Alert archive / Nebraska / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 479

June 15, 200418 counties in Kansas; 36 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at Jun 15, 2004, 6:30 PM CDT for 18 counties in Kansas; 36 counties in Nebraska. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 15, 2004, 6:30 PM CDT (23:30 UTC)
Expired
Jun 16, 2004, 12:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 54 counties

Cheyenne County, KS, Decatur County, KS, Gove County, KS, Graham County, KS, Greeley County, KS, Logan County, KS, Norton County, KS, Osborne County, KS, Phillips County, KS, Rawlins County, KS, Rooks County, KS, Sheridan County, KS, Sherman County, KS, Smith County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Wichita County, KS, Adams County, NE, Arthur County, NE, Blaine County, NE, Brown County, NE, Buffalo County, NE, Chase County, NE, Custer County, NE, Dawson County, NE, Dundy County, NE, Franklin County, NE, Frontier County, NE, Furnas County, NE, Garfield County, NE, Gosper County, NE, Greeley County, NE, Hall County, NE, Harlan County, NE, Hayes County, NE, Hitchcock County, NE, Holt County, NE, Howard County, NE, Kearney County, NE, Keith County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Perkins County, NE, Phelps County, NE, Red Willow County, NE, Rock County, NE, Sherman County, NE, Thomas County, NE, Valley County, NE, Webster County, NE, Wheeler County, NE

The radar

The North Platte radar (KLNX), 141 km from the middle of the area, began a volume at 23:33 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

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

IssuedProductOfficeCountiesLasted
Jun 15, 7:06 PM CDTSevere Thunderstorm WarningLBFPerkins54 min
Jun 15, 7:14 PM CDTSevere Thunderstorm WarningLBFCuster61 min
Jun 15, 7:17 PM CDTSevere Thunderstorm WarningLBFLincoln58 min
Jun 15, 7:44 PM CDTSevere Thunderstorm WarningGLDGreeley61 min
Jun 15, 7:52 PM CDTSevere Thunderstorm WarningGLDWichita53 min
Jun 15, 8:01 PM CDTSevere Thunderstorm WarningLBFPerkins44 min
Jun 15, 8:06 PM CDTSevere Thunderstorm WarningGLDWallace54 min
Jun 15, 8:08 PM CDTTornado WarningGLDGreeley67 min
Jun 15, 8:08 PM CDTSevere Thunderstorm WarningLBFLoup37 min
Jun 15, 8:14 PM CDTSevere Thunderstorm WarningLBFLincoln46 min
Jun 15, 8:16 PM CDTSevere Thunderstorm WarningLBFCuster44 min
Jun 15, 8:29 PM CDTSevere Thunderstorm WarningLBFLogan46 min
Jun 15, 8:44 PM CDTSevere Thunderstorm WarningGLDWichita61 min
Jun 15, 8:45 PM CDTSevere Thunderstorm WarningGLDSherman45 min
Jun 15, 8:45 PM CDTSevere Thunderstorm WarningLBFKeith, Perkins60 min
Jun 15, 8:56 PM CDTSevere Thunderstorm WarningGLDWallace64 min
Jun 15, 8:59 PM CDTSevere Thunderstorm WarningGLDCheyenne31 min
Jun 15, 9:01 PM CDTSevere Thunderstorm WarningLBFLincoln44 min
Jun 15, 9:03 PM CDTFlash Flood WarningGLDGreeley3 hr
Jun 15, 9:03 PM CDTSevere Thunderstorm WarningLBFCuster57 min
Jun 15, 9:16 PM CDTSevere Thunderstorm WarningGLDThomas59 min
Jun 15, 9:19 PM CDTFlash Flood WarningGLDWallace3 hr
Jun 15, 9:19 PM CDTSevere Thunderstorm WarningLBFLogan41 min
Jun 15, 9:27 PM CDTSevere Thunderstorm WarningGLDLogan63 min
Jun 15, 9:30 PM CDTSevere Thunderstorm WarningGLDCheyenne, Sherman30 min
Jun 15, 9:38 PM CDTSevere Thunderstorm WarningLBFChase, Hayes52 min
Jun 15, 9:43 PM CDTSevere Thunderstorm WarningLBFLincoln62 min
Jun 15, 9:46 PM CDTSevere Thunderstorm WarningLBFKeith, Perkins59 min
Jun 15, 9:55 PM CDTSevere Thunderstorm WarningGLDRawlins35 min
Jun 15, 9:58 PM CDTSevere Thunderstorm WarningLBFCuster62 min
Jun 15, 10:05 PM CDTSevere Thunderstorm WarningGLDDecatur, Sheridan55 min
Jun 15, 10:12 PM CDTSevere Thunderstorm WarningGLDThomas33 min
Jun 15, 10:28 PM CDTSevere Thunderstorm WarningGLDRawlins32 min
Jun 15, 10:30 PM CDTSevere Thunderstorm WarningLBFFrontier60 min
Jun 15, 10:36 PM CDTSevere Thunderstorm WarningGLDGove54 min
Jun 15, 10:45 PM CDTSevere Thunderstorm WarningLBFLincoln45 min
Jun 15, 10:47 PM CDTSevere Thunderstorm WarningGLDGraham, Norton58 min
Jun 15, 10:59 PM CDTSevere Thunderstorm WarningLBFCuster61 min
Jun 15, 11:10 PM CDTSevere Thunderstorm WarningGLDRed Willow50 min
Jun 15, 11:11 PM CDTFlash Flood WarningGIDDawson6 hr
Jun 15, 11:15 PM CDTSevere Thunderstorm WarningGIDDawson60 min
Jun 15, 11:24 PM CDTFlash Flood WarningLBFLincoln6 hr
Jun 15, 11:30 PM CDTSevere Thunderstorm WarningGIDPhillips60 min
Jun 15, 11:37 PM CDTSevere Thunderstorm WarningGIDBuffalo53 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

