Alert archive / Nebraska / Tornado Watches in 2024

Tornado Watch 190

May 6, 20244 states

The Storm Prediction Center issued this tornado watch at May 6, 2024, 3:49 PM CDT for 4 states. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: May 6, 2024, 3:49 PM CDT (20:49 UTC)
Expired: May 7, 2024, 12:14 AM CDT
In force: 8 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2 in
Strongest gust expected: 65 kt

All 65 counties

Fremont County, IA, Harrison County, IA, Mills County, IA, Monona County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Shelby County, IA, Anderson County, KS, Atchison County, KS, Brown County, KS, Clay County, KS, Cloud County, KS, Coffey County, KS, Dickinson County, KS, Doniphan County, KS, Douglas County, KS, Franklin County, KS, Geary County, KS, Jackson County, KS, Jefferson County, KS, Lyon County, KS, Marshall County, KS, Morris County, KS, Nemaha County, KS, Osage County, KS, Ottawa County, KS, Pottawatomie County, KS, Republic County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Washington County, KS, Atchison County, MO, Holt County, MO, Antelope County, NE, Boone County, NE, Burt County, NE, Butler County, NE, Cass County, NE, Cedar County, NE, Colfax County, NE, Cuming County, NE, Dodge County, NE, Douglas County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Knox County, NE, Lancaster County, NE, Madison County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Pierce County, NE, Platte County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Stanton County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE

The radar

The Omaha radar (KOAX), 40 km from the middle of the area, began a volume at 20:49 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: 50%
One or more EF2 to EF5 tornadoes: 30%
Ten or more severe wind reports: 60%
One or more gusts of 65 knots or more: 60%
Ten or more severe hail reports: 60%
One or more hailstones of 2 inches or more: 60%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
May 6, 5:51 PM CDT	Severe Thunderstorm Warning	TOP	Ottawa	24 min
May 6, 5:55 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Colfax, Madison, Platte, Stanton	39 min
May 6, 5:57 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Seward	48 min
May 6, 5:59 PM CDT	Tornado Warning	TOP	Clay, Cloud, Washington	31 min
May 6, 6:27 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Dickinson, Ottawa, Riley, Washington	33 min
May 6, 6:32 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Dickinson	28 min
May 6, 6:44 PM CDT	Tornado Warning	TOP	Dickinson	19 min
May 6, 6:55 PM CDT	Severe Thunderstorm Warning	TOP	Clay, Dickinson, Geary, Marshall, Ottawa, Riley and 1 more	32 min
May 6, 6:56 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Dickinson, Geary, Morris	34 min
May 6, 7:11 PM CDT	Severe Thunderstorm Warning	OAX	Butler, Dodge, Saunders	34 min
May 6, 7:19 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Clay, Geary, Marshall, Morris, Pottawatomie, Riley and 2 more	26 min
May 6, 7:24 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Johnson, Nemaha, Otoe, Pawnee	51 min
May 6, 7:34 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Dickinson	26 min
May 6, 7:37 PM CDT	Tornado Warning	TOP	Pottawatomie, Riley	23 min
May 6, 7:42 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Geary, Marshall, Pottawatomie, Riley, Wabaunsee, Washington	33 min
May 6, 7:47 PM CDT	Tornado Warning	TOP	Dickinson	28 min
May 6, 7:47 PM CDT	Severe Thunderstorm Warning	OAX	Cass, Douglas, Johnson, Lancaster, Otoe, Sarpy and 1 more	43 min
May 6, 7:56 PM CDT	Severe Thunderstorm Warning	TOP	Cloud, Ottawa, Republic	34 min
May 6, 8:00 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TOP	Jackson, Marshall, Nemaha, Pottawatomie	30 min
May 6, 8:02 PM CDT	Tornado Warning	OAX	Cass, Sarpy	11 min
May 6, 8:03 PM CDT	Tornado Warning	TOP	Pottawatomie	27 min
May 6, 8:09 PM CDT	Tornado Warning	TOP	Clay, Dickinson, Geary, Riley	36 min
May 6, 8:16 PM CDT	Severe Thunderstorm Warning	OAX	Johnson, Nemaha, Otoe, Pawnee, Richardson	44 min
May 6, 8:18 PM CDT	Severe Thunderstorm Warning	OAX	Douglas, Sarpy, Saunders, Washington	42 min
May 6, 8:22 PM CDT	Severe Thunderstorm Warning	TOP	Brown, Jackson, Marshall, Nemaha, Pottawatomie	23 min
May 6, 8:22 PM CDT	Severe Thunderstorm Warning	TOP	Cloud, Ottawa, Washington	23 min
May 6, 8:22 PM CDT	Tornado Warning	OAX	Nemaha, Otoe	23 min
May 6, 8:27 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills, Pottawattamie	63 min
May 6, 8:32 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Page	43 min
May 6, 8:35 PM CDT	Severe Thunderstorm Warning Destructive damage threat	TOP	Clay, Geary, Pottawatomie, Riley	25 min
May 6, 8:42 PM CDT	Severe Thunderstorm Warning	OAX	Nemaha, Richardson	48 min
May 6, 8:43 PM CDT	Severe Thunderstorm Warning	OAX	Harrison, Pottawattamie	50 min
May 6, 8:43 PM CDT	Severe Thunderstorm Warning	TOP	Brown, Jackson, Nemaha, Pottawatomie	47 min
May 6, 8:44 PM CDT	Severe Thunderstorm Warning	EAX	Atchison, Holt	76 min
May 6, 8:51 PM CDT	Tornado Warning	OAX	Mills, Pottawattamie	24 min
May 6, 8:55 PM CDT	Severe Thunderstorm Warning Destructive damage threat	TOP	Pottawatomie, Riley	35 min
May 6, 9:08 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OAX	Montgomery, Pottawattamie, Shelby	50 min
May 6, 9:12 PM CDT	Tornado Warning	OAX	Pottawattamie, Shelby	18 min
May 6, 9:16 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Montgomery, Page	44 min
May 6, 9:18 PM CDT	Severe Thunderstorm Warning	TOP	Marshall, Nemaha, Pottawatomie	27 min
May 6, 9:24 PM CDT	Severe Thunderstorm Warning	TOP	Anderson, Coffey, Franklin, Osage	36 min
May 6, 9:24 PM CDT	Severe Thunderstorm Warning	OAX	Nemaha, Richardson	51 min
May 6, 9:25 PM CDT	Tornado Warning	OAX	Shelby	35 min
May 6, 9:51 PM CDT	Severe Thunderstorm Warning	TOP	Anderson, Douglas, Franklin	54 min
May 6, 10:02 PM CDT	Severe Thunderstorm Warning	TOP	Nemaha	17 min
May 6, 10:03 PM CDT	Flash Flood Warning	OAX	Nemaha, Richardson	6 hr
May 6, 10:16 PM CDT	Flash Flood Warning	EAX	Atchison	6 hr
May 6, 11:11 PM CDT	Flash Flood Warning	EAX	Atchison, Nodaway	6 hr
May 6, 11:27 PM CDT	Flash Flood Warning	OAX	Fremont, Page	4 hr

