Alert archive / Nebraska / Tornado Watches in 2008

Tornado Watch 461

June 5, 20084 states

The Storm Prediction Center issued this tornado watch at Jun 5, 2008, 10:55 AM CDT for 4 states. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: Jun 5, 2008, 10:55 AM CDT (15:55 UTC)
Expired: Jun 5, 2008, 7:00 PM CDT
In force: 8 hr
Issued by: the Storm Prediction Center
Particularly dangerous situation: Yes
Largest hail expected: 3 in
Strongest gust expected: 70 kt

All 104 counties

Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Crawford County, IA, Dickinson County, IA, Fremont County, IA, Harrison County, IA, Ida County, IA, Lyon County, IA, Mills County, IA, Monona County, IA, Montgomery County, IA, O'Brien County, IA, Osceola County, IA, Page County, IA, Plymouth County, IA, Pottawattamie County, IA, Sac County, IA, Shelby County, IA, Sioux County, IA, Woodbury County, IA, Jewell County, KS, Mitchell County, KS, Osborne County, KS, Phillips County, KS, Rooks County, KS, Smith County, KS, Adams County, NE, Antelope County, NE, Blaine County, NE, Boone County, NE, Boyd County, NE, Brown County, NE, Buffalo County, NE, Burt County, NE, Butler County, NE, Cass County, NE, Cedar County, NE, Clay County, NE, Colfax County, NE, Cuming County, NE, Custer County, NE, Dakota County, NE, Dawson County, NE, Dixon County, NE, Dodge County, NE, Douglas County, NE, Fillmore County, NE, Franklin County, NE, Frontier County, NE, Furnas County, NE, Gage County, NE, Garfield County, NE, Gosper County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Hayes County, NE, Holt County, NE, Howard County, NE, Jefferson County, NE, Johnson County, NE, Kearney County, NE, Keya Paha County, NE, Knox County, NE, Lancaster County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, Madison County, NE, Merrick County, NE, Nance County, NE, Nemaha County, NE, Nuckolls County, NE, Otoe County, NE, Pawnee County, NE, Phelps County, NE, Pierce County, NE, Platte County, NE, Polk County, NE, Richardson County, NE, Rock County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Sherman County, NE, Stanton County, NE, Thayer County, NE, Thomas County, NE, Thurston County, NE, Valley County, NE, Washington County, NE, Wayne County, NE, Webster County, NE, Wheeler County, NE, York County, NE, Bon Homme County, SD, Clay County, SD, Lincoln County, SD, Turner County, SD, Union County, SD, Yankton County, SD

