Alert archive / Nebraska / Severe Thunderstorm Watches in 2001
Severe Thunderstorm Watch 711
The Storm Prediction Center issued this severe thunderstorm watch at Sep 6, 2001, 11:00 PM CDT for 22 counties in Nebraska. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 6, 2001, 11:00 PM CDT (04:00 UTC)
- Expired
- Sep 7, 2001, 2:00 AM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
All 22 counties
Antelope County, NE, Blaine County, NE, Boyd County, NE, Buffalo County, NE, Custer County, NE, Dawson County, NE, Frontier County, NE, Furnas County, NE, Garfield County, NE, Gosper County, NE, Greeley County, NE, Harlan County, NE, Hitchcock County, NE, Holt County, NE, Knox County, NE, Loup County, NE, Phelps County, NE, Red Willow County, NE, Rock County, NE, Sherman County, NE, Valley County, NE, Wheeler County, NE
The radar
The North Platte radar (KLNX), 111 km from the middle of the area, began a volume at 03:59 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
19 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 11:02 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 58 min |
| Sep 6, 11:03 PM CDT | Severe Thunderstorm Warning | LBF | Boyd | 57 min |
| Sep 6, 11:12 PM CDT | Severe Thunderstorm Warning | LBF | Loup, Rock | 48 min |
| Sep 6, 11:23 PM CDT | Severe Thunderstorm Warning | LBF | Frontier | 67 min |
| Sep 6, 11:27 PM CDT | Severe Thunderstorm Warning | GID | Gosper | 48 min |
| Sep 6, 11:53 PM CDT | Severe Thunderstorm Warning | LBF | Holt | 67 min |
| Sep 7, 12:00 AM CDT | Severe Thunderstorm Warning | LBF | Custer | 60 min |
| Sep 7, 12:15 AM CDT | Severe Thunderstorm Warning | GID | Dawson, Gosper | 45 min |
| Sep 7, 12:25 AM CDT | Severe Thunderstorm Warning | GID | Valley | 50 min |
| Sep 7, 12:39 AM CDT | Severe Thunderstorm Warning | LBF | Boyd | 66 min |
| Sep 7, 12:48 AM CDT | Severe Thunderstorm Warning | LBF | Wheeler | 42 min |
| Sep 7, 12:50 AM CDT | Severe Thunderstorm Warning | GID | Buffalo, Sherman | 40 min |
| Sep 7, 12:51 AM CDT | Severe Thunderstorm Warning | OAX | Knox | 54 min |
| Sep 7, 12:57 AM CDT | Severe Thunderstorm Warning | LBF | Holt | 33 min |
| Sep 7, 1:03 AM CDT | Severe Thunderstorm Warning | GID | Greeley, Howard | 57 min |
| Sep 7, 1:03 AM CDT | Severe Thunderstorm Warning | GID | Phelps | 27 min |
| Sep 7, 1:09 AM CDT | Severe Thunderstorm Warning | OAX | Antelope | 46 min |
| Sep 7, 1:48 AM CDT | Severe Thunderstorm Warning | OAX | Knox, Pierce | 42 min |
| Sep 7, 1:55 AM CDT | Severe Thunderstorm Warning | OAX | Antelope, Boone | 35 min |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 4.0 hours before the alert went out and 69 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
- 1716 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 2094 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 27 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 |
|---|---|---|---|---|
| Sep 7, 1:30 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Antelope, Boone, Burt, Butler, Cedar and 31 more | 6 hr |
| Sep 7, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | Gage, Johnson, Nemaha, Pawnee, Richardson | 6 hr |
| Sep 7, 4:45 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Butler, Cass, Clay, Colfax, Dodge and 23 more | 3 hr |
| Sep 7, 6:00 PM CDT | Tornado Watch | SPC | Richardson | 5 hr |
Nearby
Severe Thunderstorm Watches in Nebraska, 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.