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, 8.8 hours before the alert went out and 40 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 580 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 69 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 6, 3:07 PM CDT	Mesoscale Discussion	SPC	Fremont	113 min
May 6, 6:18 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Buena Vista, Calhoun, Carroll and 13 more	117 min
May 6, 7:12 AM CDT	Mesoscale Discussion	SPC	Cowley, Harper, Kingman, Sumner	63 min
May 6, 10:57 AM CDT	Mesoscale Discussion	SPC	Barton, Decatur, Ellis, Ellsworth, Graham, Jewell and 12 more	2 hr
May 6, 11:34 AM CDT	Tornado Watch	SPC	Barton, Ellis, Ellsworth, Graham, Jewell, Lincoln and 10 more	7 hr
May 6, 11:47 AM CDT	Mesoscale Discussion	SPC	Barber, Clark, Comanche, Edwards, Ford, Harper and 11 more	118 min
May 6, 1:58 PM CDT	Mesoscale Discussion	SPC	Barton, Ellis, Ellsworth, Jewell, Lincoln, Mitchell and 9 more	92 min
May 6, 2:05 PM CDT	Tornado Watch PDS	SPC	Allen, Barber, Butler, Chase, Chautauqua, Clark and 26 more	12 hr
May 6, 2:45 PM CDT	Mesoscale Discussion	SPC	Barber, Comanche, Edwards, Harper, Kingman, Kiowa and 5 more	60 min
May 6, 5:42 PM CDT	Mesoscale Discussion	SPC	Harper	93 min
May 6, 5:53 PM CDT	Mesoscale Discussion	SPC	Chase, Clay, Cloud, Dickinson, Ellsworth, Geary and 15 more	97 min
May 6, 11:07 AM CDT	Mesoscale Discussion	SPC	Cherry, Sheridan	113 min
May 6, 5:27 PM CDT	Mesoscale Discussion	SPC	Butler, Cass, Clay, Colfax, Dodge, Fillmore and 17 more	93 min
May 6, 12:18 PM CDT	Severe Thunderstorm Watch	SPC	Aurora, Bennett, Brule, Buffalo, Butte, Charles Mix and 24 more	8 hr
May 6, 2:00 PM CDT	Mesoscale Discussion	SPC	Butte, Haakon, Harding, Jackson, Meade, Perkins and 1 more	2 hr
May 6, 3:51 PM CDT	Mesoscale Discussion	SPC	Corson, Dewey, Haakon, Harding, Jones, Mellette and 6 more	114 min

Nearby

Tornado Watches in Nebraska, 2024 Tornado Watches in Kansas, 2024 Tornado Watches in Iowa, 2024 Every tornado watch in 2024

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.