Alert archive / Nebraska / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 529
The Storm Prediction Center issued this severe thunderstorm watch at Jul 8, 2001, 2:30 PM MDT for 4 states. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 8, 2001, 2:30 PM MDT (20:30 UTC)
- Expired
- Jul 8, 2001, 9:00 PM MDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 23 counties
Boulder County, CO, Broomfield County, CO, Logan County, CO, Morgan County, CO, Washington County, CO, Weld County, CO, Banner County, NE, Box Butte County, NE, Cheyenne County, NE, Dawes County, NE, Kimball County, NE, Morrill County, NE, Scotts Bluff County, NE, Sioux County, NE, Custer County, SD, Fall River County, SD, Lawrence County, SD, Pennington County, SD, Goshen County, WY, Laramie County, WY, Niobrara County, WY, Platte County, WY, Weston County, WY
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 |
|---|---|---|---|---|
| Jul 8, 2:44 PM MDT | Severe Thunderstorm Warning | UNR | Pennington | 46 min |
| Jul 8, 3:01 PM MDT | Severe Thunderstorm Warning | UNR | Custer | 59 min |
| Jul 8, 3:31 PM MDT | Severe Thunderstorm Warning | UNR | Pennington | 29 min |
| Jul 8, 4:13 PM MDT | Severe Thunderstorm Warning | UNR | Custer | 47 min |
| Jul 8, 5:00 PM MDT | Severe Thunderstorm Warning | UNR | Custer | 60 min |
| Jul 8, 5:35 PM MDT | Severe Thunderstorm Warning | UNR | Lawrence, Pennington | 55 min |
| Jul 8, 6:20 PM MDT | Severe Thunderstorm Warning | UNR | Fall River | 40 min |
| Jul 8, 6:30 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 60 min |
| Jul 8, 7:00 PM MDT | Severe Thunderstorm Warning | UNR | Fall River | 30 min |
| Jul 8, 7:06 PM MDT | Severe Thunderstorm Warning | UNR | Custer | 54 min |
| Jul 8, 8:21 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 54 min |
| Jul 8, 8:24 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 66 min |
| Jul 8, 8:47 PM MDT | Severe Thunderstorm Warning | UNR | Fall River | 43 min |
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 8.5 hours before the alert went out and 223 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
- 264 J/kg
- Mixed-layer CIN
- -340 J/kg
- Mixed-layer LCL
- 1312 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -59 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 9:00 PM MDT | Severe Thunderstorm Watch | SPC | Arthur, Blaine, Brown, Cherry, Custer, Deuel and 10 more | 5 hr |
| Jul 8, 2:45 AM MDT | Severe Thunderstorm Watch | SPC | Boone, Butler, Colfax, Cuming, Dodge, Garfield and 11 more | 3 hr |
| Jul 8, 3:30 PM MDT | Severe Thunderstorm Watch | SPC | Antelope, Boone, Burt, Butler, Cedar, Colfax and 14 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Nebraska, 2001Severe Thunderstorm Watches in Colorado, 2001Severe Thunderstorm Watches in Wyoming, 2001Every severe thunderstorm watch in 2001
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.