Alert archive / Nebraska / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 310, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Sep 7, 2001, 12:57 AM CDT for Holt County, Nebraska. It was in force for 33 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Sep 7, 2001, 12:57 AM CDT (05:57 UTC)
- Expired
- Sep 7, 2001, 1:30 AM CDT
- In force
- 33 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Holt County, NE
The radar
The North Platte radar (KLNX), 154 km from the middle of the area, began a volume at 05:58 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 was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 7, 1:00 AM CDT | Thunderstorm Wind 52 E | Amelia, NE | 4 inch tree limbs down. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 6, 11:00 PM CDT | Severe Thunderstorm Watch | SPC | 3 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 6.0 hours before the alert went out and 210 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
As transmitted, in the capitals the NWS used until 2016.
815 WUUS53 KLBF 070559 SVRLBF NEC089-070630- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 1257 AM CDT FRI SEP 7 2001 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... HOLT COUNTY IN NORTH CENTRAL NEBRASKA... * UNTIL 130 AM CDT... * AT 1253 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 18 MILES NORTHEAST OF ONEILL TO 13 MILES SOUTHEAST OF CHAMBERS MOVING EAST AT 35 MPH. WINDS GUSTED TO 63 MPH IN ONEILL AS THESE STORMS MOVED THROUGH. LARGE HAIL IS ALSO POSSIBLE. * SEVERE THUNDERSTORMS WILL BE... OVER EWING AROUND 105 AM CDT... OVER PAGE NOW THROUGH 115 AM CDT... IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER IN A SMALL INTERIOR ROOM AWAY FROM WINDOWS. A BASEMENT OFFERS THE BEST PROTECTION. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. LAT...LON 4277 9922 4212 9917 4211 9833 4273 9835 $$ CDC
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 8:10 PM CDT | Severe Thunderstorm Warning | LBF | Grant, Hooker | 65 min |
| Sep 6, 9:02 PM CDT | Severe Thunderstorm Warning | LBF | Cherry | 58 min |
| Sep 6, 9:08 PM CDT | Severe Thunderstorm Warning | LBF | Chase, Perkins | 67 min |
| Sep 6, 9:14 PM CDT | Severe Thunderstorm Warning | LBF | Hooker | 46 min |
| Sep 6, 9:40 PM CDT | Severe Thunderstorm Warning | LBF | Thomas | 65 min |
| Sep 6, 9:51 PM CDT | Severe Thunderstorm Warning | LBF | Cherry | 54 min |
| Sep 6, 10:00 PM CDT | Severe Thunderstorm Warning | LBF | Brown, Keya Paha | 60 min |
| Sep 6, 10:16 PM CDT | Severe Thunderstorm Warning | LBF | Blaine | 59 min |
| Sep 6, 10:36 PM CDT | Severe Thunderstorm Warning | LBF | Logan | 24 min |
| Sep 6, 10:50 PM CDT | Severe Thunderstorm Warning | LBF | Lincoln | 55 min |
| 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, 11:53 PM CDT | Severe Thunderstorm Warning | LBF | Holt | 67 min |
| Sep 7, 12:00 AM CDT | Severe Thunderstorm Warning | LBF | Custer | 60 min |
| Sep 7, 12:39 AM CDT | Severe Thunderstorm Warning | LBF | Boyd | 66 min |
| Sep 7, 12:48 AM CDT | Severe Thunderstorm Warning | LBF | Wheeler | 42 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2001Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.