Alert archive / Nebraska / Tornado Watches in 2004

Tornado Watch 323

May 29, 20044 states

The Storm Prediction Center issued this tornado watch at May 29, 2004, 3:05 PM CDT for 4 states. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
May 29, 2004, 3:05 PM CDT (20:05 UTC)
Expired
May 29, 2004, 10:00 PM CDT
In force
7 hr
Issued by
the Storm Prediction Center
All 91 counties

Carroll County, IA, Crawford County, IA, Fremont County, IA, Harrison County, IA, Mills County, IA, Monona County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Shelby County, IA, Brown County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Ellis County, KS, Ellsworth County, KS, Geary County, KS, Graham County, KS, Jackson County, KS, Jewell County, KS, Lincoln County, KS, Marshall County, KS, Mitchell County, KS, Morris County, KS, Nemaha County, KS, Osage County, KS, Osborne County, KS, Ottawa County, KS, Phillips County, KS, Pottawatomie County, KS, Republic County, KS, Riley County, KS, Rooks County, KS, Russell County, KS, Saline County, KS, Shawnee County, KS, Smith County, KS, Trego County, KS, Wabaunsee County, KS, Washington County, KS, Atchison County, MO, Adams County, NE, Antelope County, NE, Boone County, NE, Buffalo County, NE, Burt County, NE, Butler County, NE, Cass County, NE, Clay County, NE, Colfax County, NE, Cuming County, NE, Dodge County, NE, Douglas County, NE, Fillmore County, NE, Franklin County, NE, Gage County, NE, Garfield County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Howard County, NE, Jefferson County, NE, Johnson County, NE, Kearney County, NE, Lancaster 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, Platte County, NE, Polk County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Sherman County, NE, Stanton County, NE, Thayer County, NE, Thurston County, NE, Valley County, NE, Washington County, NE, Webster County, NE, Wheeler County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 46 km from the middle of the area, began a volume at 20:04 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

