Alert archive / Oklahoma / Mesoscale Discussions in 2006

Mesoscale Discussion 714

May 2, 200627 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at May 2, 2006, 12:50 AM CDT for 27 counties in Oklahoma. It was in force for 115 min.

The area

The outline as issued.

The facts

Issued
May 2, 2006, 12:50 AM CDT (05:50 UTC)
Expired
May 2, 2006, 2:45 AM CDT
In force
115 min
Issued by
the Storm Prediction Center
All 27 counties

Adair County, OK, Carter County, OK, Cherokee County, OK, Cleveland County, OK, Coal County, OK, Creek County, OK, Garvin County, OK, Grady County, OK, Haskell County, OK, Hughes County, OK, Latimer County, OK, LeFlore County, OK, Lincoln County, OK, McClain County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Seminole County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK

The radar

The Norman radar (KTLX), 91 km from the middle of the area, began a volume at 05:52 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, 5.8 hours before the alert went out and 100 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 2006-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 707 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 2006-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 137 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
707 J/kg
Mixed-layer CIN
-200 J/kg
Mixed-layer LCL
1567 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
137 m²/s²
0-3 km storm-relative helicity
525 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

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
May 1, 7:51 PM CDTMesoscale DiscussionSPCCarter, Cotton, Jefferson, Johnston, Love, Marshall and 3 more84 min
May 2, 1:02 AM CDTSevere Thunderstorm WatchSPCAdair, Atoka, Carter, Cherokee, Cleveland, Coal and 28 more9 hr
May 2, 1:55 AM CDTSevere Thunderstorm WatchSPCBryan, Cotton, Jefferson, Stephens8 hr
May 2, 3:52 AM CDTMesoscale DiscussionSPCAdair, Atoka, Bryan, Carter, Cherokee, Choctaw and 32 more113 min
May 2, 7:38 AM CDTMesoscale DiscussionSPCAtoka, Bryan, Carter, Choctaw, Coal, Cotton and 13 more97 min
May 2, 1:45 PM CDTMesoscale DiscussionSPCAtoka, Bryan, Carter, Choctaw, Coal, Garvin and 10 more90 min
May 2, 2:22 PM CDTMesoscale DiscussionSPCBeaver, Beckham, Custer, Dewey, Ellis, Greer and 6 more23 min
May 2, 2:39 PM CDTTornado WatchSPCBeckham, Ellis, Greer, Harmon, Jackson, Roger Mills8 hr
May 2, 5:26 PM CDTMesoscale DiscussionSPCBeckham, Blaine, Caddo, Comanche, Cotton, Custer and 10 more94 min
May 2, 5:42 PM CDTTornado WatchSPCAlfalfa, Blaine, Caddo, Comanche, Cotton, Custer and 8 more5 hr
May 2, 6:30 PM CDTMesoscale DiscussionSPCBeaver, Beckham, Blaine, Caddo, Carter, Comanche and 16 more90 min

Nearby

Mesoscale Discussions in Oklahoma, 2006Every mesoscale discussion in 2006

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.