Alert archive / Nebraska / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 555

July 4, 200411 counties in Kansas; 39 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at Jul 4, 2004, 7:25 PM CDT for 11 counties in Kansas; 39 counties in Nebraska. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jul 4, 2004, 7:25 PM CDT (00:25 UTC)
Expired
Jul 5, 2004, 2:00 AM CDT
In force
7 hr
Issued by
the Storm Prediction Center
All 50 counties

Cloud County, KS, Graham County, KS, Jewell County, KS, Mitchell County, KS, Norton County, KS, Osborne County, KS, Ottawa County, KS, Phillips County, KS, Republic County, KS, Rooks County, KS, Smith County, KS, Adams County, NE, Antelope County, NE, Boone County, NE, Buffalo County, NE, Cedar County, NE, Clay County, NE, Custer County, NE, Dawson County, NE, Fillmore County, NE, Franklin County, NE, Furnas County, NE, Garfield County, NE, Gosper County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Holt County, NE, Howard County, NE, Kearney County, NE, Knox County, NE, Loup County, NE, Madison County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Phelps County, NE, Pierce County, NE, Platte County, NE, Polk County, NE, Rock County, NE, Sherman County, NE, Stanton County, NE, Thayer County, NE, Valley County, NE, Wayne County, NE, Webster County, NE, Wheeler County, NE, York County, NE

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jul 4, 9:44 PM CDTSevere Thunderstorm WarningGIDFurnas, Gosper61 min
Jul 4, 10:01 PM CDTSevere Thunderstorm WarningGIDOsborne, Rooks59 min
Jul 4, 10:11 PM CDTSevere Thunderstorm WarningGLDGraham64 min
Jul 4, 10:27 PM CDTSevere Thunderstorm WarningGLDNorton48 min
Jul 4, 10:39 PM CDTSevere Thunderstorm WarningGIDJewell, Mitchell, Phillips, Smith81 min
Jul 4, 10:46 PM CDTFlash Flood WarningGLDDecatur, Graham, Norton, Sheridan3 hr
Jul 4, 10:56 PM CDTSevere Thunderstorm WarningTOPCloud, Dickinson, Ottawa64 min
Jul 4, 10:57 PM CDTSevere Thunderstorm WarningGIDOsborne, Rooks33 min
Jul 4, 11:14 PM CDTSevere Thunderstorm WarningGIDFranklin, Harlan, Webster61 min
Jul 4, 11:33 PM CDTSevere Thunderstorm WarningTOPRepublic27 min
Jul 4, 11:41 PM CDTSevere Thunderstorm WarningGIDNuckolls64 min
Jul 4, 11:41 PM CDTSevere Thunderstorm WarningGIDAdams, Clay, Kearney, Phelps79 min
Jul 4, 11:54 PM CDTSevere Thunderstorm WarningTOPClay, Cloud, Ottawa, Republic, Washington36 min
Jul 4, 11:55 PM CDTSevere Thunderstorm WarningGIDThayer65 min
Jul 5, 12:06 AM CDTSevere Thunderstorm WarningOAXBoone39 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.4 hours before the alert went out and 150 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, N. Platte/Lee Bi, NE at 00:00Z on 2004-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2129 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, N. Platte/Lee Bi, NE at 00:00Z on 2004-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.1939Sfc1 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
2129 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1890 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 4, 7:02 PM CDTMesoscale DiscussionSPCNorton, Phillips58 min
Jul 4, 7:12 PM CDTMesoscale DiscussionSPCBarber, Barton, Clark, Comanche, Edwards, Ellis and 15 more2 hr
Jul 4, 9:21 PM CDTMesoscale DiscussionSPCButler, Chase, Cowley, Dickinson, Elk, Ellsworth and 11 more54 min
Jul 4, 9:40 PM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Barber, Barton, Butler, Chase and 44 more6 hr
Jul 4, 10:45 PM CDTMesoscale DiscussionSPCCloud, Jewell, Mitchell, Phillips, Republic, Smith60 min
Jul 4, 11:05 PM CDTSevere Thunderstorm WatchSPCBrown, Clay, Jackson, Marshall, Nemaha, Pottawatomie and 3 more5 hr
Jul 4, 11:20 PM CDTMesoscale DiscussionSPCBarber, Barton, Butler, Chase, Clark, Comanche and 30 more55 min
Jul 5, 1:16 AM CDTMesoscale DiscussionSPCAtchison, Brown, Doniphan, Jackson, Marshall, Nemaha89 min
Jul 5, 2:00 AM CDTSevere Thunderstorm WatchSPCAtchison, Brown, Doniphan, Douglas, Jackson, Jefferson and 5 more5 hr
Jul 5, 2:06 AM CDTMesoscale DiscussionSPCAllen, Anderson, Barber, Butler, Chase, Chautauqua and 20 more114 min
Jul 5, 3:25 AM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 10 more6 hr
Jul 5, 4:45 AM CDTMesoscale DiscussionSPCJohnson, Miami, Wyandotte2 hr
Jul 5, 6:02 AM CDTMesoscale DiscussionSPCBourbon, Cherokee, Crawford, Labette, Montgomery, Neosho88 min
Jul 5, 12:40 PM CDTMesoscale DiscussionSPCCheyenne, Rawlins, Sherman, Thomas2 hr
Jul 5, 2:20 PM CDTSevere Thunderstorm WatchSPCCheyenne, Decatur, Gove, Logan, Rawlins, Sheridan and 3 more6 hr
Jul 5, 3:43 PM CDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Cherokee, Crawford, Labette and 5 more92 min
Jul 5, 4:21 PM CDTMesoscale DiscussionSPCAllen, Barber, Bourbon, Butler, Chautauqua, Cherokee and 20 more114 min
Jul 5, 4:36 PM CDTMesoscale DiscussionSPCClark, Finney, Ford, Grant, Gray, Hamilton and 7 more54 min
Jul 5, 4:40 PM CDTSevere Thunderstorm WatchSPCAllen, Barber, Bourbon, Butler, Chautauqua, Cherokee and 17 more5 hr
Jul 5, 5:45 PM CDTSevere Thunderstorm WatchSPCClark, Comanche, Edwards, Finney, Ford, Grant and 18 more6 hr
Jul 5, 5:52 PM CDTMesoscale DiscussionSPCCheyenne, Decatur, Graham, Logan, Norton, Rawlins and 4 more83 min

Nearby

Severe Thunderstorm Watches in Nebraska, 2004Severe Thunderstorm Watches in Kansas, 2004Every severe thunderstorm 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.