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

IssuedProductOfficeCountiesLasted
May 29, 4:08 PM CDTSevere Thunderstorm WarningGIDJewell, Mitchell62 min
May 29, 4:10 PM CDTSevere Thunderstorm WarningGIDJewell, Mitchell60 min
May 29, 4:18 PM CDTSevere Thunderstorm WarningGIDNuckolls, Thayer27 min
May 29, 4:36 PM CDTTornado WarningGIDMitchell24 min
May 29, 4:37 PM CDTSevere Thunderstorm WarningTOPRepublic38 min
May 29, 4:40 PM CDTSevere Thunderstorm WarningGIDNuckolls65 min
May 29, 4:44 PM CDTSevere Thunderstorm WarningGIDFillmore, Thayer61 min
May 29, 4:58 PM CDTTornado WarningGIDMitchell47 min
May 29, 4:59 PM CDTTornado WarningGIDFillmore, Thayer46 min
May 29, 5:06 PM CDTSevere Thunderstorm WarningLBFLoup54 min
May 29, 5:08 PM CDTSevere Thunderstorm WarningGIDJewell52 min
May 29, 5:08 PM CDTSevere Thunderstorm WarningOAXJefferson, Knox37 min
May 29, 5:20 PM CDTTornado WarningTOPCloud55 min
May 29, 5:24 PM CDTTornado WarningLBFLoup36 min
May 29, 5:33 PM CDTSevere Thunderstorm WarningOAXSaline42 min
May 29, 5:34 PM CDTSevere Thunderstorm WarningGIDYork56 min
May 29, 5:42 PM CDTTornado WarningGIDJewell63 min
May 29, 5:46 PM CDTSevere Thunderstorm WarningOAXJefferson29 min
May 29, 5:55 PM CDTTornado WarningLBFLogan, Loup35 min
May 29, 5:56 PM CDTTornado WarningTOPRepublic64 min
May 29, 5:56 PM CDTSevere Thunderstorm WarningGIDPolk64 min
May 29, 5:58 PM CDTSevere Thunderstorm WarningGIDClay62 min
May 29, 6:01 PM CDTTornado WarningGIDMitchell29 min
May 29, 6:04 PM CDTTornado WarningOAXJefferson41 min
May 29, 6:13 PM CDTTornado WarningTOPCloud, Republic17 min
May 29, 6:15 PM CDTSevere Thunderstorm WarningOAXSaline60 min
May 29, 6:16 PM CDTTornado WarningGIDHamilton, Merrick, Nance, Polk44 min
May 29, 6:18 PM CDTSevere Thunderstorm WarningOAXPlatte27 min
May 29, 6:32 PM CDTSevere Thunderstorm WarningLBFLoup58 min
May 29, 6:38 PM CDTSevere Thunderstorm WarningGIDSherman52 min
May 29, 6:42 PM CDTTornado WarningOAXGage48 min
May 29, 6:44 PM CDTTornado WarningOAXPlatte31 min
May 29, 6:45 PM CDTTornado WarningGIDSherman45 min
May 29, 6:47 PM CDTTornado WarningTOPRepublic58 min
May 29, 6:49 PM CDTTornado WarningGIDSherman41 min
May 29, 6:52 PM CDTTornado WarningOAXMadison38 min
May 29, 6:57 PM CDTFlash Flood WarningTOPRepublic3 hr
May 29, 6:57 PM CDTTornado WarningGIDNance33 min
May 29, 7:00 PM CDTSevere Thunderstorm WarningGIDThayer60 min
May 29, 7:08 PM CDTSevere Thunderstorm WarningOAXAntelope37 min
May 29, 7:13 PM CDTTornado WarningTOPMarshall62 min
May 29, 7:23 PM CDTTornado WarningGIDHoward, Sherman67 min
May 29, 7:26 PM CDTSevere Thunderstorm WarningOAXCuming, Stanton34 min
May 29, 7:32 PM CDTTornado WarningOAXGage, Pawnee28 min
May 29, 7:34 PM CDTFlash Flood WarningOAXGage, Jefferson6 hr
May 29, 7:39 PM CDTSevere Thunderstorm WarningGIDHall36 min
May 29, 7:39 PM CDTSevere Thunderstorm WarningOAXJefferson36 min
May 29, 7:43 PM CDTSevere Thunderstorm WarningOAXAntelope, Knox, Pierce32 min
May 29, 7:44 PM CDTTornado WarningTOPRepublic61 min
May 29, 7:55 PM CDTSevere Thunderstorm WarningOAXJohnson35 min
May 29, 8:01 PM CDTSevere Thunderstorm WarningOAXPawnee44 min
May 29, 8:03 PM CDTSevere Thunderstorm WarningGIDThayer57 min
May 29, 8:03 PM CDTFlash Flood WarningOAXAntelope, Knox6 hr
May 29, 8:13 PM CDTTornado WarningOAXPawnee47 min
May 29, 8:15 PM CDTTornado WarningTOPMarshall, Washington60 min
May 29, 8:15 PM CDTSevere Thunderstorm WarningOAXBoone30 min
May 29, 8:30 PM CDTTornado WarningOAXJefferson60 min
May 29, 8:34 PM CDTSevere Thunderstorm WarningOAXFremont41 min
May 29, 8:35 PM CDTSevere Thunderstorm WarningGIDBuffalo, Phelps55 min
May 29, 8:41 PM CDTFlash Flood WarningOAXBoone, Pierce6 hr
May 29, 8:43 PM CDTSevere Thunderstorm WarningGIDOsborne, Smith62 min
May 29, 8:43 PM CDTTornado WarningOAXGage47 min
May 29, 8:44 PM CDTSevere Thunderstorm WarningOAXPottawattamie46 min
May 29, 8:45 PM CDTSevere Thunderstorm WarningTOPRepublic30 min
May 29, 8:46 PM CDTSevere Thunderstorm WarningOAXMills, Montgomery, Page59 min
May 29, 8:46 PM CDTFlash Flood WarningGIDThayer6 hr
May 29, 8:47 PM CDTSevere Thunderstorm WarningGIDSherman58 min
May 29, 8:50 PM CDTSevere Thunderstorm WarningEAXAtchison70 min
May 29, 8:50 PM CDTSevere Thunderstorm WarningGIDKearney55 min
May 29, 8:52 PM CDTSevere Thunderstorm WarningOAXNemaha38 min
May 29, 8:56 PM CDTSevere Thunderstorm WarningGIDJewell, Mitchell64 min
May 29, 8:56 PM CDTFlash Flood WarningOAXJohnson, Pawnee6 hr
May 29, 8:59 PM CDTSevere Thunderstorm WarningGIDFranklin31 min
May 29, 8:59 PM CDTSevere Thunderstorm WarningOAXPawnee46 min
May 29, 9:02 PM CDTSevere Thunderstorm WarningGIDAdams, Hall, Howard58 min
May 29, 9:07 PM CDTFlash Flood WarningGIDGreeley, Howard, Sherman6 hr
May 29, 9:13 PM CDTSevere Thunderstorm WarningICTRussell62 min
May 29, 9:21 PM CDTSevere Thunderstorm WarningOAXStanton39 min
May 29, 9:23 PM CDTTornado WarningGIDAdams, Hall52 min
May 29, 9:32 PM CDTSevere Thunderstorm WarningOAXGage, Jefferson28 min
May 29, 9:33 PM CDTSevere Thunderstorm WarningGIDBuffalo57 min
May 29, 9:40 PM CDTSevere Thunderstorm WarningGIDClay, Hamilton, Merrick, Nance65 min
May 29, 9:41 PM CDTSevere Thunderstorm WarningGIDGreeley, Sherman, Valley64 min
May 29, 9:43 PM CDTSevere Thunderstorm WarningGIDOsborne32 min
May 29, 9:51 PM CDTSevere Thunderstorm WarningGIDHoward39 min
May 29, 9:53 PM CDTSevere Thunderstorm WarningGIDJewell, Mitchell67 min
May 29, 9:59 PM CDTFlash Flood WarningOAXNemaha6 hr
May 29, 9:59 PM CDTSevere Thunderstorm WarningOAXGage, Johnson, Pawnee46 min
May 29, 10:00 PM CDTSevere Thunderstorm WarningGIDFillmore, Polk, York60 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, 8.1 hours before the alert went out and 197 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-pSkew-T log-p diagram, Omaha, NE at 12:00Z on 2004-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1045 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 12:00Z on 2004-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 235 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1045 J/kg
Mixed-layer CIN
-319 J/kg
Mixed-layer LCL
1057 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
235 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 292002
SEL3  
SPC WW 292005
IAZ000-KSZ000-MOZ000-NEZ000-300300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 323
NWS STORM PREDICTION CENTER NORMAN OK
305 PM CDT SAT MAY 29 2004

