Alert archive / Kansas / Mesoscale Discussions in 2015

Mesoscale Discussion 1185

June 25, 2015Yuma County, Colorado; 7 counties in Kansas; 7 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jun 25, 2015, 8:23 PM MDT for Yuma County, Colorado; 7 counties in Kansas; 7 counties in Nebraska. It was in force for 67 min.

The area

The outline as issued.

The facts

Issued: Jun 25, 2015, 8:23 PM MDT (02:23 UTC)
Expired: Jun 25, 2015, 9:30 PM MDT
In force: 67 min
Issued by: the Storm Prediction Center

Counties Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Norton County, KS, Rawlins County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Chase County, NE, Dundy County, NE, Frontier County, NE, Furnas County, NE, Hayes County, NE, Hitchcock County, NE, Red Willow County, NE

The radar

The Goodland radar (KGLD), 87 km from the middle of the area, began a volume at 02:26 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.

Severe Thunderstorm Watch 357Jun 25, 8:50 PM MDT

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.4 hours before the alert went out and 133 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3 J/kg
Mixed-layer CIN: -240 J/kg
Mixed-layer LCL: 2047 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: -73 m²/s²
0-3 km storm-relative helicity: 319 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.

Issued	Product	Office	Counties	Lasted
Jun 25, 8:49 PM MDT	Severe Thunderstorm Watch	SPC	Cheyenne, Kit Carson, Yuma	5 hr
Jun 25, 9:30 PM MDT	Mesoscale Discussion	SPC	Adams, Arapahoe, Broomfield, Denver, Morgan, Weld	30 min
Jun 25, 10:48 PM MDT	Mesoscale Discussion	SPC	Baca, Cheyenne, Kiowa, Kit Carson, Prowers	87 min
Jun 25, 6:04 PM MDT	Mesoscale Discussion	SPC	Barton, Edwards, Ellsworth, Ford, Gray, Haskell and 12 more	86 min
Jun 25, 8:06 PM MDT	Mesoscale Discussion	SPC	Atchison, Brown, Clay, Cloud, Doniphan, Jackson and 10 more	84 min
Jun 25, 10:33 PM MDT	Mesoscale Discussion	SPC	Atchison, Brown, Doniphan, Douglas, Franklin, Geary and 12 more	87 min
Jun 26, 12:46 AM MDT	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Crawford, Douglas, Franklin and 5 more	59 min
Jun 26, 1:18 AM MDT	Severe Thunderstorm Watch	SPC	Bourbon, Linn, Miami	3 hr
Jun 26, 1:24 AM MDT	Mesoscale Discussion	SPC	Finney, Gove, Grant, Gray, Greeley, Hamilton and 10 more	96 min
Jun 26, 4:24 AM MDT	Mesoscale Discussion	SPC	Barber, Butler, Chase, Chautauqua, Cowley, Elk and 9 more	96 min

Nearby

Mesoscale Discussions in Kansas, 2015 Mesoscale Discussions in Nebraska, 2015 Mesoscale Discussions in Colorado, 2015 Every mesoscale discussion in 2015

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.