Alert archive / Nebraska / Mesoscale Discussions in 2003

Mesoscale Discussion 1465

June 22, 20035 counties in Kansas; 25 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jun 22, 2003, 10:32 PM CDT for 5 counties in Kansas; 25 counties in Nebraska. It was in force for 88 min.

The area

The outline as issued.

The facts

Issued: Jun 22, 2003, 10:32 PM CDT (03:32 UTC)
Expired: Jun 23, 2003, 12:00 AM CDT
In force: 88 min
Issued by: the Storm Prediction Center

All 30 counties

Jewell County, KS, Phillips County, KS, Republic County, KS, Smith County, KS, Washington County, KS, Adams County, NE, Boone County, NE, Butler County, NE, Clay County, NE, Colfax County, NE, Fillmore County, NE, Franklin County, NE, Gage County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Howard County, NE, Jefferson County, NE, Lancaster County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Platte County, NE, Polk County, NE, Saline County, NE, Seward County, NE, Thayer County, NE, Webster County, NE, Wheeler County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 18 km from the middle of the area, began a volume at 03:32 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 watches that followed

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

Severe Thunderstorm Watch 565Jun 22, 11:20 PM CDT

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 3.5 hours before the alert went out and 190 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, 11:20 PM CDT	Severe Thunderstorm Watch	SPC	Atchison, Brown, Clay, Cloud, Doniphan, Jewell and 10 more	6 hr
Jun 23, 1:49 AM CDT	Mesoscale Discussion	SPC	Brown, Clay, Cloud, Doniphan, Jewell, Marshall and 8 more	116 min
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 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.