Alert archive / Nebraska / Mesoscale Discussions in 2003

Mesoscale Discussion 1467

June 23, 200314 counties in Kansas; Atchison County, Holt County, Missouri; 23 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jun 23, 2003, 1:49 AM CDT for 14 counties in Kansas; Atchison County, Holt County, Missouri; 23 counties in Nebraska. It was in force for 116 min.

The area

The outline as issued.

The facts

Issued: Jun 23, 2003, 1:49 AM CDT (06:49 UTC)
Expired: Jun 23, 2003, 3:45 AM CDT
In force: 116 min
Issued by: the Storm Prediction Center

All 39 counties

Brown County, KS, Clay County, KS, Cloud County, KS, Doniphan County, KS, Jewell County, KS, Marshall County, KS, Mitchell County, KS, Nemaha County, KS, Osborne County, KS, Phillips County, KS, Republic County, KS, Rooks County, KS, Smith County, KS, Washington County, KS, Atchison County, MO, Holt County, MO, Adams County, NE, Buffalo County, NE, Clay County, NE, Fillmore County, NE, Franklin County, NE, Gage County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Jefferson County, NE, Johnson County, NE, Kearney County, NE, Lancaster County, NE, Nemaha County, NE, Nuckolls County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE, Saline County, NE, Seward County, NE, Thayer County, NE, Webster County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 86 km from the middle of the area, began a volume at 06:52 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

Omaha, NE (KOAX), launched 00:00Z, 6.8 hours before the alert went out and 174 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: 2534 J/kg
Mixed-layer CIN: -65 J/kg
Mixed-layer LCL: 1045 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 100 m²/s²
0-3 km storm-relative helicity: 222 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 7.7

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
Jun 22, 8:30 PM CDT	Tornado Watch	SPC	Clay, Cloud, Jewell, Mitchell, Osborne, Republic and 3 more	5 hr
Jun 22, 10:32 PM CDT	Mesoscale Discussion	SPC	Jewell, Phillips, Republic, Smith, Washington	88 min
Jun 22, 11:20 PM CDT	Severe Thunderstorm Watch	SPC	Atchison, Brown, Clay, Cloud, Doniphan, Jewell and 10 more	6 hr
Jun 23, 5:51 PM CDT	Mesoscale Discussion	SPC	Finney, Gove, Grant, Gray, Greeley, Hamilton and 14 more	114 min
Jun 23, 6:00 PM CDT	Severe Thunderstorm Watch	SPC	Cheyenne, Decatur, Finney, Gove, Grant, Gray and 18 more	6 hr
Jun 23, 1:04 AM CDT	Mesoscale Discussion	SPC	Blaine, Boyd, Brown, Cedar, Cherry, Holt and 5 more	116 min
Jun 23, 3:13 AM CDT	Mesoscale Discussion	SPC	Antelope, Boone, Burt, Cedar, Colfax, Cuming and 17 more	2 hr
Jun 23, 1:42 PM CDT	Mesoscale Discussion	SPC	Antelope, Arthur, Blaine, Boone, Brown, Custer and 18 more	3 hr
Jun 23, 5:35 PM CDT	Tornado Watch	SPC	Antelope, Arthur, Blaine, Boone, Boyd, Brown and 37 more	5 hr
Jun 23, 6:45 PM CDT	Tornado Watch	SPC	Boyd	4 hr

Nearby

Mesoscale Discussions in Nebraska, 2003 Mesoscale Discussions in Kansas, 2003 Mesoscale Discussions in Missouri, 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.