Alert archive / Nebraska / Severe Thunderstorm Watches in 1997
Severe Thunderstorm Watch 474
The Storm Prediction Center issued this severe thunderstorm watch at Jun 18, 1997, 4:30 PM CDT for 12 counties in Kansas; 27 counties in Nebraska. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 18, 1997, 4:30 PM CDT (21:30 UTC)
- Expired
- Jun 18, 1997, 10:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 39 counties
Cheyenne County, KS, Decatur County, KS, Gove County, KS, Graham County, KS, Logan County, KS, Norton County, KS, Rawlins County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Arthur County, NE, Blaine County, NE, Brown County, NE, Chase County, NE, Cherry County, NE, Custer County, NE, Dawson County, NE, Dundy County, NE, Frontier County, NE, Furnas County, NE, Gosper County, NE, Grant County, NE, Harlan County, NE, Hayes County, NE, Hitchcock County, NE, Hooker County, NE, Keith County, NE, Keya Paha County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Perkins County, NE, Phelps County, NE, Red Willow County, NE, Rock County, NE, Thomas County, NE
The radar
The Goodland radar (KGLD), 132 km from the middle of the area, began a volume at 21:31 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
11 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 4:48 PM CDT | Severe Thunderstorm Warning | LBF | Cherry | 47 min |
| Jun 18, 5:22 PM CDT | Severe Thunderstorm Warning | GLD | Red Willow | 48 min |
| Jun 18, 5:25 PM CDT | Severe Thunderstorm Warning | LBF | Keya Paha | 50 min |
| Jun 18, 6:15 PM CDT | Severe Thunderstorm Warning | LBF | Keya Paha | 50 min |
| Jun 18, 6:43 PM CDT | Severe Thunderstorm Warning | LBF | Custer, Logan | 62 min |
| Jun 18, 6:56 PM CDT | Severe Thunderstorm Warning | LBF | Keya Paha | 44 min |
| Jun 18, 7:13 PM CDT | Severe Thunderstorm Warning | LBF | Perkins | 62 min |
| Jun 18, 7:38 PM CDT | Severe Thunderstorm Warning | LBF | Holt, Keya Paha, Rock | 62 min |
| Jun 18, 7:45 PM CDT | Severe Thunderstorm Warning | LBF | Custer | 60 min |
| Jun 18, 8:03 PM CDT | Severe Thunderstorm Warning | LBF | Rock | 62 min |
| Jun 18, 9:41 PM CDT | Severe Thunderstorm Warning | GLD | Sherman | 64 min |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.5 hours before the alert went out and 86 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1402 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 157 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 |
|---|---|---|---|---|
| Jun 18, 4:15 PM CDT | Tornado Watch | SPC | Banner, Box Butte, Cheyenne, Dawes, Deuel, Garden and 5 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Nebraska, 1997Severe Thunderstorm Watches in Kansas, 1997Every severe thunderstorm watch in 1997
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.