Denver, CO (KDNR), launched 12:00Z, 11.5 hours before the alert went out and 239 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, Denver, CO at 12:00Z on 2004-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2004-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2740 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
81 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.

IssuedProductOfficeCountiesLasted
Jun 14, 8:21 PM CDTMesoscale DiscussionSPCAnderson, Atchison, Brown, Chase, Clay, Cloud and 33 more54 min
Jun 14, 9:52 PM CDTMesoscale DiscussionSPCAtchison, Brown, Clay, Cloud, Doniphan, Douglas and 13 more113 min
Jun 14, 10:32 PM CDTMesoscale DiscussionSPCBarber, Barton, Cheyenne, Clark, Comanche, Decatur and 40 more88 min
Jun 14, 11:00 PM CDTSevere Thunderstorm WatchSPCBarton, Decatur, Edwards, Ellis, Ellsworth, Finney and 33 more5 hr
Jun 14, 11:25 PM CDTSevere Thunderstorm WatchSPCAtchison, Brown, Clay, Dickinson, Doniphan, Douglas and 19 more5 hr
Jun 15, 2:00 AM CDTMesoscale DiscussionSPCBarton, Clay, Cloud, Dickinson, Edwards, Ellis and 21 more2 hr
Jun 15, 3:40 AM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Butler, Chase, Chautauqua, Coffey and 27 more5 hr
Jun 15, 4:50 AM CDTMesoscale DiscussionSPCBarton, Chase, Clay, Dickinson, Ellsworth, Geary and 15 more115 min
Jun 15, 7:07 AM CDTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Cherokee, Crawford, Franklin and 6 more83 min
Jun 15, 1:53 PM CDTMesoscale DiscussionSPCCheyenne, Greeley, Hamilton, Morton, Sherman, Stanton and 1 more2 hr
Jun 15, 1:17 PM CDTMesoscale DiscussionSPCBlaine, Boyd, Brown, Holt, Keya Paha, Rock and 1 more118 min
Jun 15, 3:35 PM CDTTornado WatchSPCCedar, Dakota, Dixon, Knox, Pierce, Wayne6 hr
Jun 15, 5:19 PM CDTMesoscale DiscussionSPCArthur, Blaine, Boyd, Brown, Custer, Garfield and 12 more116 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; radar from the NEXRAD Level II archive.