Alert archive / Nebraska / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 26, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jun 14, 1997, 7:37 PM MDT for Sheridan County, Nebraska. It was in force for 63 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
- Jun 14, 1997, 7:37 PM MDT (01:37 UTC)
- Expired
- Jun 14, 1997, 8:40 PM MDT
- In force
- 63 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Sheridan County, NE
The radar
The North Platte radar (KLNX), 163 km from the middle of the area, began a volume at 01:37 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 |
|---|---|---|---|
| Jun 14, 8:10 PM MDT | Hail 0.88 | Hay Spgs, 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 |
|---|---|---|---|
| Jun 14, 4:00 PM MDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.6 hours before the alert went out and 214 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
- 18 J/kg
- Mixed-layer CIN
- -132 J/kg
- Mixed-layer LCL
- 2295 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLBF 150139 RRA SVRLBF NEC161-150240- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NORTH PLATTE NE 837 PM CDT (737 PM MDT) SAT JUN 14 1997 THE NATIONAL WEATHER SERVICE IN NORTH PLATTE NE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 840 PM MDT (940 PM CDT) FOR PEOPLE IN THE FOLLOWING LOCATION... IN THE NEBRASKA PANHANDLE ...NORTHERN SHERIDAN COUNTY AT 735 PM MDT...A SEVERE THUNDERSTORM WAS INDICATED BY NORTH PLATTE DOPPLER RADAR 27 MILES SOUTHEAST OF CHADRON OR 9 MILES SOUTH OF HAY SPRINGS MOVING NORTHEAST AT 10 MPH. DAMAGING HAIL AND/OR DESTRUCTIVE WINDS CAN BE EXPECTED NEAR... HAY SPRINGS BY 805 PM MDT A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. IF YOU ARE IN THE PATH OF THIS STORM YOU SHOULD MOVE INSIDE A STRONG BUILDING AND GO TO THE LOWEST FLOOR POSSIBLE. RLB/GJM
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS North Platte, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 14, 2:13 PM MDT, 5 hours 24 minutes earlier.
Area forecast discussion, Jun 14, 2:13 PM MDT, 5 hours 24 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE NORTH PLATTE NE 312 PM CDT SAT JUN 14 1997 FORECAST PROBLEM...POPS AND TEMPERATURES 18Z SURFACE ANALYSIS SHOWING LOW PRESSURE OVER EASTCENTRAL WYOMING WITH DEWPOINTS IN THE MID 50S ACROSS FA. VISIBLE SATELLITE SHOWING LOTS OF CU OVER THE NEBRASKA PANHANDLE. WATER VAPOR IMAGERY SHOWING WAVE MOVING INTO SOUTHERN WYOMING. MODELS SHOW UPPER RIDGE SHIFTING EAST INTO THE MS VALLEY AS UPPER LOW SHIFTS SOUTHEAST INTO SOUTHERN NEW MEXICO BY END OF PERIOD. BEST CHANCES FOR THUNDERSTORMS TONIGHT AND SUNDAY ALONG AND AHEAD OF SURFACE TROUGH SHIFTING EAST ACROSS STATE. COLD FRONT FOLLOWS BEHIND COOLING LOW TEMPERATURES SUNDAY NIGHT AND HIGHS ON MONDAY. AHEAD OF TROUGH WINDS WILL BE SOUTHEAST 10-20 TONIGHT BECOMING SOUTHWEST ON SUNDAY AT 15-25 SHIFTING TO THE WEST BEHIND THE TROUGH IN THE PANHANDLE SUNDAY MORNING. WITH COLD FRONT THROUGH FA BY 00Z MONDAY WINDS SHOULD BE NORTH 5-10 SUNDAY NIGHT. MONDAY...WINDS SHOULD CONTINUE OUT OF THE NORTH AS CANADIAN HIGH PRESSURE BUILDS IN. KLNX RADAR DOES NOT INDICATE ANY THUNDERSTORMS AT THIS TIME BUT WOULD EXPECT DEVELOPMENT THIS EVENING WITH STORMS FIRING OVERTHE FRONT RANGE OF COLORADO. ETA GRIDDED DATA SHOWING FORCING OVER FA FOR THIS EVENING WITH CAPE OF 1000-1500 J/KG AND OVER THE PANHANDLE ALONG WITH LI OF -4. LBF EB 060/081 053/077 423 ONL EB 062/082 050/080 242 IML EB 061/081 052/077 433 VTN BB 059/082 04 7/079 412 OGA EB 059/079 051/075 423 FS
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 8:35 PM MDT | Severe Thunderstorm Warning | LBF | Deuel | 30 min |
| Jun 15, 1:04 AM MDT | Flash Flood Warning | LBF | Chase, Perkins | 3 hr |
| Jun 15, 1:04 AM MDT | Flash Flood Warning | LBF | Lincoln | 3 hr |
| Jun 15, 2:11 PM MDT | Severe Thunderstorm Warning | LBF | Cherry | 49 min |
| Jun 15, 3:00 PM MDT | Severe Thunderstorm Warning | LBF | Cherry | 60 min |
| Jun 15, 3:58 PM MDT | Severe Thunderstorm Warning | LBF | Cherry, Thomas | 47 min |
| Jun 15, 5:07 PM MDT | Severe Thunderstorm Warning | LBF | Blaine | 33 min |
| Jun 15, 5:13 PM MDT | Severe Thunderstorm Warning | LBF | Custer | 62 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; radar from the NEXRAD Level II archive.