Alert archive / Kansas / Mesoscale Discussions in 2016

Mesoscale Discussion 1625

September 2, 201615 counties in Kansas; Dundy County, Hitchcock County, Nebraska

The Storm Prediction Center issued this mesoscale discussion at Sep 2, 2016, 7:28 PM CDT for 15 counties in Kansas; Dundy County, Hitchcock County, Nebraska. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Sep 2, 2016, 7:28 PM CDT (00:28 UTC)
Expired: Sep 2, 2016, 9:30 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 20%

Counties Cheyenne County, KS, Decatur County, KS, Finney County, KS, Gove County, KS, Greeley 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, Dundy County, NE, Hitchcock County, NE

The radar

The Goodland radar (KGLD), 61 km from the middle of the area, began a volume at 00:32 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, 0.5 hours before the alert went out and 203 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: 26 J/kg
Mixed-layer CIN: -66 J/kg
Mixed-layer LCL: 2607 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 64 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
Sep 3, 2:51 PM CDT	Mesoscale Discussion	SPC	Cheyenne, Decatur, Gove, Logan, Rawlins, Sheridan and 3 more	114 min
Sep 3, 6:31 PM CDT	Severe Thunderstorm Watch	SPC	Cheyenne, Decatur, Ellis, Gove, Graham, Logan and 9 more	7 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.