 hr
Jul 3, 8:56 PM CDTMesoscale DiscussionSPCAnderson, Atchison, Brown, Coffey, Doniphan, Douglas and 13 more64 min
Jul 3, 9:48 PM CDTMesoscale DiscussionSPCBourbon, Cherokee, Crawford, Labette, Montgomery, Neosho and 1 more87 min
Jul 3, 11:25 PM CDTMesoscale DiscussionSPCBarber, Chautauqua, Clark, Comanche, Cowley, Harper and 4 more95 min
Jul 4, 3:00 AM CDTMesoscale DiscussionSPCCheyenne, Decatur, Gove, Logan, Rawlins, Sheridan and 3 more2 hr
Jul 4, 4:42 PM CDTMesoscale DiscussionSPCCheyenne, Clark, Decatur, Edwards, Ellis, Finney and 30 more63 min
Jul 4, 5:00 PM CDTSevere Thunderstorm WatchSPCCheyenne, Decatur, Finney, Gove, Grant, Gray and 18 more7 hr
Jul 4, 6:44 PM CDTMesoscale DiscussionSPCCheyenne, Decatur, Finney, Gove, Grant, Gray and 14 more91 min
Jul 4, 11:13 AM CDTMesoscale DiscussionSPCJefferson, Saint Charles, Saint Louis, City of Saint Louis92 min
Jul 3, 8:25 PM CDTSevere Thunderstorm WatchSPCAdair, Alfalfa, Beaver, Blaine, Canadian, Cherokee and 37 more8 hr
Jul 4, 3:28 AM CDTMesoscale DiscussionSPCBeckham, Blaine, Caddo, Canadian, Custer, Dewey and 13 more32 min
Jul 4, 3:35 PM CDTSevere Thunderstorm WatchSPCCimarron6 hr
Jul 4, 5:21 PM CDTMesoscale DiscussionSPCBeaver, Beckham, Cimarron, Ellis, Greer, Harmon and 3 more84 min
Jul 4, 6:49 PM CDTMesoscale DiscussionSPCBryan, Jefferson, Love, Marshall116 min
Jul 4, 3:03 PM CDTMesoscale DiscussionSPCBailey, Borden, Callahan, Castro, Cochran, Coke and 28 more117 min

Nearby

Mesoscale Discussions in Oklahoma, 2005Mesoscale Discussions in Texas, 2005Mesoscale Discussions in Arkansas, 2005Every mesoscale discussion in 2005

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.