Alert archive / Oklahoma / Mesoscale Discussions in 2008

Mesoscale Discussion 1129

May 31, 200811 counties in Kansas; 22 counties in Missouri; 29 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at May 31, 2008, 11:22 PM CDT for 11 counties in Kansas; 22 counties in Missouri; 29 counties in Oklahoma. It was in force for 53 min.

The area

The outline as issued.

The facts

Issued
May 31, 2008, 11:22 PM CDT (04:22 UTC)
Expired
Jun 1, 2008, 12:15 AM CDT
In force
53 min
Issued by
the Storm Prediction Center
All 62 counties

Chautauqua County, KS, Cherokee County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Harper County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Sumner County, KS, Wilson County, KS, Barry County, MO, Barton County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Douglas County, MO, Greene County, MO, Howell County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Ozark County, MO, Polk County, MO, Pulaski County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Webster County, MO, Wright County, MO, Alfalfa County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Craig County, OK, Creek County, OK, Custer County, OK, Delaware County, OK, Dewey County, OK, Garfield County, OK, Grady County, OK, Grant County, OK, Kay County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, Mayes County, OK, Noble County, OK, Nowata County, OK, Oklahoma County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Payne County, OK, Rogers County, OK, Tulsa County, OK, Washington County, OK, Washita County, OK

The radar

The Tulsa radar (KINX), 42 km from the middle of the area, began a volume at 04:24 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

Lamont, OK (KLMN), launched 00:00Z, 4.4 hours before the alert went out and 137 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, Lamont, OK at 00:00Z on 2008-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4351 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, Lamont, OK at 00:00Z on 2008-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 162 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
4351 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
879 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
162 m²/s²
0-3 km storm-relative helicity
354 m²/s²
Significant tornado parameter
8.3
Supercell composite
36.3

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 31, 7:43 PM CDTMesoscale DiscussionSPCCherokee, Crawford32 min
May 31, 9:00 PM CDTTornado WatchSPCBourbon, Cherokee, Crawford4 hr
Jun 1, 1:04 AM CDTSevere Thunderstorm WatchSPCAllen, Bourbon, Butler, Chautauqua, Cherokee, Cowley and 14 more7 hr
Jun 1, 1:27 AM CDTMesoscale DiscussionSPCFinney, Grant, Gray, Greeley, Hamilton, Haskell and 7 more2 hr
Jun 1, 2:09 AM CDTSevere Thunderstorm WatchSPCFinney, Grant, Gray, Greeley, Hamilton, Haskell and 9 more3 hr
Jun 1, 2:34 AM CDTMesoscale DiscussionSPCAllen, Bourbon, Chautauqua, Cherokee, Cowley, Crawford and 7 more116 min
Jun 1, 4:58 AM CDTMesoscale DiscussionSPCBarber, Clark, Comanche, Edwards, Finney, Ford and 12 more2 hr
Jun 1, 5:18 AM CDTSevere Thunderstorm WatchSPCAllen, Barber, Barton, Butler, Chautauqua, Clark and 37 more5 hr
Jun 1, 7:26 AM CDTMesoscale DiscussionSPCBarber, Chautauqua, Comanche, Cowley, Elk, Harper and 7 more94 min
Jun 1, 7:58 AM CDTMesoscale DiscussionSPCChautauqua, Montgomery3 hr
May 31, 10:27 PM CDTMesoscale DiscussionSPCButler, Dunklin, Mississippi, New Madrid, Pemiscot, Scott and 1 more63 min
Jun 1, 6:17 AM CDTMesoscale DiscussionSPCOregon88 min
Jun 1, 8:36 AM CDTSevere Thunderstorm WatchSPCBarry, McDonald, Newton6 hr
Jun 1, 10:18 AM CDTMesoscale DiscussionSPCAdair, Cherokee, Haskell, McIntosh, Mayes, Muskogee and 5 more57 min
Jun 1, 6:28 PM CDTMesoscale DiscussionSPCAlfalfa, Blaine, Caddo, Canadian, Cleveland, Coal and 25 more92 min

Nearby

Mesoscale Discussions in Oklahoma, 2008Mesoscale Discussions in Missouri, 2008Mesoscale Discussions in Kansas, 2008Every mesoscale discussion in 2008

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.