Alert archive / Nebraska / Tornado Watches in 2022

Tornado Watch 292

May 30, 20224 states

The Storm Prediction Center issued this tornado watch at May 30, 2022, 11:49 AM CDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: May 30, 2022, 11:49 AM CDT (16:49 UTC)
Expired: May 30, 2022, 6:00 PM CDT
In force: 6 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2.5 in
Strongest gust expected: 65 kt

All 51 counties

Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Dickinson County, IA, Ida County, IA, Lyon County, IA, Monona County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Antelope County, NE, Boone County, NE, Burt County, NE, Cedar County, NE, Colfax County, NE, Cuming County, NE, Dakota County, NE, Dixon County, NE, Dodge County, NE, Knox County, NE, Madison County, NE, Pierce County, NE, Platte County, NE, Stanton County, NE, Thurston County, NE, Wayne County, NE, Bon Homme County, SD, Brookings County, SD, Clay County, SD, Hanson County, SD, Hutchinson County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Turner County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 48 km from the middle of the area, began a volume at 16:49 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes: 80%
One or more EF2 to EF5 tornadoes: 50%
Ten or more severe wind reports: 70%
One or more gusts of 65 knots or more: 60%
Ten or more severe hail reports: 70%
One or more hailstones of 2 inches or more: 60%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
May 30, 12:00 PM CDT	Severe Thunderstorm Warning	OAX	Knox	30 min
May 30, 12:12 PM CDT	Severe Thunderstorm Warning	OAX	Antelope	33 min
May 30, 12:16 PM CDT	Severe Thunderstorm Warning	OAX	Antelope	16 min
May 30, 12:23 PM CDT	Severe Thunderstorm Warning	FSD	Kingsbury	7 min
May 30, 12:25 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Bon Homme, Charles Mix, Douglas, Hutchinson	50 min
May 30, 12:42 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Knox	48 min
May 30, 1:04 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Davison, Hanson, Hutchinson, McCook	41 min
May 30, 1:20 PM CDT	Tornado Warning	FSD	Lake, McCook, Miner	25 min
May 30, 1:48 PM CDT	Tornado Warning	FSD	Lake, McCook	27 min
May 30, 2:13 PM CDT	Tornado Warning	FSD	Lake, Minnehaha, Moody	47 min
May 30, 2:19 PM CDT	Tornado Warning	FSD	Brookings, Kingsbury, Lake	26 min
May 30, 2:44 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	31 min
May 30, 2:48 PM CDT	Tornado Warning	FSD	Lincoln	27 min
May 30, 3:06 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Rock	24 min
May 30, 3:14 PM CDT	Tornado Warning	FSD	Rock	31 min
May 30, 3:27 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Murray, Nobles, Pipestone, Rock	48 min
May 30, 3:44 PM CDT	Severe Thunderstorm Warning Considerable damage threat	FSD	Lincoln, Lyon, Murray, Pipestone	46 min
May 30, 4:08 PM CDT	Tornado Warning	FSD	Lyon	37 min
May 30, 4:11 PM CDT	Severe Thunderstorm Warning	FSD	Cottonwood, Murray	49 min
May 30, 4:15 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Dickinson, O'Brien, Osceola	30 min
May 30, 4:36 PM CDT	Severe Thunderstorm Warning	FSD	Dickinson	24 min
May 30, 4:44 PM CDT	Tornado Warning	FSD	Cottonwood, Jackson	31 min
May 30, 4:45 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Dickinson	15 min
May 30, 4:55 PM CDT	Severe Thunderstorm Warning	FSD	Dickinson	35 min
May 30, 5:45 PM CDT	Severe Thunderstorm Warning	FSD	Clay, Lincoln, Turner, Yankton	30 min
May 30, 5:51 PM CDT	Severe Thunderstorm Warning	FSD	Lake, Lincoln, McCook, Minnehaha, Turner	24 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 12:00Z, 4.8 hours before the alert went out and 218 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: 1569 J/kg
Mixed-layer CIN: -154 J/kg
Mixed-layer LCL: 897 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 211 m²/s²
0-3 km storm-relative helicity: 433 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 3.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 29, 11:25 PM CDT	Mesoscale Discussion	SPC	Lyon, Osceola, Sioux	95 min
May 30, 12:03 AM CDT	Severe Thunderstorm Watch	SPC	Buena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 9 more	8 hr
May 30, 2:21 AM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Dickinson, Emmet, Lyon and 5 more	84 min
May 30, 5:40 AM CDT	Mesoscale Discussion	SPC	Audubon, Buena Vista, Calhoun, Carroll, Cass, Cherokee and 20 more	95 min
May 30, 9:27 AM CDT	Mesoscale Discussion	SPC	Lyon, O'Brien, Osceola, Plymouth, Sioux	93 min
May 30, 11:28 AM CDT	Mesoscale Discussion	SPC	Lyon, Osceola, Plymouth, Sioux	92 min
May 30, 1:34 PM CDT	Mesoscale Discussion	SPC	Cherokee, Clay, Dickinson, Ida, Lyon, Monona and 5 more	86 min
May 30, 1:55 PM CDT	Mesoscale Discussion	SPC	Adams, Audubon, Cass, Crawford, Fremont, Harrison and 6 more	2 hr
May 30, 5:23 PM CDT	Tornado Watch	SPC	Adair, Adams, Audubon, Boone, Calhoun, Carroll and 36 more	5 hr
May 30, 6:51 PM CDT	Mesoscale Discussion	SPC	Dickinson, Osceola	54 min
May 29, 8:31 PM CDT	Mesoscale Discussion	SPC	Beltrami, Kittson, Koochiching, Lake of the Woods, Marshall, Pennington and 2 more	89 min
May 30, 2:03 AM CDT	Mesoscale Discussion	SPC	Aitkin, Becker, Cass, Clay, Clearwater, Crow Wing and 7 more	117 min
May 30, 2:46 AM CDT	Severe Thunderstorm Watch	SPC	Aitkin, Becker, Beltrami, Carlton, Cass, Clay and 14 more	5 hr
May 30, 4:58 AM CDT	Mesoscale Discussion	SPC	Aitkin, Becker, Beltrami, Benton, Carlton, Cass and 20 more	92 min
May 30, 12:55 PM CDT	Mesoscale Discussion	SPC	Benton, Chippewa, Isanti, Kanabec, Kandiyohi, McLeod and 9 more	65 min
May 30, 2:06 PM CDT	Mesoscale Discussion	SPC	Aitkin, Anoka, Benton, Big Stone, Blue Earth, Brown and 40 more	84 min
May 30, 2:37 PM CDT	Tornado Watch PDS	SPC	Aitkin, Anoka, Becker, Benton, Big Stone, Blue Earth and 51 more	7 hr
May 30, 4:54 PM CDT	Mesoscale Discussion	SPC	Benton, Brown, Cottonwood, Crow Wing, Douglas, Jackson and 13 more	96 min
May 29, 7:16 PM CDT	Tornado Watch	SPC	Adams, Antelope, Blaine, Boone, Boyd, Brown and 45 more	8 hr
May 29, 9:16 PM CDT	Mesoscale Discussion	SPC	Adams, Antelope, Blaine, Boone, Boyd, Brown and 43 more	89 min
May 30, 2:03 PM CDT	Mesoscale Discussion	SPC	Blaine, Brown, Cherry, Keya Paha, Loup, Rock	87 min

Nearby

Tornado Watches in Nebraska, 2022 Tornado Watches in South Dakota, 2022 Tornado Watches in Iowa, 2022 Every tornado watch in 2022

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.