Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 33, NWS North Platte, NE

June 12, 1990Boone County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 12, 1990, 10:31 PM CDT for Boone County, Nebraska. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Jun 12, 1990, 10:31 PM CDT (03:31 UTC)
Expired
Jun 12, 1990, 11:15 PM CDT
In force
44 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Boone 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

Omaha, NE (KOAX), launched 00:00Z, 3.5 hours before the alert went out and 148 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, Omaha, 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, Omaha, NE at 00:00Z on 1990-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 227 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
3586 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
227 m²/s²
0-3 km storm-relative helicity
349 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 KOFK 130331
SVROFK
NEC011-141-119-167-130415-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORFOLK NE
1031 PM CDT TUE JUN 12 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1115 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE NORTHEAST PART OF NEBRASKA
      BOONE...PLATTE...MADISON...STANTON

AT 1030 PM CDT RADAR AT NORFOLK INDICATED A LARGE AREA OF SEVERE
THUNDERSTORMS FROM 25 MILES SOUTH OF NORFOLK TO 35 MILES
SOUTHWEST OF NORFOLK MOVING NORTHEAST AT 40 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.

THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH...PREPARE FOR
DAMAGING WINDS...LARGE HAIL...AND DEADLY LIGHTNING.  PEOPLE OUTSIDE
SHOULD MOVE TO SHELTER...PREFERABLY INSIDGE A STRONG BUILDING.  ONCE
INSIDE...STAY AWAY FROM WINDOWS.

 A TORNADO WATCH REMAINS IN EFFECT FOR MOST OF NORTHEAST NEBRASKA
 UNTIL 100 AM CDT.

 MILLER

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, 4 hours 16 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, 1 hour 20 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, 1 hour 17 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, 9:32 PM CDTSevere Thunderstorm WarningLBFCuster58 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, 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.