Alert archive / Oklahoma / Mesoscale Discussions in 2005

Mesoscale Discussion 1636

July 4, 20058 counties in Arkansas; 4 counties in Missouri; 50 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Jul 4, 2005, 5:12 AM CDT for 8 counties in Arkansas; 4 counties in Missouri; 50 counties in Oklahoma. It was in force for 63 min.

The area

The outline as issued.

The facts

Issued
Jul 4, 2005, 5:12 AM CDT (10:12 UTC)
Expired
Jul 4, 2005, 6:15 AM CDT
In force
63 min
Issued by
the Storm Prediction Center
All 62 counties

Benton County, AR, Boone County, AR, Carroll County, AR, Crawford County, AR, Franklin County, AR, Madison County, AR, Sebastian County, AR, Washington County, AR, Barry County, MO, McDonald County, MO, Stone County, MO, Taney County, MO, Adair County, OK, Atoka 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, Creek County, OK, Custer County, OK, Delaware County, OK, Dewey County, OK, Garvin County, OK, Grady 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, Marshall County, OK, McClain County, OK, McCurtain County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Ottawa County, OK, Payne County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Pushmataha County, OK, Seminole County, OK, Sequoyah County, OK, Stephens County, OK, Tillman County, OK, Washita County, OK

The radar

The Norman radar (KTLX), 21 km from the middle of the area, began a volume at 10:14 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

Norman, OK (KOUN), launched 00:00Z, 10.2 hours before the alert went out and 37 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, 1:40 AM CDTMesoscale DiscussionSPCBenton, Crawford, Franklin, Howard, Little River, Logan and 7 more35 min
Jul 4, 2:15 AM CDTSevere Thunderstorm WatchSPCBenton, Carroll, Crawford, Madison, Washington7 hr
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 DiscussionSPCBarry, Barton, Bates, Benton, Cedar, Christian and 19 more115 min
Jul 3, 7:45 PM CDTSevere Thunderstorm WatchSPCBarton, Bates, Camden, Cedar, Christian, Dade and 13 more7 hr
Jul 3, 8:56 PM CDTMesoscale DiscussionSPCAndrew, Atchison, Buchanan, Clay, Clinton, DeKalb and 5 more64 min
Jul 3, 9:48 PM CDTMesoscale DiscussionSPCBarry, Barton, Benton, Camden, Cedar, Christian and 30 more87 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 3, 11:25 PM CDTMesoscale DiscussionSPCAdair, Alfalfa, Blaine, Canadian, Cherokee, Craig and 29 more95 min
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

Nearby

Mesoscale Discussions in Oklahoma, 2005Mesoscale Discussions in Arkansas, 2005Mesoscale Discussions in Missouri, 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.