Alert archive / Kansas / Mesoscale Discussions in 2010

Mesoscale Discussion 682

May 23, 201010 counties in Kansas; Cimarron County, Oklahoma

The Storm Prediction Center issued this mesoscale discussion at May 23, 2010, 11:33 PM CDT for 10 counties in Kansas; Cimarron County, Oklahoma. It was in force for 57 min.

The area

The outline as issued.

The facts

Issued: May 23, 2010, 11:33 PM CDT (04:33 UTC)
Expired: May 24, 2010, 12:30 AM CDT
In force: 57 min
Issued by: the Storm Prediction Center

Counties Grant County, KS, Hamilton County, KS, Kearny County, KS, Logan County, KS, Morton County, KS, Scott County, KS, Stanton County, KS, Stevens County, KS, Thomas County, KS, Wichita County, KS, Cimarron County, OK

The radar

The Dodge City radar (KDDC), 140 km from the middle of the area, began a volume at 04:33 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 210May 23, 11:55 PM CDT

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 4.6 hours before the alert went out and 146 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: 2794 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 1169 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 93 m²/s²
0-3 km storm-relative helicity: 125 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 3.2

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
May 23, 8:12 PM CDT	Mesoscale Discussion	SPC	Cheyenne, Decatur, Gove, Grant, Greeley, Hamilton and 11 more	93 min
May 23, 11:54 PM CDT	Severe Thunderstorm Watch	SPC	Cheyenne, Decatur, Gove, Graham, Greeley, Logan and 7 more	4 hr
May 24, 4:56 AM CDT	Mesoscale Discussion	SPC	Cheyenne, Finney, Grant, Gray, Greeley, Hamilton and 13 more	2 hr
May 24, 10:44 AM CDT	Mesoscale Discussion	SPC	Cheyenne, Greeley, Hamilton, Sherman, Wallace	91 min
May 24, 11:46 AM CDT	Tornado Watch	SPC	Cheyenne, Clark, Decatur, Finney, Ford, Gove and 25 more	10 hr
May 24, 3:47 PM CDT	Mesoscale Discussion	SPC	Cheyenne, Decatur, Finney, Ford, Gove, Gray and 13 more	88 min
May 24, 5:26 PM CDT	Mesoscale Discussion	SPC	Barber, Clark, Comanche, Edwards, Ford, Gray and 7 more	64 min
May 24, 6:03 PM CDT	Mesoscale Discussion	SPC	Jewell, Phillips, Smith	87 min

Nearby

Mesoscale Discussions in Kansas, 2010 Mesoscale Discussions in Oklahoma, 2010 Every mesoscale discussion in 2010

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.