Alert archive / Kansas / Mesoscale Discussions in 2016

Mesoscale Discussion 689

May 22, 201615 counties in Kansas; 4 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at May 22, 2016, 10:19 PM CDT for 15 counties in Kansas; 4 counties in Nebraska. It was in force for 86 min.

The area

The outline as issued.

The facts

Issued: May 22, 2016, 10:19 PM CDT (03:19 UTC)
Expired: May 22, 2016, 11:45 PM CDT
In force: 86 min
Issued by: the Storm Prediction Center

Counties Cheyenne County, KS, Decatur County, KS, Gove County, KS, Graham County, KS, Lane County, KS, Logan County, KS, Norton County, KS, Rawlins County, KS, Scott County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Wichita County, KS, Dundy County, NE, Furnas County, NE, Hitchcock County, NE, Red Willow County, NE

The radar

The Goodland radar (KGLD), 69 km from the middle of the area, began a volume at 03:22 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 nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 3.3 hours before the alert went out and 188 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: 2431 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 1498 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 136 m²/s²
0-3 km storm-relative helicity: 272 m²/s²
Significant tornado parameter: 1.3
Supercell composite: 18.2

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 22, 7:02 PM CDT	Mesoscale Discussion	SPC	Haskell, Meade, Seward, Stevens	118 min
May 22, 9:10 PM CDT	Mesoscale Discussion	SPC	Gray, Haskell, Meade, Seward	65 min
May 23, 2:18 PM CDT	Mesoscale Discussion	SPC	Clark, Comanche, Finney, Ford, Gray, Haskell and 4 more	117 min
May 23, 2:30 PM CDT	Mesoscale Discussion	SPC	Graham, Jewell, Mitchell, Norton, Osborne, Phillips and 3 more	2 hr
May 23, 3:37 PM CDT	Tornado Watch	SPC	Barber, Clark, Comanche, Edwards, Finney, Ford and 5 more	8 hr
May 23, 6:08 PM CDT	Mesoscale Discussion	SPC	Barber, Clark, Comanche, Edwards, Finney, Ford and 5 more	2 hr
May 22, 7:33 PM CDT	Mesoscale Discussion	SPC	Antelope, Boone, Boyd, Cedar, Garfield, Greeley and 8 more	87 min
May 22, 8:22 PM CDT	Severe Thunderstorm Watch	SPC	Antelope, Boyd, Garfield, Holt, Knox, Loup and 2 more	7 hr
May 22, 9:26 PM CDT	Mesoscale Discussion	SPC	Arthur, Blaine, Brown, Cherry, Custer, Dawson and 11 more	94 min
May 22, 9:59 PM CDT	Severe Thunderstorm Watch	SPC	Arthur, Blaine, Brown, Chase, Cherry, Custer and 11 more	5 hr
May 23, 1:13 AM CDT	Mesoscale Discussion	SPC	Adams, Antelope, Boone, Boyd, Buffalo, Cedar and 20 more	92 min
May 23, 1:58 PM CDT	Mesoscale Discussion	SPC	Burt, Cass, Cedar, Colfax, Cuming, Dakota and 9 more	92 min

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.