Alert archive / Nebraska / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 744
The Storm Prediction Center issued this severe thunderstorm watch at Aug 25, 2005, 1:55 PM MDT for 8 counties in Colorado; Cheyenne County, Sherman County, Kansas; 17 counties in Nebraska. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 25, 2005, 1:55 PM MDT (19:55 UTC)
- Expired
- Aug 25, 2005, 9:00 PM MDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 27 counties
Kit Carson County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Yuma County, CO, Cheyenne County, KS, Sherman County, KS, Arthur County, NE, Banner County, NE, Box Butte County, NE, Chase County, NE, Cheyenne County, NE, Dawes County, NE, Deuel County, NE, Dundy County, NE, Garden County, NE, Grant County, NE, Keith County, NE, Kimball County, NE, Morrill County, NE, Perkins County, NE, Scotts Bluff County, NE, Sheridan County, NE, Sioux County, NE
The radar
The Cheyenne radar (KCYS), 164 km from the middle of the area, began a volume at 19:57 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 |
|---|---|---|---|---|
| Aug 25, 3:48 PM MDT | Severe Thunderstorm Warning | BOU | Lincoln | 27 min |
| Aug 25, 4:38 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne | 39 min |
| Aug 25, 4:51 PM MDT | Severe Thunderstorm Warning | LBF | Deuel | 39 min |
| Aug 25, 4:53 PM MDT | Severe Thunderstorm Warning | BOU | Logan, Washington | 52 min |
| Aug 25, 6:07 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 53 min |
| Aug 25, 6:09 PM MDT | Severe Thunderstorm Warning | BOU | Phillips | 38 min |
| Aug 25, 6:27 PM MDT | Severe Thunderstorm Warning | LBF | Keith | 48 min |
| Aug 25, 6:48 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 61 min |
| Aug 25, 6:56 PM MDT | Severe Thunderstorm Warning | LBF | Lincoln, Perkins | 32 min |
| Aug 25, 7:00 PM MDT | Severe Thunderstorm Warning | GLD | Yuma | 48 min |
| Aug 25, 7:31 PM MDT | Severe Thunderstorm Warning | GLD | Dundy | 57 min |
| Aug 25, 7:45 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne | 53 min |
| Aug 25, 8:00 PM MDT | Severe Thunderstorm Warning | GLD | Sherman | 48 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
Denver, CO (KDNR), launched 12:00Z, 7.9 hours before the alert went out and 154 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
- 4 J/kg
- Mixed-layer CIN
- -330 J/kg
- Mixed-layer LCL
- 2829 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 21 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 |
|---|---|---|---|---|
| Aug 24, 7:50 PM MDT | Severe Thunderstorm Watch | SPC | Allen, Anderson, Butler, Chase, Chautauqua, Coffey and 16 more | 5 hr |
| Aug 24, 9:08 PM MDT | Mesoscale Discussion | SPC | Bourbon, Cherokee, Crawford, Linn | 67 min |
| Aug 24, 10:17 PM MDT | Mesoscale Discussion | SPC | Allen, Anderson, Butler, Chase, Chautauqua, Coffey and 18 more | 58 min |
| Aug 24, 11:59 PM MDT | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Butler, Chase, Chautauqua and 22 more | 91 min |
| Aug 25, 2:12 PM MDT | Mesoscale Discussion | SPC | Barber, Clark, Comanche, Edwards, Ford, Gray and 8 more | 2 hr |
| Aug 25, 1:03 PM MDT | Mesoscale Discussion | SPC | Arthur, Banner, Box Butte, Cherry, Cheyenne, Deuel and 9 more | 87 min |
| Aug 25, 2:31 PM MDT | Mesoscale Discussion | SPC | Boyd | 59 min |
| Aug 25, 2:45 PM MDT | Severe Thunderstorm Watch | SPC | Boyd, Brown, Holt, Keya Paha, Knox, Rock | 7 hr |
Nearby
Severe Thunderstorm Watches in Nebraska, 2005Severe Thunderstorm Watches in Colorado, 2005Severe Thunderstorm Watches in Kansas, 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.