Alert archive / Nebraska / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 113, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jul 8, 1997, 11:03 PM MDT for Deuel County, Nebraska. It was in force for 62 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 8, 1997, 11:03 PM MDT (05:03 UTC)
- Expired
- Jul 9, 1997, 12:05 AM MDT
- In force
- 62 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Deuel County, NE
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 8, 11:10 PM MDT | Hail 1.25 | Chappell, 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 nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 5.1 hours before the alert went out and 145 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
- 2697 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 1643 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 187 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 9.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLBF 090503 RRA SVRLBF NEC049-090605- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 1203 AM CDT (1103 PM MDT) WED JUL 9 1997 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE NE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1205 AM MDT (105 AM CDT) FOR PEOPLE IN THE FOLLOWING LOCATION... IN THE NEBRASKA PANHANDLE ...DEUEL COUNTY AT 1101 PM MDT...A SEVERE THUNDERSTORM WAS INDICATED BY NORTH PLATTE DOPPLER RADAR 25 MILES EAST OF SIDNEY OR 5 MILES NORTH OF CHAPPELL MOVING SOUTH AT 10 MPH. DAMAGING HAIL AND/OR DESTRUCTIVE WINDS CAN BE EXPECTED NEAR... CHAPPELL BY 1120 PM MDT SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH... DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. RLB
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 6:37 PM MDT | Severe Thunderstorm Warning | LBF | Garden | 63 min |
| Jul 8, 7:41 PM MDT | Severe Thunderstorm Warning | LBF | Garden | 49 min |
| Jul 8, 8:05 PM MDT | Severe Thunderstorm Warning | LBF | Deuel | 50 min |
| Jul 8, 8:15 PM MDT | Severe Thunderstorm Warning | LBF | Garden | 65 min |
| Jul 8, 8:32 PM MDT | Severe Thunderstorm Warning | LBF | Garden | 63 min |
| Jul 8, 8:55 PM MDT | Severe Thunderstorm Warning | LBF | Deuel | 35 min |
| Jul 8, 9:03 PM MDT | Severe Thunderstorm Warning | LBF | Grant | 32 min |
| Jul 8, 9:35 PM MDT | Severe Thunderstorm Warning | LBF | Cherry, Grant | 65 min |
| Jul 8, 10:34 PM MDT | Severe Thunderstorm Warning | LBF | Keith, Perkins | 51 min |
| Jul 8, 10:51 PM MDT | Severe Thunderstorm Warning | LBF | Garden | 64 min |
| Jul 8, 11:26 PM MDT | Severe Thunderstorm Warning | LBF | Perkins | 64 min |
| Jul 8, 11:33 PM MDT | Severe Thunderstorm Warning | LBF | McPherson | 62 min |
| Jul 9, 12:33 AM MDT | Severe Thunderstorm Warning | LBF | Perkins | 47 min |
| Jul 9, 1:06 AM MDT | Severe Thunderstorm Warning | LBF | Chase | 64 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1997Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.