Alert archive / Nebraska / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 2, NWS North Platte, NE

April 24, 1989Garfield County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Apr 24, 1989, 8:37 PM CDT for Garfield County, Nebraska. It was in force for 53 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
Apr 24, 1989, 8:37 PM CDT (01:37 UTC)
Expired
Apr 24, 1989, 9:30 PM CDT
In force
53 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Garfield 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

TimeReportWhereRemark
Apr 24, 8:46 PM CDTThunderstorm Wind 52Garfield, 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.6 hours before the alert went out and 160 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.

Skew-T log-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 00:00Z on 1989-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1598 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 1989-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1598 J/kg
Mixed-layer CIN
-77 J/kg
Mixed-layer LCL
2548 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
70 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KOFK 250139 COR
SVROFK
NEC071-250230-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORFOLK NE
837 PM CDT MON APR 24 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 930 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY

   IN THE NORTH CENTRAL PART OF NEBRASKA
      SOUTHERN GARFIELD

AT 830 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM WAS 5 WEST OF
BURWELL NEBRASKA IN SOUTHERN GARFIELD COUNTY.  THE STORM WAS MOVING
EAST AT 35 MPH.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...DEADLY
LIGHTNING AND VERY HEAVY RAIN THAT CAN QUICKLY FLOOD A LOW LYING
AREA.  SEVERE THUNDERSTORMS CAN ALSO PRODUCE A TORNADO WITH LITTLE
OR NO WARNING.

 GBX

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, Apr 24, 5:41 PM CDT, 2 hours 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
540 PM CDT MON APR 24 1989

AN INTENSE THUNDERSTORM DEVELOPED IN WEST NEBRASKA THIS AFTERNOON.

AT 330 PM CDT AN INTENSE THUNDERSTORM WAS 10 MILES NORTHEAST OF TRYON
NEBRASKA IN MCPHERSON COUNTY OF WEST NEBRASKA.  THIS WOULD PLACE THE
THUNDERSTORM 35 MILES NORTH OF NORTH PLATTE NEBRASKA.  THE THUNDERSTORM
WAS MOVING SLOWLY NORTHEAST AT 10 MILES AN HOUR.

NORTH PLATTE NATIONAL WEATHER SERVICE RADAR WAS SHOWING POSSIBLE SMALL
HAIL WITH THIS STORM.  IF YOU LIVE IN NORTHEAST MCPHERSON COUNTY BE
PREPARED FOR DANGEROUS LIGHTNING...SOME HAIL...GUSTY WIND AND HEAVY
RAIN.  ALSO BE ALERT TO ANY FAST CHANGES IN THE WEATHER.

THE THUNIDERSTORM WAS GENERATED BY SOME COOLER AIR MOVING INTO WEST AND
NORTH CENTRAL NEBRASKA THIS AFTERNOON.

MEYER
Special weather statement, Apr 24, 5:45 PM CDT, 2 hours 52 minutes before
SPECIAL WEATHER STATEMENT...CORRECTED TIME OF THUNDERSTORM SIGHTING...
NATIONAL WEATHER SERVICE NORTH PLATTE NE
540 PM CDT MON APR 24 1989

AN INTENSE THUNDERSTORM DEVELOPED IN WEST NEBRASKA THIS AFTERNOON.

AT 530 PM CDT AN INTENSE THUNDERSTORM WAS 10 MILES NORTHEAST OF TRYON
NEBRASKA IN MCPHERSON COUNTY OF WEST NEBRASKA.  THIS WOULD PLACE THE
THUNDERSTORM 35 MILES NORTH OF NORTH PLATTE NEBRASKA.  THE THUNDERSTORM
WAS MOVING SLOWLY NORTHEAST AT 10 MILES AN HOUR.

NORTH PLATTE NATIONAL WEATHER SERVICE RADAR WAS SHOWING POSSIBLE SMALL
HAIL WITH THIS STORM.  IF YOU LIVE IN NORTHEAST MCPHERSON COUNTY BE
PREPARED FOR DANGEROUS LIGHTNING...SOME HAIL...GUSTY WIND AND HEAVY
RAIN.  ALSO BE ALERPT TO ANY FAST CHANGES IN THE WEATHER.

THE THUNDERSTORM WAS GENERATED BY SOME COOLER AIR MOVING INTO WEST AND
NORTH CENTRAL NEBRASKA THIS AFTERNOON.

MEYER
Special weather statement, Apr 24, 6:41 PM CDT, 1 hour 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
635 PM CDT MON APR 24 1989

VERY STRONG THUNDERSTORMS MOVING ACROSS NORTH CENTRAL NEBRASKA THIS
AFTERNOON.

AT 630 PM CDT VERY STRONG THUNDERSTORMS WERE 10 MILES NORTH OF
STAPLETON NEBRASKA IN NORTH LOGAN COUNTY OF NORTH CENTRAL NEBRASKA.
THIS WOULD PLACE THE THUNDERSTORMS 35 MILES NORTH OF NORTH PLATTE
NEBRASKA.  THE THUNDERSTORMS CONTINUED TO MOVE SLOWLY EAST AT 5 TO 10
MILES AN HOUR.

IF YOU LIVE IN NORTH LOGAN COUNTY OF NORTH CENTRAL NEBRASKA BE PREPARED
FOR DANGEROUS LIGHTNING...HAIL...GUSTY WIND AND HEAVY RAIN.

CONDITIONS ARE FAVORABLE FOR THESE THUNDERSTORMS TO STRENGTHEN...SO
PLEASE STAY ALERT TO ANY SUDDEN CHANGES IN THE WEATHER AND BE PREPARED
TO MOVE TO A PLACE OF SHELTER IF NEEDED.
MEYER
Special weather statement, Apr 24, 7:42 PM CDT, 55 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
740 PM CDT MON APR 24 1989

STRONG THUNDERSTORMS CONTINUE TO MOVE ACROSS NORTH CENTRAL NEBRASKA
THIS EVENING.

AT 730 PM CDT STRONG THUNDERSTORMS WERE 25 MILES NORTHWEST OF BROKEN
BOW NEBRASKA IN CUSTER COUNTY.  THE THUNDERSTORMS WERE 40 MILES
NORTHEAST OF NORTH PLATTE NEBRASKA.  MOVEMENT OF THE STORMS WERE TO
THE EAST AT 15 MILES AN HOUR.

WEAKER THUNDERSTORMS STILL LINGERED IN EAST CENTRAL LOGAN COUNTY OF
NORTH CENTRAL NEBRASKA.

IF YOU LIVE IN NORTHERN CUSTER COUNTY OR EAST CENTRAL LOGAN COUNTY BE
PREPARED FOR LOCALLY HEAVY RAIN...DANGEROUS LIGHTNING...GUSTY WIND AND
SOME HAIL.

MEYER

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 24, 7:43 PM CDTSevere Thunderstorm WarningLBFBlaine, Loup62 min
Apr 24, 8:46 PM CDTSevere Thunderstorm WarningLBFCuster29 min
Apr 24, 9:15 PM CDTSevere Thunderstorm WarningLBFWheeler45 min
Apr 24, 10:30 PM CDTSevere Thunderstorm WarningLBFMadison, Pierce, Stanton, Wayne45 min
Apr 24, 11:03 PM CDTSevere Thunderstorm WarningLBFCuming27 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1989Every severe thunderstorm warning in 1989

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.