Alert archive / Nebraska / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 178, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jul 21, 2000, 6:26 PM CDT for Garfield County, Nebraska. It was in force for 34 min. 2 reports 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
- Jul 21, 2000, 6:26 PM CDT (23:26 UTC)
- Expired
- Jul 21, 2000, 7:00 PM CDT
- In force
- 34 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Garfield County, NE
The radar
The North Platte radar (KLNX), 123 km from the middle of the area, began a volume at 23:28 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 |
|---|---|---|---|
| Jul 21, 6:37 PM CDT | Hail 0.88 | Burwell, NE | |
| Jul 21, 7:10 PM CDT | Hail 1 | Burwell, NE |
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 |
|---|---|---|---|
| Jul 21, 3:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.4 hours before the alert went out and 155 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
- 715 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 483 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 157 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
536 WUUS53 KLBF 212327 SVRLBF NEC071-220000- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 626 PM CDT FRI JUL 21 2000 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN GARFIELD COUNTY IN NORTH CENTRAL NEBRASKA * UNTIL 700 PM CDT * AT 618 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 15 MILES NORTH OF BURWELL...MOVING SOUTH AT 10 MPH. 60 MPH WINDS HAVE BEEN REPORTED WITH THIS STORM * THE SEVERE THUNDERSTORM WILL BE... 7 MILES NORTH OF BURWELL AROUND 700 PM 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 4207 9920 4176 9918 4176 9894 4207 9894 $$ CDC
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 9:01 PM CDT | Severe Thunderstorm Warning | LBF | Frontier | 59 min |
| Jul 21, 3:05 PM CDT | Severe Thunderstorm Warning | LBF | Cherry | 55 min |
| Jul 21, 4:14 PM CDT | Severe Thunderstorm Warning | LBF | Rock | 31 min |
| Jul 21, 4:25 PM CDT | Severe Thunderstorm Warning | LBF | Holt | 35 min |
| Jul 21, 5:00 PM CDT | Severe Thunderstorm Warning | LBF | Holt | 30 min |
| Jul 21, 6:08 PM CDT | Severe Thunderstorm Warning | LBF | Cherry | 52 min |
| Jul 21, 6:27 PM CDT | Severe Thunderstorm Warning | LBF | Garden | 33 min |
| Jul 21, 6:44 PM CDT | Severe Thunderstorm Warning | LBF | Garfield | 31 min |
| Jul 21, 6:51 PM CDT | Severe Thunderstorm Warning | LBF | Grant | 54 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2000Every severe thunderstorm warning in 2000
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.