Alert archive / Nebraska / Mesoscale Discussions in 2008

Mesoscale Discussion 1232

June 5, 200827 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jun 5, 2008, 3:09 PM CDT for 27 counties in Nebraska. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jun 5, 2008, 3:09 PM CDT (20:09 UTC)
Expired
Jun 5, 2008, 5:15 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
All 27 counties

Adams County, NE, Antelope County, NE, Blaine County, NE, Boone County, NE, Brown County, NE, Buffalo County, NE, Clay County, NE, Custer County, NE, Garfield County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Holt County, NE, Howard County, NE, Logan County, NE, Loup County, NE, Madison County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Polk County, NE, Rock County, NE, Sherman County, NE, Valley County, NE, Webster County, NE, Wheeler County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 122 km from the middle of the area, began a volume at 20:11 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

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.2 hours before the alert went out and 114 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, N. Platte/Lee Bi, NE at 12:00Z on 2008-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 277 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, N. Platte/Lee Bi, NE at 12:00Z on 2008-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -34 square meters per square second.1939587897117Sfc1 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
277 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
576 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
-34 m²/s²
0-3 km storm-relative helicity
155 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.1

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 4, 7:55 PM CDTMesoscale DiscussionSPCAdams, Buffalo, Butler, Cass, Chase, Clay and 38 more65 min
Jun 4, 8:49 PM CDTTornado WatchSPCAdams, Buffalo, Butler, Cass, Clay, Dawson and 34 more7 hr
Jun 4, 9:33 PM CDTMesoscale DiscussionSPCBurt, Washington87 min
Jun 4, 11:14 PM CDTMesoscale DiscussionSPCAdams, Buffalo, Butler, Cass, Clay, Dawson and 34 more2 hr
Jun 4, 11:56 PM CDTTornado WatchSPCBurt, Cuming, Dakota, Dixon, Dodge, Thurston and 1 more5 hr
Jun 5, 3:06 AM CDTMesoscale DiscussionSPCCass, Douglas, Gage, Johnson, Lancaster, Nemaha and 3 more84 min
Jun 5, 4:11 AM CDTMesoscale DiscussionSPCCass94 min
Jun 5, 5:07 AM CDTMesoscale DiscussionSPCBlaine, Boone, Buffalo, Chase, Custer, Dawson and 29 more2 hr
Jun 5, 5:33 AM CDTSevere Thunderstorm WatchSPCArthur, Chase, Custer, Dawson, Dundy, Frontier and 10 more6 hr
Jun 5, 7:23 AM CDTMesoscale DiscussionSPCChase, Custer, Dawson, Dundy, Frontier, Furnas and 8 more67 min
Jun 5, 10:11 AM CDTMesoscale DiscussionSPCAntelope, Blaine, Boone, Boyd, Brown, Cedar and 20 more94 min
Jun 5, 10:35 AM CDTMesoscale DiscussionSPCAdams, Buffalo, Butler, Cass, Clay, Douglas and 25 more85 min
Jun 5, 10:55 AM CDTTornado Watch PDSSPCAdams, Antelope, Blaine, Boone, Boyd, Brown and 65 more8 hr
Jun 5, 11:08 AM CDTMesoscale DiscussionSPCChase, Dundy, Hayes, Hitchcock, Perkins67 min
Jun 5, 12:44 PM CDTMesoscale DiscussionSPCAdams, Antelope, Blaine, Boone, Buffalo, Burt and 52 more91 min
Jun 5, 1:29 PM CDTSevere Thunderstorm WatchSPCDundy, Hitchcock, Red Willow6 hr
Jun 5, 4:38 PM CDTMesoscale DiscussionSPCRichardson37 min
Jun 5, 5:10 PM CDTMesoscale DiscussionSPCBurt, Cass, Cedar, Colfax, Cuming, Dakota and 10 more95 min
Jun 5, 5:50 PM CDTTornado Watch PDSSPCAdams, Antelope, Boone, Burt, Butler, Cass and 40 more7 hr
Jun 5, 6:22 PM CDTMesoscale DiscussionSPCNemaha, Pawnee, Richardson53 min

Nearby

Mesoscale Discussions in Nebraska, 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.