Alert archive / Nebraska / Mesoscale Discussions in 2013

Mesoscale Discussion 1968

October 14, 20137 counties in Colorado; 5 counties in Kansas; 8 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Oct 14, 2013, 3:41 AM MDT for 7 counties in Colorado; 5 counties in Kansas; 8 counties in Nebraska. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Oct 14, 2013, 3:41 AM MDT (09:41 UTC)
Expired: Oct 14, 2013, 5:45 AM MDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 5%

Counties Bent County, CO, Cheyenne County, CO, Kiowa County, CO, Kit Carson County, CO, Phillips County, CO, Prowers County, CO, Yuma County, CO, Cheyenne County, KS, Greeley County, KS, Rawlins County, KS, Sherman County, KS, Wallace County, KS, Arthur County, NE, Chase County, NE, Dundy County, NE, Hayes County, NE, Hitchcock County, NE, Keith County, NE, McPherson County, NE, Perkins County, NE

The radar

The Goodland radar (KGLD), 57 km from the middle of the area, began a volume at 09:42 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

Denver, CO (KDEN), launched 00:00Z, 9.7 hours before the alert went out and 105 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: 67 J/kg
Mixed-layer CIN: -195 J/kg
Mixed-layer LCL: 1686 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 249 m²/s²
0-3 km storm-relative helicity: 276 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
Oct 14, 12:32 PM MDT	Mesoscale Discussion	SPC	Barton, Clark, Edwards, Ellis, Finney, Ford and 22 more	118 min
Oct 14, 12:49 PM MDT	Severe Thunderstorm Watch	SPC	Barber, Barton, Clark, Comanche, Decatur, Edwards and 26 more	6 hr
Oct 14, 3:48 PM MDT	Mesoscale Discussion	SPC	Barber, Barton, Clark, Comanche, Edwards, Ellis and 15 more	57 min

Nearby

Mesoscale Discussions in Nebraska, 2013 Mesoscale Discussions in Colorado, 2013 Mesoscale Discussions in Kansas, 2013 Every mesoscale discussion in 2013

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.