Alert archive / Nebraska / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 389
The Storm Prediction Center issued this severe thunderstorm watch at Jun 9, 2001, 10:00 PM CDT for 15 counties in Nebraska; Bon Homme County, Yankton County, South Dakota. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 9, 2001, 10:00 PM CDT (03:00 UTC)
- Expired
- Jun 10, 2001, 2:00 AM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
Counties Antelope County, NE, Blaine County, NE, Boyd County, NE, Brown County, NE, Garfield County, NE, Holt County, NE, Keya Paha County, NE, Knox County, NE, Loup County, NE, Madison County, NE, Pierce County, NE, Rock County, NE, Stanton County, NE, Thomas County, NE, Wheeler County, NE, Bon Homme County, SD, Yankton County, SD
The radar
The North Platte radar (KLNX), 172 km from the middle of the area, began a volume at 03:01 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
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 10:35 PM CDT | Severe Thunderstorm Warning | LBF | Boyd, Holt, Rock | 55 min |
| Jun 9, 11:02 PM CDT | Severe Thunderstorm Warning | LBF | Brown, Keya Paha | 58 min |
| Jun 9, 11:27 PM CDT | Severe Thunderstorm Warning | LBF | Holt, Rock | 63 min |
| Jun 9, 11:43 PM CDT | Severe Thunderstorm Warning | OAX | Knox | 62 min |
| Jun 10, 12:26 AM CDT | Severe Thunderstorm Warning | OAX | Antelope | 34 min |
| Jun 10, 12:58 AM CDT | Severe Thunderstorm Warning | OAX | Antelope, Pierce | 47 min |
| Jun 10, 1:04 AM CDT | Severe Thunderstorm Warning | LBF | Holt, Wheeler | 26 min |
| Jun 10, 1:18 AM CDT | Tornado Warning | OAX | Antelope | 27 min |
| Jun 10, 1:42 AM CDT | Severe Thunderstorm Warning | OAX | Madison, Stanton | 48 min |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 3.0 hours before the alert went out and 228 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
- 3187 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 1522 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 158 m²/s²
- 0-3 km storm-relative helicity
- 333 m²/s²
- Significant tornado parameter
- 2.6
- Supercell composite
- 27.1
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 |
|---|---|---|---|---|
| Jun 9, 8:00 PM CDT | Severe Thunderstorm Watch | SPC | Aurora, Beadle, Brown, Brule, Buffalo, Campbell and 28 more | 6 hr |
| Jun 9, 10:30 PM CDT | Severe Thunderstorm Watch | SPC | Brookings, Codington, Day, Deuel, Grant, Hamlin and 9 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Nebraska, 2001Severe Thunderstorm Watches in South Dakota, 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; radar from the NEXRAD Level II archive.