Alert archive / Oklahoma / Mesoscale Discussions in 2004

Mesoscale Discussion 1057

June 2, 20044 counties in Arkansas; 27 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Jun 2, 2004, 2:35 PM CDT for 4 counties in Arkansas; 27 counties in Oklahoma. It was in force for 115 min.

The area

The outline as issued.

The facts

Issued
Jun 2, 2004, 2:35 PM CDT (19:35 UTC)
Expired
Jun 2, 2004, 4:30 PM CDT
In force
115 min
Issued by
the Storm Prediction Center
All 31 counties

Crawford County, AR, Franklin County, AR, Sebastian County, AR, Washington County, AR, Adair County, OK, Caddo County, OK, Canadian County, OK, Cherokee County, OK, Cleveland County, OK, Creek County, OK, Delaware County, OK, Grady County, OK, Haskell County, OK, Hughes County, OK, Latimer County, OK, LeFlore County, OK, Lincoln County, OK, Mayes County, OK, McClain County, OK, McIntosh County, OK, Muskogee County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Pittsburg County, OK, Pottawatomie County, OK, Rogers County, OK, Seminole County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK

The radar

The Norman radar (KTLX), 84 km from the middle of the area, began a volume at 19:38 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, 7.6 hours before the alert went out and 99 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 2004-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1765 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 2004-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 square meters per square second.19395878Sfc1 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
1765 J/kg
Mixed-layer CIN
-187 J/kg
Mixed-layer LCL
1084 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

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
Jun 2, 12:42 PM CDTMesoscale DiscussionSPCClay, Cleburne, Conway, Craighead, Faulkner, Greene and 20 more2 hr
Jun 2, 1:30 PM CDTSevere Thunderstorm WatchSPCBaxter, Benton, Boone, Carroll, Cleburne, Conway and 26 more5 hr
Jun 2, 4:49 PM CDTMesoscale DiscussionSPCClark, Cleveland, Conway, Dallas, Faulkner, Garland and 22 more56 min
Jun 2, 5:30 PM CDTSevere Thunderstorm WatchSPCCalhoun, Clark, Cleburne, Cleveland, Columbia, Conway and 37 more6 hr
Jun 2, 5:45 PM CDTSevere Thunderstorm WatchSPCCraighead, Crittenden, Cross, Lee, Mississippi, Phillips and 2 more5 hr
Jun 2, 9:35 AM CDTSevere Thunderstorm WatchSPCAlfalfa, Beaver, Grant, Harper, Woods5 hr
Jun 2, 11:50 AM CDTMesoscale DiscussionSPCAlfalfa, Blaine, Canadian, Cleveland, Creek, Dewey and 27 more85 min
Jun 2, 12:15 PM CDTSevere Thunderstorm WatchSPCAlfalfa, Blaine, Canadian, Cherokee, Craig, Creek and 25 more5 hr
Jun 2, 1:40 PM CDTMesoscale DiscussionSPCCimarron3 hr
Jun 2, 2:50 PM CDTSevere Thunderstorm WatchSPCAtoka, Bryan, Caddo, Carter, Choctaw, Cleveland and 23 more4 hr
Jun 2, 3:20 PM CDTTornado WatchSPCBeaver, Beckham, Cimarron, Ellis, Greer, Harper and 2 more7 hr

Nearby

Mesoscale Discussions in Oklahoma, 2004Mesoscale Discussions in Arkansas, 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.