The radar

The Omaha radar (KOAX), 132 km from the middle of the area, began a volume at 15:56 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: 95%
One or more EF2 to EF5 tornadoes: 60%
Ten or more severe wind reports: 95%
One or more gusts of 65 knots or more: 60%
Ten or more severe hail reports: 95%
One or more hailstones of 2 inches or more: 70%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jun 5, 11:04 AM CDT	Severe Thunderstorm Warning	OAX	Antelope, Boone, Madison, Pierce	41 min
Jun 5, 11:10 AM CDT	Severe Thunderstorm Warning	FSD	Bon Homme, Charles Mix, Douglas, Hutchinson	35 min
Jun 5, 11:24 AM CDT	Severe Thunderstorm Warning	OAX	Cedar, Knox	36 min
Jun 5, 11:30 AM CDT	Severe Thunderstorm Warning	FSD	Clay, Yankton	30 min
Jun 5, 11:34 AM CDT	Severe Thunderstorm Warning	OAX	Cedar, Knox, Madison, Pierce, Wayne	41 min
Jun 5, 11:38 AM CDT	Severe Thunderstorm Warning	FSD	Bon Homme, Davison, Douglas, Hanson, Hutchinson	52 min
Jun 5, 11:44 AM CDT	Flash Flood Warning	FSD	Bon Homme, Davison, Hanson, Hutchinson, McCook, Turner and 1 more	5 hr
Jun 5, 12:07 PM CDT	Severe Thunderstorm Warning	OAX	Monona	15 min
Jun 5, 12:09 PM CDT	Severe Thunderstorm Warning	FSD	Woodbury	36 min
Jun 5, 12:11 PM CDT	Severe Thunderstorm Warning	OAX	Cedar	34 min
Jun 5, 12:14 PM CDT	Severe Thunderstorm Warning	LBF	Brown, Cherry, Keya Paha, Rock	61 min
Jun 5, 12:14 PM CDT	Severe Thunderstorm Warning	FSD	Hutchinson, McCook, Turner	31 min
Jun 5, 12:17 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Knox, Pierce, Wayne	28 min
Jun 5, 12:18 PM CDT	Flash Flood Warning	FSD	Lyon, Osceola, Plymouth, Sioux	6 hr
Jun 5, 12:26 PM CDT	Severe Thunderstorm Warning	FSD	Dixon	34 min
Jun 5, 12:31 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	29 min
Jun 5, 12:33 PM CDT	Severe Thunderstorm Warning	FSD	Plymouth	27 min
Jun 5, 12:39 PM CDT	Flash Flood Warning	FSD	Cherokee, Clay, Dickinson, Lyon, O'Brien, Osceola and 3 more	3 hr
Jun 5, 12:42 PM CDT	Severe Thunderstorm Warning	OAX	Cedar	23 min
Jun 5, 12:56 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	49 min
Jun 5, 12:57 PM CDT	Severe Thunderstorm Warning	FSD	Cherokee, O'Brien, Plymouth, Sioux	33 min
Jun 5, 12:59 PM CDT	Severe Thunderstorm Warning	FSD	Clay	31 min
Jun 5, 1:05 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	25 min
Jun 5, 1:17 PM CDT	Severe Thunderstorm Warning	FSD	Lyon, Osceola	43 min
Jun 5, 1:34 PM CDT	Severe Thunderstorm Warning	LBF	Chase, Hayes, Lincoln	23 min
Jun 5, 1:39 PM CDT	Severe Thunderstorm Warning	LBF	Blaine, Custer, Logan, Thomas	51 min
Jun 5, 1:48 PM CDT	Tornado Warning	LBF	Frontier, Hayes, Lincoln	27 min
Jun 5, 2:14 PM CDT	Tornado Warning	LBF	Frontier, Hayes, Lincoln	31 min
Jun 5, 2:29 PM CDT	Severe Thunderstorm Warning	LBF	Blaine, Brown	46 min
Jun 5, 2:34 PM CDT	Severe Thunderstorm Warning	FSD	Lyon	26 min
Jun 5, 2:38 PM CDT	Tornado Warning	LBF	Lincoln	37 min
Jun 5, 2:42 PM CDT	Severe Thunderstorm Warning	GID	Greeley, Howard, Sherman, Valley	40 min
Jun 5, 2:47 PM CDT	Severe Thunderstorm Warning	GID	Adams, Franklin, Kearney	24 min
Jun 5, 2:50 PM CDT	Severe Thunderstorm Warning	GID	Mitchell	25 min
Jun 5, 3:03 PM CDT	Tornado Warning	LBF	Lincoln	17 min
Jun 5, 3:06 PM CDT	Tornado Warning	LBF	Brown, Rock	39 min
Jun 5, 3:14 PM CDT	Severe Thunderstorm Warning	GID	Mitchell	16 min
Jun 5, 3:18 PM CDT	Severe Thunderstorm Warning	LBF	Custer, Lincoln, Logan	19 min
Jun 5, 3:39 PM CDT	Severe Thunderstorm Warning	LBF	Custer, Garfield, Loup	36 min
Jun 5, 3:40 PM CDT	Flash Flood Warning	FSD	Bon Homme, Charles Mix, Douglas, Gregory, Hutchinson	4 hr
Jun 5, 3:44 PM CDT	Tornado Warning	LBF	Holt, Rock	46 min
Jun 5, 3:47 PM CDT	Severe Thunderstorm Warning	GID	Furnas	43 min
Jun 5, 4:01 PM CDT	Tornado Warning	GID	Rooks	29 min
Jun 5, 4:13 PM CDT	Severe Thunderstorm Warning	LBF	Garfield, Holt	47 min
Jun 5, 4:17 PM CDT	Tornado Warning	LBF	Boyd, Holt, Keya Paha, Rock	28 min
Jun 5, 4:22 PM CDT	Severe Thunderstorm Warning	GID	Furnas, Gosper, Harlan, Phelps	38 min
Jun 5, 4:30 PM CDT	Tornado Warning	GID	Osborne, Phillips, Rooks, Smith	30 min
Jun 5, 4:31 PM CDT	Tornado Warning	LBF	Holt	44 min
Jun 5, 4:48 PM CDT	Severe Thunderstorm Warning	GID	Sherman, Valley	42 min
Jun 5, 4:49 PM CDT	Severe Thunderstorm Warning	LBF	Boyd, Holt	41 min
Jun 5, 4:55 PM CDT	Severe Thunderstorm Warning	GID	Smith	35 min
Jun 5, 5:03 PM CDT	Flash Flood Warning	LBF	Boyd, Garfield, Holt, Wheeler	3 hr
Jun 5, 5:08 PM CDT	Flash Flood Warning	LBF	Chase, Hayes, Lincoln, Perkins	3 hr
Jun 5, 5:12 PM CDT	Severe Thunderstorm Warning	OAX	Gage, Johnson, Pawnee	33 min
Jun 5, 5:15 PM CDT	Severe Thunderstorm Warning	LBF	Holt	45 min
Jun 5, 5:20 PM CDT	Severe Thunderstorm Warning	GID	Adams, Buffalo, Clay, Franklin, Hall, Hamilton and 4 more	40 min
Jun 5, 5:23 PM CDT	Tornado Warning	OAX	Gage, Johnson, Pawnee	52 min
Jun 5, 5:29 PM CDT	Severe Thunderstorm Warning	LBF	Boyd	46 min
Jun 5, 5:51 PM CDT	Severe Thunderstorm Warning	GID	Greeley, Howard	34 min
Jun 5, 5:57 PM CDT	Severe Thunderstorm Warning	OAX	Johnson, Nemaha, Otoe, Pawnee, Richardson	48 min
Jun 5, 6:01 PM CDT	Severe Thunderstorm Warning	GID	Adams, Clay, Fillmore, Greeley, Hall, Hamilton and 5 more	44 min
Jun 5, 6:08 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Knox	52 min
Jun 5, 6:15 PM CDT	Tornado Warning	OAX	Johnson, Nemaha, Pawnee	32 min
Jun 5, 6:16 PM CDT	Severe Thunderstorm Warning	LBF	Holt	29 min
Jun 5, 6:16 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Boone, Knox, Madison, Pierce	44 min
Jun 5, 6:21 PM CDT	Severe Thunderstorm Warning	OAX	Pawnee, Richardson	39 min
Jun 5, 6:24 PM CDT	Severe Thunderstorm Warning	OAX	Fremont, Mills	51 min
Jun 5, 6:34 PM CDT	Severe Thunderstorm Warning	OAX	Boone, Colfax, Madison, Pierce, Platte, Stanton	29 min
Jun 5, 6:37 PM CDT	Tornado Warning	OAX	Fremont	38 min
Jun 5, 6:39 PM CDT	Severe Thunderstorm Warning	OAX	Nemaha, Richardson	36 min
Jun 5, 6:49 PM CDT	Flash Flood Warning	FSD	Bon Homme, Yankton	50 min
Jun 5, 6:58 PM CDT	Severe Thunderstorm Warning	OAX	Richardson	47 min
Jun 5, 6:59 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Cedar, Knox, Madison, Pierce, Wayne	46 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, 3.9 hours before the alert went out and 132 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: 114 J/kg
Mixed-layer CIN: -451 J/kg
Mixed-layer LCL: 1354 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 138 m²/s²
0-3 km storm-relative helicity: 200 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000
WWUS20 KWNS 051556
SEL1  
SPC WW 051556
IAZ000-KSZ000-NEZ000-SDZ000-060000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 461
NWS STORM PREDICTION CENTER NORMAN OK
1055 AM CDT THU JUN 5 2008

