Alert archive / Nebraska / Mesoscale Discussions in 2006

Mesoscale Discussion 948

May 23, 20065 counties in Colorado; 6 counties in Kansas; 26 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at May 23, 2006, 1:05 AM MDT for 5 counties in Colorado; 6 counties in Kansas; 26 counties in Nebraska. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued
May 23, 2006, 1:05 AM MDT (07:05 UTC)
Expired
May 23, 2006, 2:30 AM MDT
In force
85 min
Issued by
the Storm Prediction Center
All 37 counties

Kit Carson County, CO, Logan County, CO, Phillips County, CO, Sedgwick County, CO, Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Rawlins County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS, Arthur County, NE, Blaine County, NE, Brown County, NE, Chase County, NE, Cherry County, NE, Cheyenne County, NE, Custer County, NE, Dawson County, NE, Deuel County, NE, Dundy County, NE, Frontier County, NE, Garden County, NE, Grant County, NE, Hayes County, NE, Hitchcock County, NE, Hooker County, NE, Keith County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Morrill County, NE, Perkins County, NE, Red Willow County, NE, Sheridan County, NE, Thomas County, NE

The radar

The North Platte radar (KLNX), 151 km from the middle of the area, began a volume at 07:05 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 7.1 hours before the alert went out and 89 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 00:00Z on 2006-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1414 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 00:00Z on 2006-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
1414 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
2415 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
138 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
May 22, 6:10 PM MDTMesoscale DiscussionSPCBent, Costilla, Crowley, Custer, Fremont, Huerfano and 3 more2 hr
May 22, 8:23 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Boulder, Broomfield, Cheyenne, Clear Creek and 19 more97 min
May 22, 8:37 PM MDTMesoscale DiscussionSPCBaca, Bent, Costilla, Crowley, Custer, Fremont and 8 more53 min
May 22, 9:08 PM MDTSevere Thunderstorm WatchSPCAdams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 17 more6 hr
May 22, 10:32 PM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Kiowa, Kit Carson, Phillips and 4 more88 min
May 23, 2:00 PM MDTMesoscale DiscussionSPCBarton, Cloud, Edwards, Ellis, Ellsworth, Gove and 22 more2 hr
May 23, 2:30 PM MDTSevere Thunderstorm WatchSPCClay, Cloud, Dickinson, Ellsworth, Geary, Jewell and 13 more5 hr
May 23, 11:12 AM MDTMesoscale DiscussionSPCAdams, Antelope, Boone, Boyd, Buffalo, Butler and 36 more93 min
May 23, 1:10 PM MDTTornado WatchSPCAntelope, Blaine, Boone, Boyd, Brown, Butler and 22 more7 hr
May 23, 4:40 PM MDTMesoscale DiscussionSPCAntelope, Boone, Butler, Cedar, Colfax, Cuming and 17 more2 hr
May 23, 5:40 PM MDTSevere Thunderstorm WatchSPCDakota, Dixon6 hr

Nearby

Mesoscale Discussions in Nebraska, 2006Mesoscale Discussions in Kansas, 2006Mesoscale Discussions in Colorado, 2006Every mesoscale discussion in 2006

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.