Alert archive / Nebraska / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 166
The Storm Prediction Center issued this severe thunderstorm watch at Apr 19, 2005, 9:30 PM CDT for 20 counties in Nebraska. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 19, 2005, 9:30 PM CDT (02:30 UTC)
- Expired
- Apr 20, 2005, 5:00 AM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
Counties Blaine County, NE, Brown County, NE, Buffalo County, NE, Custer County, NE, Dawson County, NE, Garfield County, NE, Greeley County, NE, Hall County, NE, Holt County, NE, Hooker County, NE, Howard County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Rock County, NE, Sherman County, NE, Thomas County, NE, Valley County, NE, Wheeler County, NE
The radar
The North Platte radar (KLNX), 43 km from the middle of the area, began a volume at 02:30 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
13 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 9:35 PM CDT | Severe Thunderstorm Warning | LBF | Thomas | 25 min |
| Apr 19, 9:42 PM CDT | Severe Thunderstorm Warning | LBF | McPherson | 48 min |
| Apr 19, 9:42 PM CDT | Severe Thunderstorm Warning | LBF | Hooker | 33 min |
| Apr 19, 9:49 PM CDT | Severe Thunderstorm Warning | LBF | Lincoln | 41 min |
| Apr 19, 9:52 PM CDT | Severe Thunderstorm Warning | LBF | Thomas | 54 min |
| Apr 19, 9:55 PM CDT | Severe Thunderstorm Warning | LBF | Wheeler | 50 min |
| Apr 19, 10:29 PM CDT | Severe Thunderstorm Warning | LBF | Lincoln | 46 min |
| Apr 19, 10:37 PM CDT | Severe Thunderstorm Warning | LBF | McPherson | 38 min |
| Apr 19, 10:43 PM CDT | Severe Thunderstorm Warning | LBF | Wheeler | 47 min |
| Apr 19, 11:00 PM CDT | Flash Flood Warning | LBF | Wheeler | 6 hr |
| Apr 19, 11:05 PM CDT | Severe Thunderstorm Warning | LBF | Logan | 55 min |
| Apr 19, 11:12 PM CDT | Severe Thunderstorm Warning | LBF | Lincoln | 48 min |
| Apr 20, 1:39 AM CDT | Severe Thunderstorm Warning | GID | Greeley | 66 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, 2.5 hours before the alert went out and 79 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
- 1502 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1658 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 230 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.9
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 7:21 PM CDT | Mesoscale Discussion | SPC | Arthur, Banner, Box Butte, Brown, Chase, Cherry and 16 more | 114 min |
| Apr 19, 7:38 PM CDT | Mesoscale Discussion | SPC | Antelope, Boone, Burt, Butler, Colfax, Cuming and 22 more | 2 hr |
| Apr 19, 10:56 PM CDT | Mesoscale Discussion | SPC | Antelope, Blaine, Boyd, Brown, Buffalo, Cedar and 23 more | 94 min |
| Apr 20, 1:14 AM CDT | Mesoscale Discussion | SPC | Antelope, Boone, Burt, Butler, Cedar, Colfax and 15 more | 2 hr |
| Apr 20, 1:18 AM CDT | Mesoscale Discussion | SPC | Antelope, Boone, Burt, Butler, Cedar, Colfax and 15 more | 117 min |
| Apr 20, 6:23 PM CDT | Mesoscale Discussion | SPC | Banner, Box Butte, Cheyenne, Dawes, Deuel, Garden and 4 more | 97 min |
Nearby
Severe Thunderstorm Watches in Nebraska, 2005Every severe thunderstorm watch in 2005
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.