Alert archive / Kansas / Tornado Watches in 2008
Tornado Watch 571
The Storm Prediction Center issued this tornado watch at Jun 18, 2008, 4:02 PM CDT for 17 counties in Kansas; 14 counties in Nebraska. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 18, 2008, 4:02 PM CDT (21:02 UTC)
- Expired
- Jun 18, 2008, 9:29 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 3 in
- Strongest gust expected
- 70 kt
All 31 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, Wallace County, KS, Wichita County, KS, Buffalo County, NE, Chase County, NE, Dawson County, NE, Dundy County, NE, Franklin County, NE, Frontier County, NE, Furnas County, NE, Gosper County, NE, Harlan County, NE, Hayes County, NE, Hitchcock County, NE, Kearney County, NE, Phelps County, NE, Red Willow County, NE
The radar
The Grand Island radar (KUEX), 135 km from the middle of the area, began a volume at 21:04 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
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 70%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 50%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
18 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 4:03 PM CDT | Severe Thunderstorm Warning | GLD | Greeley, Wichita | 57 min |
| Jun 18, 4:09 PM CDT | Severe Thunderstorm Warning | LBF | Frontier, Hayes, Lincoln | 66 min |
| Jun 18, 4:23 PM CDT | Tornado Warning | LBF | Frontier, Hayes | 37 min |
| Jun 18, 4:29 PM CDT | Tornado Warning | GLD | Cheyenne | 61 min |
| Jun 18, 4:29 PM CDT | Tornado Warning | GLD | Cheyenne | 61 min |
| Jun 18, 4:35 PM CDT | Tornado Warning | GLD | Hitchcock, Red Willow | 55 min |
| Jun 18, 4:53 PM CDT | Severe Thunderstorm Warning | GLD | Greeley, Wichita | 36 min |
| Jun 18, 5:13 PM CDT | Tornado Warning | GLD | Decatur, Norton | 62 min |
| Jun 18, 5:41 PM CDT | Severe Thunderstorm Warning | GLD | Red Willow | 34 min |
| Jun 18, 6:07 PM CDT | Tornado Warning | GLD | Red Willow | 23 min |
| Jun 18, 6:13 PM CDT | Tornado Warning | GLD | Norton | 49 min |
| Jun 18, 6:14 PM CDT | Severe Thunderstorm Warning | GID | Furnas | 46 min |
| Jun 18, 6:39 PM CDT | Severe Thunderstorm Warning | GLD | Sheridan | 66 min |
| Jun 18, 6:41 PM CDT | Severe Thunderstorm Warning | GID | Phillips | 49 min |
| Jun 18, 6:53 PM CDT | Severe Thunderstorm Warning | GLD | Graham | 55 min |
| Jun 18, 7:07 PM CDT | Severe Thunderstorm Warning | GLD | Gove, Sheridan | 53 min |
| Jun 18, 7:18 PM CDT | Tornado Warning | GLD | Gove | 27 min |
| Jun 18, 7:54 PM CDT | Severe Thunderstorm Warning | GID | Buffalo, Sherman | 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 12:00Z, 9.0 hours before the alert went out and 136 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
- 306 J/kg
- Mixed-layer CIN
- -452 J/kg
- Mixed-layer LCL
- 1591 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 187 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 9:26 PM CDT | Mesoscale Discussion | SPC | Barton, Cheyenne, Clay, Cloud, Decatur, Dickinson and 35 more | 64 min |
| Jun 17, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Cheyenne, Clay, Cloud, Decatur, Dickinson, Ellis and 23 more | 6 hr |
| Jun 17, 11:40 PM CDT | Mesoscale Discussion | SPC | Clay, Cloud, Decatur, Dickinson, Ellis, Ellsworth and 25 more | 95 min |
| Jun 18, 2:13 AM CDT | Severe Thunderstorm Watch | SPC | Barber, Barton, Butler, Clark, Comanche, Cowley and 18 more | 4 hr |
| Jun 18, 4:21 AM CDT | Mesoscale Discussion | SPC | Chautauqua | 54 min |
| Jun 18, 1:16 PM CDT | Severe Thunderstorm Watch | SPC | Cheyenne, Finney, Grant, Gray, Greeley, Hamilton and 15 more | 8 hr |
| Jun 18, 3:40 PM CDT | Mesoscale Discussion | SPC | Barton, Clark, Comanche, Decatur, Edwards, Ellis and 29 more | 35 min |
| Jun 17, 7:53 PM CDT | Mesoscale Discussion | SPC | Antelope, Arthur, Banner, Blaine, Boone, Box Butte and 33 more | 67 min |
| Jun 18, 1:02 PM CDT | Mesoscale Discussion | SPC | Cheyenne, Kimball | 28 min |
| Jun 18, 1:19 PM CDT | Mesoscale Discussion | SPC | Arthur, Blaine, Brown, Cherry, Dawes, Garden and 7 more | 56 min |
| Jun 18, 2:19 PM CDT | Severe Thunderstorm Watch | SPC | Arthur, Banner, Box Butte, Chase, Cherry, Cheyenne and 18 more | 7 hr |
| Jun 18, 6:29 PM CDT | Mesoscale Discussion | SPC | Arthur, Banner, Blaine, Box Butte, Cherry, Cheyenne and 17 more | 2 hr |
Nearby
Tornado Watches in Kansas, 2008Tornado Watches in Nebraska, 2008Every tornado watch in 2008
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.