Alert archive / Nebraska / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 12, NWS North Platte, NE
NWS North Platte, NE issued this severe thunderstorm warning at Jun 24, 1987, 3:57 PM CDT for Antelope County, Nebraska. It was in force for 43 min. 3 reports 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 24, 1987, 3:57 PM CDT (20:57 UTC)
- Expired
- Jun 24, 1987, 4:40 PM CDT
- In force
- 43 min
- Issued by
- NWS North Platte, NE
- Area
- Whole counties
County Antelope County, NE
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 24, 4:20 PM CDT | Hail 0.75 | Antelope, NE | |
| Jun 24, 4:20 PM CDT | Thunderstorm Wind 0 | Antelope, NE | |
| Jun 24, 4:45 PM CDT | Thunderstorm Wind 52 | Antelope, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Omaha, NE (KOAX), launched 12:00Z, 9.0 hours before the alert went out and 170 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
- 3614 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 52 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.
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.
In the hours before
Special weather statement, Jun 24, 1:34 PM CDT, 2 hours 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 130 PM CDT WED JUN 24 1987 AT 120 PM CDT...WIDELY SCATTERED SHOWERS AND THUNDERSTORMS HAVE DEVELOPED OVER PORTIONS OF SOUTHWEST AND NORTH CENTRAL NEBRASKA. THE SHOWERS AND THUNDERSTORMS WERE EAST OF A LINE FROM MCCOOK NEBRASKA OR 60 MILES SOUTH OF NORTH PLATTE TO MULLEN NEBRASKA OR 55 MILES NORTH NORTHWEST OF NORTH PLATTE. THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST AT ABOUT 30 MPH. THE HEAVIEST THUNDERSTORMS WERE 5 MILES SOUTHEAST OF MULLEN NEBRASKA AND WESTERN CUSTER COUNTY NEBRASKA. COFFIN 241834 HAIL...DANGEROUS LIGHTNING...GUSTY WINDS AND LOCALLY HEAVY RAIN DURING THE EARLY MORNING HOURS. MEYER
Special weather statement, Jun 24, 2:16 PM CDT, 1 hour 41 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 214 PM CDT WED JUN 24 1987 AT 210 PM CDT...THUNDERSTORMS CONTINUE TO DEVELOPE OVER SOUTHWEST AND NORTH CENTRAL NEBRASKA. THE THUNDERSTORMS WERE EAST OF A LINE FROM 20 MILES WEST OF IMPERIAL NEBRASKA TO 45 MILES SOUTHEAST OF VALENTINE NEBRASKA. THE HEAVIEST THUNDERSTORMS WERE IN A LINE FROM 20 MILES WEST OF NORTH PLATTE NEBRASKA TO THE NORTH END OF THE LINE. THE THUNDERSTORMS WERE MOVING EAST AT ABOUT 30 MPH. HEAVY RAIN...HAIL...AND STRONG GUSTY WINDS CAN BE EXPECTED WITH THESE THUNDERSTORMS. COFFIN 241916
Special weather statement, Jun 24, 3:23 PM CDT, 34 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTH PLATTE NE 320 PM CDT WED JUN 24 1987 ...A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF CENTRAL NEBRASKA UNTIL 700 PM CDT... A LINE OF VERY STRONG THUNDERSTORMS CONTINUED TO MOVE ACROSS SOUTHWEST AND CENTRAL NEBRASKA THIS AFTERNOON. AT 310 PM CDT A LINE OF VERY STRONG THUNDERSTORMS WAS LOCATED FROM NORTH CENTRAL CUSTER COUNTY OF CENTRAL NEBRASKA EXTENDING THROUGH LINCOLN COUNTY INTO HAYES AND CHASE COUNTIES ALL OF SOUTHWEST NEBRASKA. THE STRONGEST STORM WAS 10 MILES WEST OF WELLFLEET NEBRASKA IN SOUTH CENTRAL LINCOLN COUNTY OR ABOUT 30 MILES SOUTH OF NORTH PLATTE NEBRASKA. ALL THUNDERSTORMS WERE MOVING EAST AT 30 MPH. CONDITIONS REMAIN FAVORABLE FOR TORNADO DEVELOPMENT. PERSONS IN SOUTHWEST AND CENTRAL NEBRASKA SHOULD LISTEN FOR LATER STATEMNTS AND POSSIBLE WARNINGS.
The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 3:38 PM CDT | Tornado Warning | LBF | Frontier | 52 min |
| Jun 24, 4:32 PM CDT | Severe Thunderstorm Warning | LBF | Antelope, Boone | 58 min |
| Jun 24, 4:32 PM CDT | Severe Thunderstorm Warning | LBF | Knox | 58 min |
| Jun 24, 4:58 PM CDT | Tornado Warning | LBF | Madison, Pierce | 32 min |
| Jun 24, 5:28 PM CDT | Severe Thunderstorm Warning | LBF | Madison, Pierce, Stanton, Wayne | 32 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 1987Every severe thunderstorm warning in 1987
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.