Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 30, NWS North Platte, NE

June 12, 1990Custer County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 12, 1990, 9:32 PM CDT for Custer County, Nebraska. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jun 12, 1990, 9:32 PM CDT (02:32 UTC)
Expired
Jun 12, 1990, 10:30 PM CDT
In force
58 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Custer County, NE

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.5 hours before the alert went out and 79 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 1990-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1990-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3137 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
151 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBF 130232
SVRLBF
NEC041-130330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORTH PLATTE NE
932 PM CDT TUE JUN 12 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1030 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE CENTRAL PART OF NEBRASKA
      SOUTHERN CUSTER

AT 925 PM CDT RADAR DETECTED A SEVERE THUNDERSTORM IN SOUTHWEST
CUSTER COUNTY...ABOUT 5 MILES SOUTH OF CALLAWAY NEBRASKA...OR
35 MILES EAST NORTHEAST OF NORTH PLATTE.

THIS THUNDERSTORM WAS MOVING TO THE NORTHEAST AT 50 MILES AN HOUR.

IF YOU ARE IN THE AREA THREATENED BY THE STORM...GO TO A REINFORCED
SHELTER AND PREPARE FOR STRONG DAMAGING WIND...LARGE HAIL...VERY
HEAVY RAIN...AND DEADLY LIGHTNING.

REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE A
TORNADO WITH LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT!!

 SJC 0231Z

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 12, 6:15 PM CDT, 3 hours 17 minutes before
NEZ006-012-130000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
610 PM CDT TUE JUN 12 1990

PERSONS IN SOUTHWEST PORTIONS OF NEBRASKA SHOULD PREPARE FOR
WINDS SHIFTING SHARPLY FROM THE SOUTH TO THE WEST OR NORTHWEST
AND INCREASING TO 25 TO 35 MILES AN HOUR THIS EVENING FOR
A PERIOD OF A COUPLE HOURS.

BOATERS AND THOSE WITH OUTDOOR INTERESTS ON LAKE MCCONAUGHY
SHOULD TAKE THE NECESSARY PRECAUTIONS BEFORE THESE STRONG
WINDS hARRIVE.

WIND GUSTS IN EXCESS OF 40 MILES AN HOUR HAVE ALREADY BEEN
REPORTED ACROSS THE PANHANDLE...ALONG WITH PARTS OF NORTH CENTRAL
AND CENTRAL NEBRASKA.

SJC
Special weather statement, Jun 12, 9:11 PM CDT, 21 minutes before
NEZ007-012-130245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
906 PM CDT TUE JUN 12 1990

THUNDERSTORMS HAD DEVELOPED RAPIDLY OVER A SMALL PART OF EASTERN
LINCOLN COUNTY...NEAR THE TOWN OF BRADY NEBRASKA.  BRADY IS
LOCATED 15 MILES EAST SOUTHEAST OF NORTH PLATTE.

THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AROUND 45 MILES
AN HOUR.

THESE THUNDERSTORMS MAY CONTAIN BRIEF HEAVY RAIN...SMALL HAIL...
AND GUSTY WINDS...AND WILL BE MOVING INTO SOUTHERN AND CENTRAL
CUSTER COUNTY...INCLUDING BROKEN BOW...BY AROUND 945 PM CDT.

SJC
Special weather statement, Jun 12, 9:14 PM CDT, 18 minutes before
NEZ007-012-130245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
906 PM CDT TUE JUN 12 1990

AT 900 PM CDT THUNDERSTORMS HAD DEVELOPED RAPIDLY OVER A SMALL PART
OF EASTERN LINCOLN COUNTY...NEAR THE TOWN OF BRADY NEBRASKA.  BRADY IS
LOCATED 15 MILES EAST SOUTHEAST OF NORTH PLATTE.

THE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AROUND 45 MILES
AN HOUR.

THESE THUNDERSTORMS MAY CONTAIN BRIEF HEAVY RAIN...SMALL HAIL...
AND GUSTY WINDS...AND WILL BE MOVING INTO SOUTHERN AND CENTRAL
CUSTER COUNTY...INCLUDING BROKEN BOW...BY AROUND 945 PM CDT.

SJC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 8:35 PM CDTTornado WarningLBFBoone, Platte25 min
Jun 12, 9:00 PM CDTTornado WarningLBFBoone, Madison, Platte30 min
Jun 12, 9:21 PM CDTTornado WarningLBFMadison, Stanton, Wayne39 min
Jun 12, 9:51 PM CDTSevere Thunderstorm WarningLBFBoone39 min
Jun 12, 10:01 PM CDTTornado WarningLBFCuster29 min
Jun 12, 10:31 PM CDTSevere Thunderstorm WarningLBFMadison, Platte, Stanton44 min
Jun 12, 10:31 PM CDTSevere Thunderstorm WarningLBFBoone44 min
Jun 12, 11:16 PM CDTSevere Thunderstorm WarningLBFCuming, Madison, Pierce, Stanton, Wayne59 min
Jun 12, 11:16 PM CDTSevere Thunderstorm WarningLBFPlatte59 min
Jun 13, 12:13 AM CDTSevere Thunderstorm WarningLBFColfax, Cuming, Stanton62 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1990Every severe thunderstorm warning in 1990

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.