Alert archive / Nebraska / Mesoscale Discussions in 2007

Mesoscale Discussion 1122

June 12, 2007Cheyenne County, Kit Carson County, Yuma County, Colorado; 30 counties in Kansas; 31 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jun 12, 2007, 4:35 PM MDT for Cheyenne County, Kit Carson County, Yuma County, Colorado; 30 counties in Kansas; 31 counties in Nebraska. It was in force for 115 min.

The area

The outline as issued.

The facts

Issued
Jun 12, 2007, 4:35 PM MDT (22:35 UTC)
Expired
Jun 12, 2007, 6:30 PM MDT
In force
115 min
Issued by
the Storm Prediction Center
All 64 counties

Cheyenne County, CO, Kit Carson County, CO, Yuma County, CO, Barton County, KS, Cheyenne County, KS, Decatur County, KS, Ellis County, KS, Ellsworth County, KS, Gove County, KS, Graham County, KS, Greeley County, KS, Jewell County, KS, Lane County, KS, Lincoln County, KS, Logan County, KS, Mitchell County, KS, Ness County, KS, Norton County, KS, Osborne County, KS, Phillips County, KS, Rawlins County, KS, Rice County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Scott County, KS, Sheridan County, KS, Sherman County, KS, Smith County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Wichita County, KS, Adams County, NE, Blaine County, NE, Brown County, NE, Buffalo County, NE, Clay County, NE, Custer County, NE, Dawson County, NE, Dundy County, NE, Franklin County, NE, Frontier County, NE, Furnas County, NE, Garfield County, NE, Gosper County, NE, Greeley County, NE, Hall County, NE, Harlan County, NE, Hayes County, NE, Hitchcock County, NE, Howard County, NE, Kearney County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, Nuckolls County, NE, Phelps County, NE, Red Willow County, NE, Rock County, NE, Sherman County, NE, Thomas County, NE, Valley County, NE, Webster County, NE

The radar

The Goodland radar (KGLD), 132 km from the middle of the area, began a volume at 22:38 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 12:00Z, 10.6 hours before the alert went out and 106 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 2007-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 337 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 2007-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 64 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
337 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
778 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
64 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

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 11, 6:46 PM MDTMesoscale DiscussionSPCPhillips, Sedgwick89 min
Jun 11, 9:15 PM MDTMesoscale DiscussionSPCLogan, Phillips, Sedgwick60 min
Jun 12, 10:10 AM MDTMesoscale DiscussionSPCCheyenne, Kit Carson, Phillips, Sedgwick, Yuma2 hr
Jun 12, 11:17 AM MDTTornado WatchSPCCheyenne, Kit Carson, Phillips, Sedgwick, Yuma7 hr
Jun 12, 1:47 PM MDTMesoscale DiscussionSPCKit Carson, Phillips, Sedgwick, Yuma118 min
Jun 12, 2:52 PM MDTMesoscale DiscussionSPCArapahoe, Elbert, El Paso, Lincoln113 min

Nearby

Mesoscale Discussions in Nebraska, 2007Mesoscale Discussions in Kansas, 2007Mesoscale Discussions in Colorado, 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.