Alert archive / Missouri / Mesoscale Discussions in 2008

Mesoscale Discussion 1127

May 31, 20084 states

The Storm Prediction Center issued this mesoscale discussion at May 31, 2008, 7:43 PM CDT for 4 states. It was in force for 32 min.

The area

The outline as issued.

The facts

Issued
May 31, 2008, 7:43 PM CDT (00:43 UTC)
Expired
May 31, 2008, 8:15 PM CDT
In force
32 min
Issued by
the Storm Prediction Center
All 27 counties

Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Johnson County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Searcy County, AR, Washington County, AR, Cherokee County, KS, Crawford County, KS, Barry County, MO, Barton County, MO, Christian County, MO, Dade County, MO, Douglas County, MO, Greene County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Ozark County, MO, Stone County, MO, Taney County, MO, Webster County, MO, Ottawa County, OK

The radar

The Springfield radar (KSGF), 78 km from the middle of the area, began a volume at 00:46 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 00:00Z, 0.7 hours before the alert went out and 45 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 00:00Z on 2008-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 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 00:00Z on 2008-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 85 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
16 J/kg
Mixed-layer CIN
-289 J/kg
Mixed-layer LCL
1712 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
85 m²/s²
0-3 km storm-relative helicity
330 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 31, 10:27 PM CDTMesoscale DiscussionSPCClay, Mississippi63 min
Jun 1, 2:34 AM CDTMesoscale DiscussionSPCBaxter, Benton, Boone, Carroll, Clay, Fulton and 6 more116 min
Jun 1, 6:17 AM CDTMesoscale DiscussionSPCBaxter, Benton, Boone, Carroll, Cleburne, Crawford and 14 more88 min
Jun 1, 7:58 AM CDTMesoscale DiscussionSPCBenton, Washington3 hr
Jun 1, 8:36 AM CDTSevere Thunderstorm WatchSPCBenton, Boone, Carroll, Crawford, Franklin, Johnson and 8 more6 hr
Jun 1, 10:18 AM CDTMesoscale DiscussionSPCConway, Crawford, Franklin, Garland, Johnson, Logan and 6 more57 min
Jun 1, 11:45 AM CDTSevere Thunderstorm WatchSPCArkansas, Baxter, Bradley, Calhoun, Clark, Cleburne and 32 more6 hr
Jun 1, 1:21 PM CDTMesoscale DiscussionSPCArkansas, Clark, Cleveland, Conway, Dallas, Desha and 22 more54 min
Jun 1, 3:04 PM CDTSevere Thunderstorm WatchSPCAshley, Chicot, Crittenden, Cross, Lee, Phillips and 1 more6 hr
May 31, 9:00 PM CDTTornado WatchSPCBourbon, Cherokee, Crawford4 hr
May 31, 11:22 PM CDTMesoscale DiscussionSPCChautauqua, Cherokee, Cowley, Crawford, Elk, Harper and 5 more53 min
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, 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, 6:28 PM CDTMesoscale DiscussionSPCAlfalfa, Blaine, Caddo, Canadian, Cleveland, Coal and 25 more92 min

Nearby

Mesoscale Discussions in Missouri, 2008Mesoscale Discussions in Arkansas, 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.