Alert archive / Kansas / Mesoscale Discussions in 2014

Mesoscale Discussion 956

June 11, 20146 counties in Colorado; 12 counties in Kansas; 5 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2014, 2:05 PM MDT for 6 counties in Colorado; 12 counties in Kansas; 5 counties in Nebraska. It was in force for 55 min.

The area

The outline as issued.

The facts

Issued
Jun 11, 2014, 2:05 PM MDT (20:05 UTC)
Expired
Jun 11, 2014, 3:00 PM MDT
In force
55 min
Issued by
the Storm Prediction Center
Chance of a watch
80%
All 23 counties

Cheyenne County, CO, Kiowa County, CO, Kit Carson County, CO, Phillips County, CO, Washington County, CO, Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Gove County, KS, Greeley County, KS, Hamilton County, KS, Logan County, KS, Rawlins County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS, Wichita County, KS, Chase County, NE, Dundy County, NE, Hayes County, NE, Hitchcock County, NE, Red Willow County, NE

The radar

The Goodland radar (KGLD), 50 km from the middle of the area, began a volume at 20:09 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

Denver, CO (KDEN), launched 12:00Z, 8.1 hours before the alert went out and 96 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, Denver, CO at 12:00Z on 2014-06-11Temperature 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 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2014-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 square meters per square second.193958Sfc1 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
3361 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
150 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 11, 2:37 PM MDTSevere Thunderstorm WatchSPCCheyenne, Kit Carson, Lincoln, Washington, Yuma7 hr
Jun 11, 3:02 PM MDTMesoscale DiscussionSPCBaca, Bent, Crowley, Kiowa, Las Animas, Otero and 1 more58 min
Jun 11, 4:03 PM MDTMesoscale DiscussionSPCBaca, Prowers57 min
Jun 11, 4:42 PM MDTSevere Thunderstorm WatchSPCClark, Ellis, Finney, Ford, Grant, Gray and 14 more6 hr

Nearby

Mesoscale Discussions in Kansas, 2014Mesoscale Discussions in Colorado, 2014Mesoscale Discussions in Nebraska, 2014Every mesoscale discussion in 2014

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.