Alert archive / Nebraska / Severe Thunderstorm Watches in 2013
Severe Thunderstorm Watch 397
The Storm Prediction Center issued this severe thunderstorm watch at Jul 7, 2013, 6:03 PM CDT for 4 states. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 7, 2013, 6:03 PM CDT (23:03 UTC)
- Expired
- Jul 8, 2013, 12:17 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 60 kt
All 91 counties
Cherokee County, IA, Ida County, IA, Lyon County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Adams County, NE, Antelope County, NE, Arthur County, NE, Blaine County, NE, Boone County, NE, Boyd County, NE, Brown County, NE, Buffalo County, NE, Burt County, NE, Cedar County, NE, Cherry County, NE, Colfax County, NE, Cuming County, NE, Custer County, NE, Dakota County, NE, Dawson County, NE, Deuel County, NE, Dixon County, NE, Garden County, NE, Garfield County, NE, Gosper County, NE, Grant County, NE, Greeley County, NE, Hall County, NE, Holt County, NE, Hooker County, NE, Howard County, NE, Kearney County, NE, Keith County, NE, Keya Paha County, NE, Knox County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, Madison County, NE, McPherson County, NE, Merrick County, NE, Nance County, NE, Phelps County, NE, Pierce County, NE, Platte County, NE, Rock County, NE, Sheridan County, NE, Sherman County, NE, Stanton County, NE, Thomas County, NE, Thurston County, NE, Valley County, NE, Wayne County, NE, Wheeler County, NE, Aurora County, SD, Bennett County, SD, Bon Homme County, SD, Butte County, SD, Charles Mix County, SD, Clay County, SD, Custer County, SD, Davison County, SD, Douglas County, SD, Fall River County, SD, Gregory County, SD, Hanson County, SD, Harding County, SD, Hutchinson County, SD, Lake County, SD, Lawrence County, SD, Lincoln County, SD, McCook County, SD, Meade County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Pennington County, SD, Sanborn County, SD, Todd County, SD, Tripp County, SD, Turner County, SD, Union County, SD, Yankton County, SD
The radar
The North Platte radar (KLNX), 154 km from the middle of the area, began a volume at 23:03 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 20%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 80%
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 |
|---|---|---|---|---|
| Jul 7, 6:14 PM CDT | Severe Thunderstorm Warning | LBF | Boyd, Holt | 61 min |
| Jul 7, 6:23 PM CDT | Severe Thunderstorm Warning | FSD | Charles Mix, Douglas, Gregory | 67 min |
| Jul 7, 6:24 PM CDT | Tornado Warning | LBF | Hooker, McPherson, Thomas | 51 min |
| Jul 7, 7:03 PM CDT | Severe Thunderstorm Warning | LBF | Boyd, Holt | 42 min |
| Jul 7, 7:07 PM CDT | Tornado Warning | LBF | Hooker, Logan, McPherson, Thomas | 38 min |
| Jul 7, 7:08 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Charles Mix, Douglas, Hutchinson | 67 min |
| Jul 7, 7:30 PM CDT | Severe Thunderstorm Warning | UNR | Lawrence | 60 min |
| Jul 7, 7:40 PM CDT | Severe Thunderstorm Warning | LBF | Custer, Lincoln | 65 min |
| Jul 7, 7:44 PM CDT | Severe Thunderstorm Warning | FSD | Bon Homme, Yankton | 61 min |
| Jul 7, 7:45 PM CDT | Severe Thunderstorm Warning | LBF | Holt | 45 min |
| Jul 7, 7:48 PM CDT | Severe Thunderstorm Warning | LBF | Logan, McPherson | 57 min |
| Jul 7, 7:52 PM CDT | Severe Thunderstorm Warning | OAX | Cedar, Knox | 38 min |
| Jul 7, 7:55 PM CDT | Severe Thunderstorm Warning | LBF | Garfield, Wheeler | 50 min |
| Jul 7, 8:09 PM CDT | Severe Thunderstorm Warning | LBF | Custer, Lincoln | 51 min |
| Jul 7, 8:24 PM CDT | Severe Thunderstorm Warning | LBF | Arthur, Keith, Lincoln, McPherson | 51 min |
| Jul 7, 8:33 PM CDT | Severe Thunderstorm Warning | OAX | Cedar | 42 min |
| Jul 7, 8:36 PM CDT | Severe Thunderstorm Warning | FSD | Dixon | 54 min |
| Jul 7, 8:39 PM CDT | Severe Thunderstorm Warning | OAX | Antelope | 36 min |
| Jul 7, 8:45 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 45 min |
| Jul 7, 8:46 PM CDT | Severe Thunderstorm Warning | LBF | Custer, Garfield, Loup, Wheeler | 44 min |
| Jul 7, 8:47 PM CDT | Severe Thunderstorm Warning | GID | Greeley, Valley | 43 min |
| Jul 7, 8:54 PM CDT | Severe Thunderstorm Warning | LBF | Lincoln | 51 min |
| Jul 7, 9:03 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth, Woodbury | 57 min |
| Jul 7, 9:26 PM CDT | Severe Thunderstorm Warning | GID | Greeley, Valley | 64 min |
| Jul 7, 9:48 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee, Plymouth, Woodbury | 57 min |
| Jul 7, 10:04 PM CDT | Severe Thunderstorm Warning | LBF | Keith, Perkins | 56 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
Aberdeen, SD (KABR), launched 12:00Z, 11.1 hours before the alert went out and 231 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
- 1951 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 818 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- 0 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 |
|---|---|---|---|---|
| Jul 7, 5:35 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Dickinson, Emmet, Ida and 8 more | 115 min |
| Jul 6, 7:33 PM CDT | Mesoscale Discussion | SPC | Becker, Clay, Clearwater, Mahnomen, Marshall, Norman and 6 more | 117 min |
| Jul 7, 5:12 PM CDT | Mesoscale Discussion | SPC | Arthur, Banner, Box Butte, Cherry, Cheyenne, Dawes and 8 more | 2 hr |
Nearby
Severe Thunderstorm Watches in Nebraska, 2013Severe Thunderstorm Watches in South Dakota, 2013Severe Thunderstorm Watches in Iowa, 2013Every severe thunderstorm watch in 2013
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.