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

       SOUTHWEST IOWA
       NORTH CENTRAL AND NORTHEAST KANSAS
       FAR NORTHWEST MISSOURI
       EAST AND CENTRAL NEBRASKA

EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 305 PM UNTIL
1000 PM CDT.

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

DESTRUCTIVE TORNADOES...LARGE HAIL TO 4 INCHES IN DIAMETER...
THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE
POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 120 STATUTE MILES EAST AND
WEST OF A LINE FROM 20 MILES NORTHEAST OF NORFOLK NEBRASKA TO 15
MILES SOUTHWEST OF SALINA KANSAS.

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 321...WW 322...

DISCUSSION...WARM SECTOR IS BECOMING EXTREMELY UNSTABLE AND WEAKLY
CAPPED ACROSS REGION.  SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP
RAPIDLY DURING THE NEXT HOUR OR SO NEAR THE DRY LINE AND TRIPLE
POINT OVER N-CENTRAL KS INTO CENTRAL NEB. OTHER ISOLATED DEVELOPMENT
MAY OCCUR WITHIN WARM SECTOR AS LARGE SCALE ASCENT INCREASES IN
ADVANCE OF WEAK MID LEVEL IMPULSE SHIFTING NEWD OUT OF KS.
COMBINATION OF SHEAR AND INSTABILITY WILL REMAIN FAVORABLE FOR
TORNADIC SUPERCELLS...WITH THE POTENTIAL FOR A FEW STRONG OR VIOLENT
TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 24030.


...EVANS

420,0944 383,0953 383,1000 420,0993

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 28, 7:31 PM CDTMesoscale DiscussionSPCCherokee, Crawford, Harrison, Ida, Lyon, Monona and 6 more89 min
May 28, 9:03 PM CDTMesoscale DiscussionSPCAudubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 24 more57 min
May 28, 9:50 PM CDTSevere Thunderstorm WatchSPCBuena Vista, Calhoun, Cherokee, Clay, Dickinson, Emmet and 15 more5 hr
May 28, 11:41 PM CDTMesoscale DiscussionSPCBuena Vista, Calhoun, Cherokee, Clay, Dickinson, Emmet and 16 more94 min
May 29, 12:42 PM CDTMesoscale DiscussionSPCAdair, Appanoose, Audubon, Boone, Buena Vista, Calhoun and 45 more93 min
May 29, 2:05 PM CDTTornado WatchSPCBuena Vista, Calhoun, Cherokee, Clay, Dickinson, Emmet and 13 more8 hr
May 29, 4:35 PM CDTTornado WatchSPCAdair, Adams, Boone, Cass, Clarke, Dallas and 15 more5 hr
May 29, 5:01 PM CDTMesoscale DiscussionSPCBuena Vista, Calhoun, Cherokee, Clay, Dickinson, Emmet and 13 more119 min
May 29, 1:02 PM CDTMesoscale DiscussionSPCClay, Cloud, Dickinson, Ellsworth, Graham, Jewell and 14 more118 min
May 29, 1:54 PM CDTMesoscale DiscussionSPCCheyenne, Decatur, Greeley, Logan, Rawlins, Sherman and 2 more3 hr
May 29, 2:55 PM CDTTornado WatchSPCBarber, Barton, Butler, Chase, Clark, Comanche and 20 more7 hr
May 29, 3:55 PM CDTSevere Thunderstorm WatchSPCCheyenne, Decatur, Gove, Greeley, Lane, Logan and 8 more6 hr
May 29, 4:57 PM CDTMesoscale DiscussionSPCBarber, Harper, Harvey, Kingman, Pratt, Reno and 3 more63 min
May 29, 5:16 PM CDTMesoscale DiscussionSPCCloud, Jewell, Mitchell, Republic, Washington59 min
May 29, 5:53 PM CDTMesoscale DiscussionSPCDecatur, Logan, Rawlins, Sheridan, Sherman, Thomas and 1 more67 min
May 29, 6:37 PM CDTMesoscale DiscussionSPCBuchanan, Caldwell, Carroll, Clay, Clinton, Daviess and 6 more53 min

Nearby

Tornado Watches in Nebraska, 2004Tornado Watches in Kansas, 2004Tornado Watches in Iowa, 2004Every tornado watch in 2004

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.