Alert archive / Missouri / Mesoscale Discussions in 2008

Mesoscale Discussion 1102

May 30, 200814 counties in Kansas; 21 counties in Missouri; 8 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at May 30, 2008, 7:39 PM CDT for 14 counties in Kansas; 21 counties in Missouri; 8 counties in Oklahoma. It was in force for 66 min.

The area

The outline as issued.

The facts

Issued
May 30, 2008, 7:39 PM CDT (00:39 UTC)
Expired
May 30, 2008, 8:45 PM CDT
In force
66 min
Issued by
the Storm Prediction Center
All 43 counties

Allen County, KS, Anderson County, KS, Bourbon County, KS, Chautauqua County, KS, Cherokee County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Labette County, KS, Linn County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Barton County, MO, Bates County, MO, Benton County, MO, Camden County, MO, Cedar County, MO, Cooper County, MO, Dade County, MO, Dallas County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jasper County, MO, Johnson County, MO, Lawrence County, MO, Miller County, MO, Morgan County, MO, Newton County, MO, Pettis County, MO, Polk County, MO, St. Clair County, MO, Vernon County, MO, Craig County, OK, Kay County, OK, Nowata County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Rogers County, OK, Washington County, OK

The radar

The Springfield radar (KSGF), 120 km from the middle of the area, began a volume at 00:42 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 113 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 2008-05-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1877 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 2008-05-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 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
1877 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
1278 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.2

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 30, 9:16 PM CDTMesoscale DiscussionSPCChautauqua, Cherokee, Crawford, Labette, Montgomery, Neosho29 min
May 31, 4:23 AM CDTMesoscale DiscussionSPCButler, Chautauqua, Cowley, Elk, Greenwood, Harper and 14 more3 hr
May 31, 4:52 AM CDTSevere Thunderstorm WatchSPCAllen, Barber, Barton, Bourbon, Butler, Chase and 27 more9 hr
May 31, 7:26 AM CDTMesoscale DiscussionSPCBarber, Butler, Chautauqua, Cherokee, Cowley, Crawford and 16 more2 hr
May 31, 10:01 AM CDTMesoscale DiscussionSPCChautauqua, Cherokee, Elk, Labette, Montgomery, Wilson59 min
May 31, 3:48 PM CDTMesoscale DiscussionSPCBarber, Comanche, Harper, Sumner117 min
May 31, 4:29 PM CDTMesoscale DiscussionSPCAnderson, Bourbon, Douglas, Franklin, Johnson, Leavenworth and 3 more91 min
May 31, 6:22 PM CDTTornado WatchSPCChautauqua, Cowley, Elk, Harper, Labette, Montgomery and 3 more7 hr
May 30, 9:58 PM CDTSevere Thunderstorm WatchSPCBarry, Benton, Camden, Cedar, Christian, Cole and 34 more5 hr
May 30, 11:35 PM CDTMesoscale DiscussionSPCBarry, Camden, Christian, Crawford, Dade, Dallas and 34 more55 min
May 31, 8:53 AM CDTSevere Thunderstorm WatchSPCBarry, Christian, Jasper, Lawrence, McDonald, Newton and 3 more5 hr

Nearby

Mesoscale Discussions in Missouri, 2008Mesoscale Discussions in Kansas, 2008Mesoscale Discussions in Oklahoma, 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.