Alert archive / Nebraska / Mesoscale Discussions in 2007

Mesoscale Discussion 196

February 24, 20076 states

The Storm Prediction Center issued this mesoscale discussion at Feb 24, 2007, 12:34 PM MST for 6 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Feb 24, 2007, 12:34 PM MST (19:34 UTC)
Expired
Feb 24, 2007, 5:30 PM MST
In force
5 hr
Issued by
the Storm Prediction Center
All 117 counties

Kit Carson County, CO, Phillips County, CO, Sedgwick County, CO, Yuma County, CO, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Emmet County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Cheyenne County, KS, Decatur County, KS, Rawlins County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS, Blue Earth County, MN, Brown County, MN, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Martin County, MN, Murray County, MN, Nicollet County, MN, Nobles County, MN, Pipestone County, MN, Redwood County, MN, Renville County, MN, Rock County, MN, Watonwan County, MN, Antelope County, NE, Arthur County, NE, Blaine County, NE, Boone County, NE, Boyd County, NE, Brown County, NE, Buffalo County, NE, Cedar County, NE, Chase County, NE, Cherry County, NE, Custer County, NE, Dakota County, NE, Dawson County, NE, Deuel County, NE, Dixon County, NE, Dundy County, NE, Frontier County, NE, Garden County, NE, Garfield County, NE, Gosper County, NE, Grant County, NE, Greeley County, NE, Hayes County, NE, Hitchcock County, NE, Holt County, NE, Hooker County, NE, Howard County, NE, Keith County, NE, Keya Paha County, NE, Knox County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, Madison County, NE, McPherson County, NE, Perkins County, NE, Pierce County, NE, Red Willow County, NE, Rock County, NE, Sherman County, NE, Thomas County, NE, Valley County, NE, Wayne County, NE, Wheeler County, NE, Aurora County, SD, Beadle County, SD, Bon Homme County, SD, Brule County, SD, Buffalo County, SD, Charles Mix County, SD, Clay County, SD, Davison County, SD, Douglas County, SD, Edmunds County, SD, Faulk County, SD, Gregory County, SD, Hand County, SD, Hanson County, SD, Hughes County, SD, Hutchinson County, SD, Hyde County, SD, Jerauld County, SD, Jones County, SD, Lake County, SD, Lincoln County, SD, Lyman County, SD, McCook County, SD, McPherson County, SD, Mellette County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Potter County, SD, Sanborn County, SD, Spink County, SD, Stanley County, SD, Sully County, SD, Todd County, SD, Tripp County, SD, Turner County, SD, Union County, SD, Walworth County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 151 km from the middle of the area, began a volume at 19:35 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 nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 7.6 hours before the alert went out and 224 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, Aberdeen, SD at 12:00Z on 2007-02-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Aberdeen, SD at 12:00Z on 2007-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 154 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
539 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
154 m²/s²
0-3 km storm-relative helicity
177 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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
Feb 24, 5:49 AM MSTMesoscale DiscussionSPCKit Carson, Phillips, Sedgwick, Yuma4 hr
Feb 23, 6:59 PM MSTMesoscale DiscussionSPCAllamakee, Chickasaw, Clayton, Fayette, Howard, Winneshiek5 hr
Feb 23, 11:08 PM MSTMesoscale DiscussionSPCAllamakee4 hr
Feb 24, 6:25 AM MSTMesoscale DiscussionSPCBenton, Black Hawk, Bremer, Buchanan, Butler, Cedar and 39 more4 hr
Feb 24, 11:19 AM MSTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Boone, Bremer, Buchanan and 42 more5 hr
Feb 23, 5:15 PM MSTMesoscale DiscussionSPCClark, Comanche, Ford, Gray, Haskell, Kiowa and 2 more90 min
Feb 23, 5:45 PM MSTMesoscale DiscussionSPCBarton, Cloud, Edwards, Ellis, Ellsworth, Hodgeman and 18 more2 hr
Feb 23, 6:35 PM MSTMesoscale DiscussionSPCBarber, Harper, Kingman, Pratt, Sedgwick, Sumner85 min
Feb 23, 7:29 PM MSTTornado WatchSPCBarber, Barton, Clark, Comanche, Edwards, Ellis and 31 more7 hr
Feb 23, 9:31 PM MSTMesoscale DiscussionSPCCloud, Decatur, Graham, Jewell, Mitchell, Norton and 6 more119 min
Feb 23, 10:21 PM MSTMesoscale DiscussionSPCButler, Chase, Chautauqua, Clay, Cloud, Coffey and 30 more114 min
Feb 24, 8:40 AM MSTMesoscale DiscussionSPCBarton, Butler, Chase, Clay, Cloud, Cowley and 20 more2 hr
Feb 24, 10:15 AM MSTTornado WatchSPCAllen, Anderson, Barton, Butler, Chase, Chautauqua and 33 more6 hr
Feb 24, 1:33 PM MSTMesoscale DiscussionSPCAllen, Anderson, Clay, Coffey, Dickinson, Franklin and 9 more87 min

Nearby

Mesoscale Discussions in Nebraska, 2007Mesoscale Discussions in South Dakota, 2007Mesoscale Discussions in Minnesota, 2007Every mesoscale discussion in 2007

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.