Alert archive / Nebraska / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 922
The Storm Prediction Center issued this severe thunderstorm watch at Sep 10, 2003, 7:55 PM CDT for 12 counties in Kansas; 45 counties in Nebraska. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 10, 2003, 7:55 PM CDT (00:55 UTC)
- Expired
- Sep 11, 2003, 1:00 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 57 counties
Cloud County, KS, Graham County, KS, Jewell County, KS, Lincoln 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, Burt County, NE, Butler County, NE, Cedar County, NE, Clay County, NE, Colfax County, NE, Cuming County, NE, Dakota County, NE, Dixon County, NE, Dodge County, NE, Fillmore County, NE, Franklin County, NE, Garfield County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Holt County, NE, Howard County, NE, Jefferson County, NE, Kearney County, NE, Knox 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, Saline County, NE, Saunders County, NE, Seward County, NE, Sherman County, NE, Stanton County, NE, Thayer County, NE, Thurston County, NE, Valley County, NE, Wayne County, NE, Webster County, NE, Wheeler County, NE, York County, NE
The radar
The Grand Island radar (KUEX), 22 km from the middle of the area, began a volume at 00:58 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
17 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 8:21 PM CDT | Tornado Warning | GID | Osborne | 39 min |
| Sep 10, 8:30 PM CDT | Flash Flood Warning | OAX | Saline, Seward | 6 hr |
| Sep 10, 8:32 PM CDT | Severe Thunderstorm Warning | GID | Mitchell | 43 min |
| Sep 10, 9:00 PM CDT | Severe Thunderstorm Warning | TOP | Cloud, Republic | 45 min |
| Sep 10, 9:02 PM CDT | Severe Thunderstorm Warning | ICT | Lincoln | 58 min |
| Sep 10, 9:15 PM CDT | Severe Thunderstorm Warning | GID | Mitchell | 60 min |
| Sep 10, 9:25 PM CDT | Flash Flood Warning | GID | Mitchell | 6 hr |
| Sep 10, 9:35 PM CDT | Severe Thunderstorm Warning | GID | Thayer | 55 min |
| Sep 10, 9:41 PM CDT | Severe Thunderstorm Warning | OAX | Jefferson | 34 min |
| Sep 10, 9:44 PM CDT | Severe Thunderstorm Warning | TOP | Cloud, Republic | 46 min |
| Sep 10, 10:03 PM CDT | Flash Flood Warning | ICT | Lincoln | 6 hr |
| Sep 10, 10:17 PM CDT | Flash Flood Warning | GID | Sherman | 3 hr |
| Sep 10, 10:33 PM CDT | Flash Flood Warning | TOP | Cloud, Republic, Washington | 3 hr |
| Sep 10, 10:45 PM CDT | Flash Flood Warning | GID | Fillmore, Thayer | 3 hr |
| Sep 10, 10:47 PM CDT | Flash Flood Warning | OAX | Jefferson | 6 hr |
| Sep 10, 11:03 PM CDT | Severe Thunderstorm Warning | GID | Mitchell | 42 min |
| Sep 10, 11:06 PM CDT | Flash Flood Warning | GID | Osborne | 6 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, 0.9 hours before the alert went out and 188 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
- 2303 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1417 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 4.3
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 10, 8:10 PM CDT | Severe Thunderstorm Watch | SPC | Barton, Clark, Comanche, Edwards, Ellis, Ford and 11 more | 5 hr |
| Sep 10, 11:05 PM CDT | Mesoscale Discussion | SPC | Cloud, Graham, Jewell, Mitchell, Norton, Osborne and 4 more | 115 min |
| Sep 10, 11:40 PM CDT | Mesoscale Discussion | SPC | Barton, Clark, Comanche, Edwards, Ellis, Ford and 9 more | 2 hr |
| Sep 11, 2:15 AM CDT | Mesoscale Discussion | SPC | Clay, Dickinson, Geary, Harper, Harvey, Kingman and 7 more | 3 hr |
Nearby
Severe Thunderstorm Watches in Nebraska, 2003Severe Thunderstorm Watches in Kansas, 2003Every severe thunderstorm watch in 2003
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.