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF 

       WESTERN IOWA
       NORTH CENTRAL KANSAS
       CENTRAL AND EASTERN NEBRASKA
       EXTREME SOUTHEAST SOUTH DAKOTA

EFFECTIVE THIS THURSDAY MORNING AND EVENING FROM 1055 AM UNTIL
700 PM CDT.

...THIS IS A PARTICULARLY DANGEROUS SITUATION...

DESTRUCTIVE TORNADOES...LARGE HAIL TO 3 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 115 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 20 MILES SOUTH SOUTHWEST OF
BROKEN BOW NEBRASKA TO 25 MILES EAST SOUTHEAST OF DENISON IOWA. 
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU1).

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.

OTHER WATCH INFORMATION...CONTINUE...WW 458...WW 459...WW 460...

DISCUSSION...SCATTERED TO NUMEROUS SEVERE THUNDERSTORMS ARE EXPECTED
TO DEVELOP THROUGH THE EARLY-MID AFTERNOON HOURS ACROSS PORTIONS OF
EASTERN NEB...SPREADING INTO WESTERN IA AND SOUTHEAST SD.  STRONG
LOW LEVEL VERTICAL SHEAR PROFILES...AMPLE MOISTURE/INSTABILITY...AND
PRESENCE OF MULTIPLE SURFACE BOUNDARIES WILL POSE A RISK OF
SUPERCELLS CAPABLE OF STRONG TORNADOES.  VERY LARGE HAIL AND
DAMAGING WINDS WILL ALSO BE A CONCERN.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24040.


