Alert archive / Oklahoma / Mesoscale Discussions in 2003

Mesoscale Discussion 735

May 4, 20034 states

The Storm Prediction Center issued this mesoscale discussion at May 4, 2003, 3:05 PM CDT for 4 states. It was in force for 115 min.

The area

The outline as issued.

The facts

Issued
May 4, 2003, 3:05 PM CDT (20:05 UTC)
Expired
May 4, 2003, 5:00 PM CDT
In force
115 min
Issued by
the Storm Prediction Center
All 27 counties

Benton County, AR, Allen County, KS, Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Barton County, MO, Jasper County, MO, McDonald County, MO, Newton County, MO, Adair County, OK, Cherokee County, OK, Craig County, OK, Delaware County, OK, Haskell County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Ottawa County, OK, Pittsburg County, OK, Rogers County, OK, Sequoyah County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 52 km from the middle of the area, began a volume at 20:06 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

Springfield, MO (KSGF), launched 12:00Z, 8.1 hours before the alert went out and 134 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 12:00Z on 2003-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 50 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 12:00Z on 2003-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 282 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
50 J/kg
Mixed-layer CIN
-362 J/kg
Mixed-layer LCL
735 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
282 m²/s²
0-3 km storm-relative helicity
474 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.7

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
May 4, 12:35 PM CDTTornado WatchSPCBenton, Crawford, Sebastian, Washington6 hr
May 4, 5:01 PM CDTMesoscale DiscussionSPCClay, Craighead, Crittenden, Cross, Greene, Jackson and 7 more3 hr
May 4, 5:20 PM CDTMesoscale DiscussionSPCBaxter, Benton, Boone, Carroll, Cleburne, Conway and 21 more55 min
May 4, 6:05 PM CDTTornado WatchSPCBaxter, Benton, Boone, Carroll, Cleburne, Conway and 29 more7 hr
May 4, 6:55 PM CDTTornado WatchSPCClay, Craighead, Crittenden, Cross, Greene, Jackson and 9 more6 hr
May 3, 11:07 PM CDTMesoscale DiscussionSPCBarber, Barton, Butler, Chase, Clark, Clay and 43 more83 min
May 3, 11:46 PM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Brown, Clay and 30 more59 min
May 4, 12:10 AM CDTSevere Thunderstorm WatchSPCAnderson, Atchison, Brown, Chase, Clay, Coffey and 24 more6 hr
May 4, 2:58 AM CDTMesoscale DiscussionSPCAnderson, Atchison, Brown, Coffey, Doniphan, Douglas and 13 more92 min
May 4, 4:50 AM CDTSevere Thunderstorm WatchSPCDoniphan, Wyandotte6 hr
May 4, 7:43 AM CDTMesoscale DiscussionSPCDoniphan2 hr
May 4, 10:19 AM CDTMesoscale DiscussionSPCAtchison, Butler, Chase, Clay, Coffey, Dickinson and 19 more116 min
May 4, 11:40 AM CDTTornado WatchSPCAnderson, Chase, Clay, Cloud, Coffey, Dickinson and 19 more6 hr
May 4, 11:44 AM CDTMesoscale DiscussionSPCChautauqua, Cherokee, Crawford, Labette, Montgomery, Neosho and 1 more3 hr
May 4, 12:14 PM CDTMesoscale DiscussionSPCAtchison, Brown, Doniphan, Douglas, Jackson, Jefferson and 7 more2 hr
May 4, 12:45 PM CDTTornado WatchSPCAtchison, Brown, Doniphan, Douglas, Jefferson, Johnson and 4 more6 hr
May 4, 2:22 PM CDTMesoscale DiscussionSPCAnderson, Atchison, Brown, Coffey, Doniphan, Douglas and 13 more113 min
May 4, 2:58 PM CDTMesoscale DiscussionSPCEllis, Gove, Jewell, Lane, Lincoln, Mitchell and 9 more92 min
May 4, 4:28 PM CDTMesoscale DiscussionSPCWyandotte62 min
May 4, 4:43 PM CDTMesoscale DiscussionSPCBourbon, Cherokee, Crawford, Labette, Linn, Neosho2 hr
May 4, 6:20 PM CDTTornado WatchSPCDoniphan, Wyandotte6 hr
May 4, 3:56 PM CDTMesoscale DiscussionSPCAdair, Chariton, Grundy, Harrison, Linn, Livingston and 6 more2 hr
May 4, 5:25 PM CDTSevere Thunderstorm WatchSPCAdair, Audrain, Bollinger, Callaway, Cape Girardeau, Clark and 28 more6 hr
May 3, 8:05 PM CDTTornado WatchSPCBeckham, Blaine, Caddo, Canadian, Comanche, Cotton and 14 more6 hr
May 3, 10:00 PM CDTMesoscale DiscussionSPCBeckham, Blaine, Caddo, Canadian, Comanche, Cotton and 12 more2 hr
May 4, 2:16 PM CDTMesoscale DiscussionSPCBryan, Johnston, Love, Marshall, Murray119 min
May 4, 3:00 PM CDTTornado WatchSPCAtoka, Bryan, Carter, Choctaw, Coal, Garvin and 6 more6 hr
May 4, 6:28 PM CDTMesoscale DiscussionSPCAtoka, Bryan, Carter, Choctaw, Coal, Johnston and 5 more2 hr

Nearby

Mesoscale Discussions in Oklahoma, 2003Mesoscale Discussions in Kansas, 2003Mesoscale Discussions in Missouri, 2003Every mesoscale discussion in 2003

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.