Alert archive / Nebraska / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 565

June 22, 20034 states

The Storm Prediction Center issued this severe thunderstorm watch at Jun 22, 2003, 11:20 PM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jun 22, 2003, 11:20 PM CDT (04:20 UTC)
Expired: Jun 23, 2003, 5:00 AM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 54 counties

Cass County, IA, Fremont County, IA, Mills County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Atchison County, KS, 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, Pottawatomie 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, Butler County, NE, Cass County, NE, Clay County, NE, Douglas 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, Phelps County, NE, Polk County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Thayer County, NE, Webster County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 68 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.

Warnings issued inside it

24 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Jun 22, 11:29 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Otoe	61 min
Jun 22, 11:43 PM CDT	Flash Flood Warning	GID	Jewell	6 hr
Jun 22, 11:48 PM CDT	Flash Flood Warning	GID	Nuckolls	6 hr
Jun 22, 11:57 PM CDT	Severe Thunderstorm Warning	GID	Jewell	63 min
Jun 23, 12:11 AM CDT	Severe Thunderstorm Warning	GID	Franklin, Harlan	64 min
Jun 23, 12:16 AM CDT	Severe Thunderstorm Warning	GID	Phillips	29 min
Jun 23, 12:31 AM CDT	Severe Thunderstorm Warning	GID	Webster	59 min
Jun 23, 12:35 AM CDT	Tornado Warning	GID	Phillips	25 min
Jun 23, 12:53 AM CDT	Severe Thunderstorm Warning	OAX	Gage	37 min
Jun 23, 12:55 AM CDT	Severe Thunderstorm Warning	GID	Jewell	65 min
Jun 23, 1:09 AM CDT	Tornado Warning	GID	Phillips	36 min
Jun 23, 1:15 AM CDT	Severe Thunderstorm Warning	GID	Webster	45 min
Jun 23, 1:18 AM CDT	Tornado Warning	GID	Smith	57 min
Jun 23, 1:20 AM CDT	Severe Thunderstorm Warning	GID	Franklin	55 min
Jun 23, 1:35 AM CDT	Flash Flood Warning	GID	Thayer	4 hr
Jun 23, 1:51 AM CDT	Severe Thunderstorm Warning	GID	Nuckolls	54 min
Jun 23, 1:56 AM CDT	Severe Thunderstorm Warning	GID	Jewell	64 min
Jun 23, 1:59 AM CDT	Severe Thunderstorm Warning	GID	Phelps	61 min
Jun 23, 2:27 AM CDT	Severe Thunderstorm Warning	GID	Kearney	63 min
Jun 23, 2:33 AM CDT	Flash Flood Warning	GID	Webster	6 hr
Jun 23, 2:45 AM CDT	Severe Thunderstorm Warning	GID	Adams	60 min
Jun 23, 3:02 AM CDT	Severe Thunderstorm Warning	GID	Phelps	43 min
Jun 23, 3:14 AM CDT	Severe Thunderstorm Warning	GID	Buffalo	61 min
Jun 23, 3:44 AM CDT	Severe Thunderstorm Warning	GID	Adams	31 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 4.3 hours before the alert went out and 148 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

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 23, 6:24 PM CDT	Mesoscale Discussion	SPC	Lyon, Osceola, Sioux	66 min
Jun 23, 6:45 PM CDT	Tornado Watch	SPC	Dickinson, Lyon, O'Brien, Osceola, Sioux	4 hr
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 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

Nearby

Severe Thunderstorm Watches in Nebraska, 2003 Severe Thunderstorm Watches in Kansas, 2003 Severe Thunderstorm Watches in Iowa, 2003 Every severe thunderstorm watch 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.