Alert archive / Nebraska / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 570

July 5, 200415 counties in Kansas; 49 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at Jul 5, 2004, 7:40 PM CDT for 15 counties in Kansas; 49 counties in Nebraska. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jul 5, 2004, 7:40 PM CDT (00:40 UTC)
Expired
Jul 6, 2004, 2:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 64 counties

Cloud County, KS, Decatur County, KS, Graham County, KS, Jewell County, KS, Lincoln County, KS, Mitchell County, KS, Norton County, KS, Osborne County, KS, Phillips County, KS, Rawlins County, KS, Republic County, KS, Rooks County, KS, Sheridan County, KS, Smith County, KS, Thomas County, KS, Adams County, NE, Antelope County, NE, Blaine County, NE, Boone County, NE, Buffalo County, NE, Butler County, NE, Clay County, NE, Colfax County, NE, Cuming County, NE, Custer County, NE, Dawson County, NE, Dodge County, NE, Fillmore County, NE, Franklin County, NE, Frontier County, NE, Furnas County, NE, Garfield County, NE, Gosper County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Hayes County, NE, Hitchcock County, NE, Howard County, NE, Kearney County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, Madison County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Phelps County, NE, Platte County, NE, Polk County, NE, Red Willow County, NE, Saline County, NE, Seward County, NE, Sherman County, NE, Stanton County, NE, Thayer County, NE, Thomas County, NE, Thurston County, NE, Valley County, NE, Wayne County, NE, Webster County, NE, Wheeler County, NE, York County, NE

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jul 5, 7:44 PM CDTSevere Thunderstorm WarningOAXBoone, Platte46 min
Jul 5, 7:45 PM CDTSevere Thunderstorm WarningGIDDawson60 min
Jul 5, 7:58 PM CDTSevere Thunderstorm WarningGLDRawlins62 min
Jul 5, 7:58 PM CDTFlash Flood WarningGIDDawson3 hr
Jul 5, 8:02 PM CDTSevere Thunderstorm WarningGIDGosper, Phelps58 min
Jul 5, 8:06 PM CDTTornado WarningLBFLoup, Rock24 min
Jul 5, 8:09 PM CDTSevere Thunderstorm WarningGIDSherman51 min
Jul 5, 8:11 PM CDTSevere Thunderstorm WarningGLDThomas64 min
Jul 5, 8:11 PM CDTSevere Thunderstorm WarningGIDFurnas64 min
Jul 5, 8:27 PM CDTSevere Thunderstorm WarningGLDSheridan33 min
Jul 5, 8:28 PM CDTTornado WarningGIDBuffalo62 min
Jul 5, 8:29 PM CDTSevere Thunderstorm WarningOAXBoone31 min
Jul 5, 8:32 PM CDTSevere Thunderstorm WarningGLDDecatur58 min
Jul 5, 8:39 PM CDTSevere Thunderstorm WarningGIDHarlan66 min
Jul 5, 8:40 PM CDTSevere Thunderstorm WarningGIDHall, Howard65 min
Jul 5, 8:41 PM CDTSevere Thunderstorm WarningGIDKearney64 min
Jul 5, 8:49 PM CDTSevere Thunderstorm WarningGIDNance56 min
Jul 5, 8:54 PM CDTSevere Thunderstorm WarningGIDAdams66 min
Jul 5, 8:58 PM CDTSevere Thunderstorm WarningGLDGraham, Sheridan62 min
Jul 5, 8:59 PM CDTTornado WarningGIDNance46 min
Jul 5, 9:03 PM CDTSevere Thunderstorm WarningGIDPhelps27 min
Jul 5, 9:20 PM CDTSevere Thunderstorm WarningGIDMerrick55 min
Jul 5, 9:22 PM CDTSevere Thunderstorm WarningGIDClay, Hamilton53 min
Jul 5, 9:33 PM CDTFlash Flood WarningGIDAdams, Kearney6 hr
Jul 5, 9:41 PM CDTSevere Thunderstorm WarningGIDFurnas64 min
Jul 5, 9:46 PM CDTFlash Flood WarningGIDClay6 hr
Jul 5, 9:58 PM CDTSevere Thunderstorm WarningGIDPhillips62 min
Jul 5, 10:00 PM CDTSevere Thunderstorm WarningGIDPhillips60 min
Jul 5, 11:45 PM CDTSevere Thunderstorm WarningICTEllsworth, Lincoln, Rice75 min
Jul 5, 11:56 PM CDTSevere Thunderstorm WarningGIDMitchell64 min
Jul 5, 11:57 PM CDTSevere Thunderstorm WarningTOPCloud63 min
Jul 6, 12:55 AM CDTFlash Flood WarningTOPCloud3 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.7 hours before the alert went out and 126 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 2004-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 432 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 2004-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
432 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
1990 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 5, 7:10 PM CDTMesoscale DiscussionSPCClay, Cloud, Dickinson, Geary, Graham, Jewell and 15 more65 min
Jul 5, 7:54 PM CDTMesoscale DiscussionSPCAllen, Barber, Bourbon, Butler, Chautauqua, Cherokee and 17 more96 min
Jul 5, 8:50 PM CDTMesoscale DiscussionSPCEllis, Finney, Gove, Graham, Greeley, Hamilton and 16 more55 min
Jul 5, 10:00 PM CDTSevere Thunderstorm WatchSPCAtchison, Barber, Brown, Butler, Chase, Chautauqua and 39 more6 hr
Jul 5, 11:31 PM CDTMesoscale DiscussionSPCBarber, Barton, Clark, Clay, Cloud, Comanche and 28 more59 min
Jul 5, 11:45 PM CDTSevere Thunderstorm WatchSPCBarber, Clark, Comanche, Grant, Harper, Haskell and 7 more4 hr
Jul 6, 1:16 AM CDTMesoscale DiscussionSPCAtchison, Barber, Brown, Butler, Chase, Chautauqua and 46 more119 min
Jul 6, 2:45 AM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Coffey, Douglas and 9 more2 hr
Jul 6, 3:10 AM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Atchison, Bourbon, Butler, Chase and 27 more5 hr
Jul 6, 5:18 AM CDTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Butler, Chase and 26 more117 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.