...HART

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 4, 7:02 PM CDT	Tornado Watch	SPC	Clinton, Jackson, Scott	8 hr
Jun 4, 7:55 PM CDT	Mesoscale Discussion	SPC	Fremont, Mills, Montgomery, Page, Pottawattamie	65 min
Jun 4, 8:49 PM CDT	Tornado Watch	SPC	Fremont, Mills, Montgomery, Page, Pottawattamie	7 hr
Jun 4, 9:33 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 60 more	87 min
Jun 4, 11:14 PM CDT	Mesoscale Discussion	SPC	Fremont, Mills, Montgomery, Page, Pottawattamie, Taylor	2 hr
Jun 4, 11:56 PM CDT	Tornado Watch	SPC	Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 64 more	5 hr
Jun 5, 1:38 AM CDT	Mesoscale Discussion	SPC	Allamakee, Winneshiek	3 hr
Jun 5, 3:06 AM CDT	Mesoscale Discussion	SPC	Fremont, Mills, Montgomery, Page, Pottawattamie	84 min
Jun 5, 4:11 AM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Cass, Cedar, Clarke and 33 more	94 min
Jun 5, 4:59 AM CDT	Tornado Watch	SPC	Cedar, Clinton, Des Moines, Dubuque, Henry, Iowa and 10 more	6 hr
Jun 5, 6:46 AM CDT	Mesoscale Discussion	SPC	Cedar, Clinton, Jackson, Johnson, Muscatine, Scott	119 min
Jun 5, 10:11 AM CDT	Mesoscale Discussion	SPC	Cherokee, Lyon, O'Brien, Osceola, Plymouth, Sioux and 1 more	94 min
Jun 5, 10:35 AM CDT	Mesoscale Discussion	SPC	Fremont, Mills, Montgomery, Page, Pottawattamie	85 min
Jun 5, 2:01 PM CDT	Mesoscale Discussion	SPC	Dickinson, Emmet, Lyon, Osceola	59 min
Jun 5, 5:10 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 39 more	95 min
Jun 5, 5:29 PM CDT	Mesoscale Discussion	SPC	Lyon	91 min
Jun 5, 5:50 PM CDT	Tornado Watch PDS	SPC	Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 44 more	7 hr
Jun 5, 5:07 AM CDT	Mesoscale Discussion	SPC	Cheyenne, Decatur, Greeley, Hamilton, Logan, Rawlins and 4 more	2 hr
Jun 5, 5:33 AM CDT	Severe Thunderstorm Watch	SPC	Cheyenne, Decatur, Greeley, Hamilton, Logan, Morton and 7 more	6 hr
Jun 5, 7:23 AM CDT	Mesoscale Discussion	SPC	Cheyenne, Decatur, Greeley, Hamilton, Logan, Rawlins and 5 more	67 min
Jun 5, 11:08 AM CDT	Mesoscale Discussion	SPC	Cheyenne, Grant, Greeley, Hamilton, Kearny, Morton and 6 more	67 min
Jun 5, 11:13 AM CDT	Mesoscale Discussion	SPC	Barber, Barton, Clay, Cloud, Comanche, Dickinson and 27 more	92 min
Jun 5, 11:47 AM CDT	Tornado Watch PDS	SPC	Barber, Barton, Clay, Cloud, Comanche, Dickinson and 26 more	8 hr
Jun 5, 12:44 PM CDT	Mesoscale Discussion	SPC	Barber, Barton, Cloud, Comanche, Ellsworth, Harper and 18 more	91 min
Jun 5, 1:29 PM CDT	Severe Thunderstorm Watch	SPC	Cheyenne, Clark, Decatur, Finney, Ford, Gove and 25 more	6 hr
Jun 5, 3:27 PM CDT	Mesoscale Discussion	SPC	Barber, Clay, Cloud, Dickinson, Ellsworth, Geary and 14 more	93 min
Jun 5, 4:38 PM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Atchison, Bourbon, Brown, Butler and 30 more	37 min
Jun 5, 4:50 PM CDT	Tornado Watch PDS	SPC	Allen, Anderson, Atchison, Brown, Butler, Chase and 27 more	7 hr
Jun 5, 6:22 PM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Atchison, Brown, Butler, Chase and 33 more	53 min
Jun 5, 3:09 PM CDT	Mesoscale Discussion	SPC	Adams, Antelope, Blaine, Boone, Brown, Buffalo and 21 more	2 hr
Jun 5, 12:04 PM CDT	Severe Thunderstorm Watch	SPC	Aurora, Beadle, Brookings, Brule, Charles Mix, Davison and 12 more	6 hr

Nearby

Tornado Watches in Nebraska, 2008 Tornado Watches in Iowa, 2008 Tornado Watches in Kansas, 2008 Every tornado watch in 2008

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.