Alert archive / Nebraska / Mesoscale Discussions in 2005

Mesoscale Discussion 1268

June 9, 20054 states

The Storm Prediction Center issued this mesoscale discussion at Jun 9, 2005, 7:42 PM CDT for 4 states. It was in force for 93 min.

The area

The outline as issued.

The facts

Issued
Jun 9, 2005, 7:42 PM CDT (00:42 UTC)
Expired
Jun 9, 2005, 9:15 PM CDT
In force
93 min
Issued by
the Storm Prediction Center
All 68 counties

Cass County, IA, Crawford County, IA, Fremont County, IA, Harrison County, IA, Ida County, IA, Mills County, IA, Monona County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Shelby County, IA, Brown County, KS, Clay County, KS, Cloud County, KS, Jewell County, KS, Lincoln County, KS, Marshall County, KS, Mitchell County, KS, Nemaha County, KS, Osborne County, KS, Ottawa County, KS, Republic County, KS, Russell County, KS, Smith County, KS, Washington County, KS, Atchison County, MO, Holt County, MO, Nodaway County, MO, Adams County, NE, Boone County, NE, Burt County, NE, Butler County, NE, Cass County, NE, Clay County, NE, Colfax County, NE, Cuming County, NE, Dodge County, NE, Douglas County, NE, Fillmore County, NE, Franklin County, NE, Gage County, NE, Hall County, NE, Hamilton County, NE, Howard County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Madison County, NE, Merrick County, NE, Nance County, NE, Nemaha County, NE, Nuckolls County, NE, Otoe County, NE, Pawnee County, NE, Platte County, NE, Polk County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Stanton County, NE, Thayer County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE, Webster County, NE, York County, NE

The radar

The Omaha radar (KOAX), 65 km from the middle of the area, began a volume at 00:43 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

Topeka, KS (KTOP), launched 00:00Z, 0.7 hours before the alert went out and 244 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, Topeka, KS at 00:00Z on 2005-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 766 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, Topeka, KS at 00:00Z on 2005-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 209 square meters per square second.1939Sfc1 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
766 J/kg
Mixed-layer CIN
-138 J/kg
Mixed-layer LCL
1408 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
209 m²/s²
0-3 km storm-relative helicity
251 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

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
Jun 9, 8:10 PM CDTSevere Thunderstorm WatchSPCFremont, Mills, Montgomery, Page, Pottawattamie4 hr
Jun 9, 8:45 PM CDTSevere Thunderstorm WatchSPCAudubon, Boone, Buena Vista, Calhoun, Carroll, Cherokee and 26 more4 hr
Jun 10, 12:34 AM CDTMesoscale DiscussionSPCAudubon, Calhoun, Carroll, Greene, Guthrie, Hancock and 6 more26 min
Jun 9, 9:27 PM CDTMesoscale DiscussionSPCBarber, Clark, Comanche, Edwards, Ford, Kingman and 4 more93 min
Jun 9, 9:41 PM CDTMesoscale DiscussionSPCAtchison, Brown, Clay, Cloud, Dickinson, Geary and 14 more2 hr
Jun 9, 10:25 PM CDTSevere Thunderstorm WatchSPCBarber, Clark, Comanche, Harper, Meade, Sumner6 hr
Jun 10, 11:30 AM CDTTornado WatchSPCClark, Comanche, Meade, Morton, Seward, Stevens7 hr
Jun 10, 2:25 PM CDTMesoscale DiscussionSPCClark, Comanche, Meade2 hr
Jun 10, 2:26 PM CDTMesoscale DiscussionSPCClark, Comanche, Meade2 hr
Jun 10, 6:07 PM CDTMesoscale DiscussionSPCChautauqua, Cherokee, Cowley, Crawford, Elk, Labette and 3 more113 min
Jun 10, 6:50 PM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Bourbon, Butler, Chase, Chautauqua and 18 more5 hr
Jun 10, 12:23 PM CDTMesoscale DiscussionSPCAudrain, Barton, Bates, Benton, Boone, Callaway and 52 more2 hr
Jun 9, 8:34 PM CDTMesoscale DiscussionSPCCheyenne, Deuel, Kimball116 min

Nearby

Mesoscale Discussions in Nebraska, 2005Mesoscale Discussions in Kansas, 2005Mesoscale Discussions in Iowa, 2005Every mesoscale discussion in 2005

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.