Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 39, NWS North Platte, NE

June 14, 1990Antelope County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 14, 1990, 7:29 PM CDT for Antelope County, Nebraska. It was in force for 61 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 14, 1990, 7:29 PM CDT (00:29 UTC)
Expired
Jun 14, 1990, 8:30 PM CDT
In force
61 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

TimeReportWhereRemark
Jun 14, 7:45 PM CDTHail 1.75Antelope, NE
Jun 14, 8:05 PM CDTHail 1.75Antelope, NE
Jun 14, 8:35 PM CDTHail 0.75Antelope, 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 00:00Z, 0.5 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.

Skew-T log-pSkew-T log-p diagram, Omaha, NE at 00:00Z on 1990-06-15Temperature 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 1990-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3606 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
209 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 150029
SVROFK
NEC003-150130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORFOLK NE
729 PM CDT THU JUN 14 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 830 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE NORTHEAST PART OF NEBRASKA
      ANTELOPE

AT 725 PM CDT NORFOLK RADAR INDICATED A SEVERE THUNDERSTORM LIKELY
PRODUCING LARGE DAMAGING HAIL 25 TO 30 MILES SOUTHEAST OF ONEILL
OR JUST SOUTHEAST OF EWING.  THE STORM WAS MOVING EAST AT 20 MPH
AND WILL LIKELY AFFECT THE TOWNS OF ROYAL...ORCHARD...BRUNSWICK...
CLEARWATER...AND NELIGH.

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.

PEOPLE IN THE PATH OF THIS STORM SHOULD MOVE INSIDE A STRONG
BUILDING.  FOR YOUR PROTECTION MOVE {TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS.  HEAVY RAINS QUICKLY FLOOD
ROADWAYS...DO NOT DRIVE INTO WATER COVERED ROADWAYS.

 MILLER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 8:12 PM CDTSevere Thunderstorm WarningLBFAntelope, Pierce48 min
Jun 14, 8:12 PM CDTSevere Thunderstorm WarningLBFCedar48 min
Jun 14, 8:57 PM CDTSevere Thunderstorm WarningLBFMadison, Wayne48 min
Jun 14, 9:44 PM CDTSevere Thunderstorm WarningLBFMadison, Stanton46 min
Jun 14, 10:24 PM CDTSevere Thunderstorm WarningLBFColfax, Madison, Platte, Stanton51 min
Jun 14, 10:48 PM CDTFlash Flood WarningLBFColfax, Platte, Stanton3 hr
Jun 14, 10:48 PM CDTFlash Flood WarningLBFMadison3 hr
Jun 14, 11:17 PM CDTSevere Thunderstorm WarningLBFAntelope28 min
Jun 15, 1:54 AM CDTFlash Flood WarningLBFColfax, Madison, Platte, Stanton3 hr
Jun 15, 5:08 AM CDTFlash Flood WarningLBFColfax, Platte3 hr
Jun 15, 5:08 AM CDTFlash Flood WarningLBFAntelope3 hr
Jun 15, 6:02 PM CDTSevere Thunderstorm WarningLBFChase, Dundy58 min
Jun 15, 6:14 PM CDTSevere Thunderstorm WarningLBFKeith61 min
Jun 15, 6:26 PM CDTTornado WarningLBFPerkins34 min
Jun 15, 6:37 PM CDTTornado WarningLBFHayes38 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.