Alert archive / Nebraska / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 172
The Storm Prediction Center issued this severe thunderstorm watch at May 9, 2004, 3:30 PM CDT for 13 counties in Kansas; 35 counties in Nebraska; Clay County, Union County, South Dakota. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 9, 2004, 3:30 PM CDT (20:30 UTC)
- Expired
- May 9, 2004, 9:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 50 counties
Decatur County, KS, Gove County, KS, Graham County, KS, Logan County, KS, Norton County, KS, Phillips County, KS, Rawlins County, KS, Rooks County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Adams County, NE, Antelope County, NE, Blaine County, NE, Boone County, NE, Boyd County, NE, Buffalo County, NE, Cedar County, NE, Custer County, NE, Dawson 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, Knox County, NE, Loup County, NE, Madison County, NE, Merrick County, NE, Nance County, NE, Phelps County, NE, Pierce County, NE, Red Willow County, NE, Rock County, NE, Sherman County, NE, Valley County, NE, Wayne County, NE, Wheeler County, NE, Clay County, SD, Union County, SD
The radar
The Grand Island radar (KUEX), 148 km from the middle of the area, began a volume at 20:30 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
26 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 5:33 PM CDT | Severe Thunderstorm Warning | LBF | Blaine, Loup | 42 min |
| May 9, 6:02 PM CDT | Severe Thunderstorm Warning | LBF | Holt, Rock | 58 min |
| May 9, 6:13 PM CDT | Severe Thunderstorm Warning | LBF | Blaine | 47 min |
| May 9, 6:29 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Union | 31 min |
| May 9, 6:56 PM CDT | Severe Thunderstorm Warning | FSD | Union | 34 min |
| May 9, 6:57 PM CDT | Severe Thunderstorm Warning | GLD | Wallace | 33 min |
| May 9, 7:07 PM CDT | Severe Thunderstorm Warning | LBF | Holt | 53 min |
| May 9, 7:10 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 20 min |
| May 9, 7:24 PM CDT | Severe Thunderstorm Warning | OAX | Knox | 66 min |
| May 9, 7:28 PM CDT | Severe Thunderstorm Warning | FSD | Union | 47 min |
| May 9, 7:31 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 14 min |
| May 9, 7:35 PM CDT | Tornado Warning | FSD | Clay, Union | 25 min |
| May 9, 7:49 PM CDT | Severe Thunderstorm Warning | OAX | Antelope | 56 min |
| May 9, 7:55 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 35 min |
| May 9, 7:57 PM CDT | Flash Flood Warning | FSD | Clay, Union | 63 min |
| May 9, 7:59 PM CDT | Severe Thunderstorm Warning | OAX | Cedar | 61 min |
| May 9, 8:02 PM CDT | Tornado Warning | OAX | Knox | 28 min |
| May 9, 8:13 PM CDT | Severe Thunderstorm Warning | FSD | Union | 32 min |
| May 9, 8:14 PM CDT | Severe Thunderstorm Warning | GLD | Wallace | 36 min |
| May 9, 8:14 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 46 min |
| May 9, 8:30 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 30 min |
| May 9, 8:31 PM CDT | Severe Thunderstorm Warning | OAX | Knox | 44 min |
| May 9, 8:33 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Union | 27 min |
| May 9, 8:34 PM CDT | Severe Thunderstorm Warning | FSD | Clay | 26 min |
| May 9, 8:46 PM CDT | Severe Thunderstorm Warning | FSD | Union | 29 min |
| May 9, 8:59 PM CDT | Severe Thunderstorm Warning | FSD | Clay, Lincoln, Union | 31 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 12:00Z, 8.5 hours before the alert went out and 102 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.
- Mixed-layer CAPE
- 639 J/kg
- Mixed-layer CIN
- -440 J/kg
- Mixed-layer LCL
- 1809 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 191 m²/s²
- 0-3 km storm-relative helicity
- 240 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 8:25 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Clay, Cloud, Ellis, Jewell, Lincoln and 10 more | 6 hr |
| May 8, 10:44 PM CDT | Mesoscale Discussion | SPC | Brown, Cloud, Jewell, Marshall, Mitchell, Nemaha and 5 more | 2 hr |
| May 9, 1:22 AM CDT | Mesoscale Discussion | SPC | Atchison, Barton, Brown, Clay, Cloud, Dickinson and 27 more | 23 min |
| May 9, 2:42 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Decatur, Greeley, Logan, Rawlins, Sherman and 3 more | 3 hr |
| May 9, 3:07 PM CDT | Mesoscale Discussion | SPC | Morton, Stevens | 2 hr |
| May 8, 7:54 PM CDT | Mesoscale Discussion | SPC | Butler, Cass, Clay, Dodge, Douglas, Fillmore and 20 more | 2 hr |
| May 8, 9:17 PM CDT | Mesoscale Discussion | SPC | Boyd | 88 min |
| May 9, 5:38 PM CDT | Mesoscale Discussion | SPC | Cedar | 2 hr |
| May 9, 6:12 PM CDT | Mesoscale Discussion | SPC | Adams, Antelope, Blaine, Boone, Buffalo, Butler and 37 more | 2 hr |
| May 8, 7:15 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Buffalo, Campbell, Corson, Dewey, Edmunds and 20 more | 6 hr |
| May 9, 2:00 PM CDT | Mesoscale Discussion | SPC | Aurora, Beadle, Brookings, Brown, Clark, Codington and 16 more | 3 hr |
| May 9, 2:30 PM CDT | Severe Thunderstorm Watch | SPC | Bon Homme, Brookings, Deuel, Douglas, Hanson, Hutchinson and 8 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Nebraska, 2004Severe Thunderstorm Watches in Kansas, 2004Severe Thunderstorm Watches in South Dakota, 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.