Alert archive / Kansas / Mesoscale Discussions in 2016

Mesoscale Discussion 550

May 7, 201617 counties in Kansas; 6 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at May 7, 2016, 6:37 PM CDT for 17 counties in Kansas; 6 counties in Nebraska. It was in force for 83 min.

The area

The outline as issued.

The facts

Issued: May 7, 2016, 6:37 PM CDT (23:37 UTC)
Expired: May 7, 2016, 8:00 PM CDT
In force: 83 min
Issued by: the Storm Prediction Center

All 23 counties

Cheyenne County, KS, Decatur County, KS, Finney County, KS, Gove County, KS, Grant County, KS, Greeley County, KS, Haskell County, KS, Kearny County, KS, Lane County, KS, Logan County, KS, Rawlins County, KS, Scott County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS, Wichita County, KS, Chase County, NE, Dundy County, NE, Frontier County, NE, Hayes County, NE, Hitchcock County, NE, Red Willow County, NE

The radar

The Goodland radar (KGLD), 38 km from the middle of the area, began a volume at 23:36 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 12:00Z, 11.6 hours before the alert went out and 176 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: 5 J/kg
Mixed-layer CIN: -219 J/kg
Mixed-layer LCL: 776 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: -38 m²/s²
0-3 km storm-relative helicity: 163 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

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
May 7, 12:29 PM CDT	Mesoscale Discussion	SPC	Cheyenne, Decatur, Finney, Gove, Graham, Grant and 16 more	91 min
May 7, 3:29 PM CDT	Severe Thunderstorm Watch	SPC	Cheyenne, Decatur, Finney, Gove, Graham, Grant and 18 more	9 hr
May 7, 5:04 PM CDT	Severe Thunderstorm Watch	SPC	Arthur, Banner, Cheyenne, Deuel, Garden, Keith and 4 more	5 hr

Nearby

Mesoscale Discussions in Kansas, 2016 Mesoscale Discussions in Nebraska, 2016 Every mesoscale discussion in 2016

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.