Alert archive / Nebraska / Mesoscale Discussions in 2019

Mesoscale Discussion 2154

November 26, 20197 counties in Colorado; 4 counties in Kansas; 9 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Nov 26, 2019, 1:34 AM MST for 7 counties in Colorado; 4 counties in Kansas; 9 counties in Nebraska. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Nov 26, 2019, 1:34 AM MST (08:34 UTC)
Expired: Nov 26, 2019, 6:30 AM MST
In force: 5 hr
Issued by: the Storm Prediction Center

Counties Kit Carson County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Yuma County, CO, Cheyenne County, KS, Rawlins County, KS, Sherman County, KS, Thomas County, KS, Banner County, NE, Chase County, NE, Cheyenne County, NE, Deuel County, NE, Dundy County, NE, Garden County, NE, Keith County, NE, Kimball County, NE, Perkins County, NE

The radar

The Goodland radar (KGLD), 127 km from the middle of the area, began a volume at 08:37 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 (KDNR), launched 00:00Z, 8.6 hours before the alert went out and 95 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: 798 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 392 m²/s²
0-3 km storm-relative helicity: 682 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 25, 7:42 PM MST	Mesoscale Discussion	SPC	Adams, Arapahoe, Boulder, Broomfield, Denver, Douglas and 4 more	6 hr
Nov 26, 9:58 AM MST	Mesoscale Discussion	SPC	Kit Carson, Phillips, Sedgwick, Washington, Yuma	6 hr
Nov 26, 4:23 PM MST	Mesoscale Discussion	SPC	Adams, Antelope, Boone, Buffalo, Burt, Butler and 28 more	6 hr

Nearby

Mesoscale Discussions in Nebraska, 2019 Mesoscale Discussions in Colorado, 2019 Mesoscale Discussions in Kansas, 2019 Every mesoscale discussion in 2019

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.