Alert archive / Nebraska / Mesoscale Discussions in 2008

Mesoscale Discussion 1563

June 25, 200823 counties in Nebraska; 17 counties in South Dakota

The Storm Prediction Center issued this mesoscale discussion at Jun 25, 2008, 11:18 PM CDT for 23 counties in Nebraska; 17 counties in South Dakota. It was in force for 87 min.

The area

The outline as issued.

The facts

Issued
Jun 25, 2008, 11:18 PM CDT (04:18 UTC)
Expired
Jun 26, 2008, 12:45 AM CDT
In force
87 min
Issued by
the Storm Prediction Center
All 40 counties

Antelope County, NE, Arthur County, NE, Blaine County, NE, Boone County, NE, Boyd County, NE, Brown County, NE, Cherry County, NE, Custer County, NE, Garden County, NE, Garfield County, NE, Grant County, NE, Greeley County, NE, Holt County, NE, Hooker County, NE, Keya Paha County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Rock County, NE, Sheridan County, NE, Thomas County, NE, Valley County, NE, Wheeler County, NE, Aurora County, SD, Bennett County, SD, Brule County, SD, Buffalo County, SD, Charles Mix County, SD, Davison County, SD, Douglas County, SD, Gregory County, SD, Jackson County, SD, Jerauld County, SD, Jones County, SD, Lyman County, SD, Mellette County, SD, Oglala Lakota County, SD, Sanborn County, SD, Todd County, SD, Tripp County, SD

The radar

The North Platte radar (KLNX), 138 km from the middle of the area, began a volume at 04:20 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

Rapid City, SD (KUNR), launched 00:00Z, 4.3 hours before the alert went out and 171 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, Rapid City, SD at 00:00Z on 2008-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 621 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, Rapid City, SD at 00:00Z on 2008-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 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
621 J/kg
Mixed-layer CIN
-300 J/kg
Mixed-layer LCL
1741 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
217 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
Jun 25, 7:06 PM CDTSevere Thunderstorm WatchSPCBurt, Cuming, Dodge, Douglas, Sarpy, Saunders and 2 more7 hr
Jun 25, 8:10 PM CDTMesoscale DiscussionSPCCherry, Grant, Sheridan95 min
Jun 25, 8:31 PM CDTSevere Thunderstorm WatchSPCBlaine, Boyd, Brown, Cherry, Garfield, Grant and 8 more7 hr
Jun 25, 10:18 PM CDTMesoscale DiscussionSPCBurt, Cass, Cuming, Dodge, Douglas, Lancaster and 4 more87 min
Jun 26, 3:48 AM CDTMesoscale DiscussionSPCAntelope, Blaine, Boone, Boyd, Brown, Burt and 38 more87 min
Jun 26, 6:38 AM CDTSevere Thunderstorm WatchSPCBurt, Cedar, Dakota, Dixon, Knox, Pierce and 2 more6 hr
Jun 26, 7:51 AM CDTMesoscale DiscussionSPCBoyd, Cedar, Dakota, Dixon, Holt, Keya Paha and 4 more84 min
Jun 26, 9:53 AM CDTMesoscale DiscussionSPCBurt, Cedar, Cuming, Dakota, Dixon, Knox and 5 more97 min
Jun 26, 12:05 PM CDTMesoscale DiscussionSPCBurt, Butler, Cass, Colfax, Cuming, Dakota and 14 more55 min
Jun 26, 3:48 PM CDTMesoscale DiscussionSPCArthur, Box Butte, Cherry, Dawes, Garden, Grant and 4 more87 min
Jun 26, 3:54 PM CDTMesoscale DiscussionSPCWebster96 min
Jun 26, 4:50 PM CDTSevere Thunderstorm WatchSPCFranklin, Gage, Harlan, Jefferson, Nuckolls, Pawnee and 3 more8 hr
Jun 26, 5:50 PM CDTMesoscale DiscussionSPCArthur, Blaine, Brown, Chase, Cherry, Custer and 16 more25 min
Jun 26, 6:04 PM CDTSevere Thunderstorm WatchSPCArthur, Blaine, Boyd, Brown, Buffalo, Chase and 31 more6 hr
Jun 26, 6:28 PM CDTMesoscale DiscussionSPCBrown, Butte, Campbell, Corson, Custer, Dewey and 17 more62 min

Nearby

Mesoscale Discussions in Nebraska, 2008Mesoscale Discussions in South Dakota, 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.