Alert archive / Kansas / Mesoscale Discussions in 2014

Mesoscale Discussion 997

June 14, 20149 counties in Kansas; 8 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jun 14, 2014, 6:22 PM CDT for 9 counties in Kansas; 8 counties in Nebraska. It was in force for 83 min.

The area

The outline as issued.

The facts

Issued: Jun 14, 2014, 6:22 PM CDT (23:22 UTC)
Expired: Jun 14, 2014, 7:45 PM CDT
In force: 83 min
Issued by: the Storm Prediction Center
Chance of a watch: 95%

Counties Cheyenne County, KS, Decatur County, KS, Logan County, KS, Norton County, KS, Rawlins County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS, Dundy County, NE, Frontier County, NE, Furnas County, NE, Gosper County, NE, Hayes County, NE, Hitchcock County, NE, Phelps County, NE, Red Willow County, NE

The radar

The Goodland radar (KGLD), 85 km from the middle of the area, began a volume at 23:22 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.

Tornado Watch 295Jun 14, 6:40 PM CDT

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 11.4 hours before the alert went out and 189 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3768 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 74 m²/s²
0-3 km storm-relative helicity: 97 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 14, 1:57 PM CDT	Mesoscale Discussion	SPC	Phillips, Smith	2 hr
Jun 14, 3:06 PM CDT	Mesoscale Discussion	SPC	Cheyenne, Rawlins, Sherman, Thomas	114 min
Jun 14, 5:10 PM CDT	Tornado Watch	SPC	Cloud, Jewell, Mitchell, Osborne, Phillips, Republic and 2 more	7 hr
Jun 14, 6:40 PM CDT	Tornado Watch	SPC	Cheyenne, Decatur, Graham, Norton, Rawlins, Sheridan and 2 more	4 hr
Jun 13, 7:11 PM CDT	Mesoscale Discussion	SPC	Banner, Box Butte, Cheyenne, Dawes, Garden, Kimball and 4 more	2 hr
Jun 14, 3:29 PM CDT	Severe Thunderstorm Watch	SPC	Banner, Cheyenne, Kimball, Morrill	7 hr

Nearby

Mesoscale Discussions in Kansas, 2014 Mesoscale Discussions in Nebraska, 2014 Every 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.