Alert archive / Kansas / Mesoscale Discussions in 2003

Mesoscale Discussion 1093

May 23, 200319 counties in Kansas; 18 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at May 23, 2003, 11:18 PM CDT for 19 counties in Kansas; 18 counties in Nebraska. It was in force for 117 min.

The area

The outline as issued.

The facts

Issued: May 23, 2003, 11:18 PM CDT (04:18 UTC)
Expired: May 24, 2003, 1:15 AM CDT
In force: 117 min
Issued by: the Storm Prediction Center

All 37 counties

Barton County, KS, Ellis County, KS, Ellsworth County, KS, Harvey County, KS, Jewell County, KS, Lincoln County, KS, Marion County, KS, McPherson County, KS, Mitchell County, KS, Norton County, KS, Osborne County, KS, Ottawa County, KS, Phillips County, KS, Reno County, KS, Rice County, KS, Rooks County, KS, Russell County, KS, Saline County, KS, Smith County, KS, Buffalo County, NE, Custer County, NE, Dawson County, NE, Franklin County, NE, Frontier County, NE, Furnas County, NE, Gosper County, NE, Harlan County, NE, Hayes County, NE, Kearney County, NE, Lincoln County, NE, Logan County, NE, McPherson County, NE, Phelps County, NE, Red Willow County, NE, Sherman County, NE, Thomas County, NE, Valley County, NE

The radar

The Grand Island radar (KUEX), 92 km from the middle of the area, began a volume at 04:22 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 watches that followed

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

Severe Thunderstorm Watch 424May 24, 12:25 AM CDT

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 4.3 hours before the alert went out and 207 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: 295 J/kg
Mixed-layer CIN: -109 J/kg
Mixed-layer LCL: 1088 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 173 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.4

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 24, 12:25 AM CDT	Severe Thunderstorm Watch	SPC	Barber, Barton, Clark, Comanche, Decatur, Edwards and 28 more	7 hr
May 24, 3:39 AM CDT	Mesoscale Discussion	SPC	Barber, Barton, Clark, Comanche, Edwards, Ellis and 19 more	2 hr
May 24, 3:05 PM CDT	Severe Thunderstorm Watch	SPC	Morton	6 hr
May 24, 3:43 PM CDT	Mesoscale Discussion	SPC	Cheyenne, Edwards, Finney, Ford, Gove, Gray and 16 more	92 min
May 24, 5:57 PM CDT	Mesoscale Discussion	SPC	Morton	93 min
May 23, 8:56 PM CDT	Mesoscale Discussion	SPC	Arthur, Blaine, Brown, Buffalo, Chase, Cherry and 20 more	94 min
May 23, 9:45 PM CDT	Severe Thunderstorm Watch	SPC	Buffalo, Custer, Dawson, Franklin, Frontier, Gosper and 10 more	5 hr
May 23, 10:27 PM CDT	Mesoscale Discussion	SPC	Cherry, Hooker, Thomas	33 min

Nearby

Mesoscale Discussions in Kansas, 2003 Mesoscale Discussions in Nebraska, 2003 Every mesoscale discussion in 2003

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.