Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 6, NWS North Platte, NE

May 15, 1990Antelope County, Madison County, Pierce County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 15, 1990, 8:16 PM CDT for Antelope County, Madison County, Pierce County, Nebraska. It was in force for 24 min.

The area

The counties it named.

The facts

Issued
May 15, 1990, 8:16 PM CDT (01:16 UTC)
Expired
May 15, 1990, 8:40 PM CDT
In force
24 min
Issued by
NWS North Platte, NE
Area
Whole counties

Counties Antelope County, NE, Madison County, NE, Pierce 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, 1.3 hours before the alert went out and 145 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 1990-05-16Temperature 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 1990-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 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
3604 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
92 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 160116
SVROFK
NEC003-119-139-160215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORFOLK NE
816 PM CDT TUE MAY 15 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 915 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE NORTHEAST PART OF NEBRASKA
      ANTELOPE...NORTHERN MADISON...PIERCE

AT SHORTLY AFTER 8 PM A SPOTTER REPORTED SEEING A TORNADO ON
THE GROUND AT THE INTERSECTIONS OF STATE HIGHWAYS 14 AND 20...
OR ABOUT ABOUT 15 MILES NORTH OF NELIGH.

NORFOLK RADAR INDICATED POSSIBLE SEVERE THUNDERSTORMS FROM NEAR
NELIGH EXTENDING TO JUST WEST OF MEADOW GROVE. THESE STORMS WILL
BE MOVING INTO THE NORFOLK TO PIERCE AREAS IN THE NEXT HOUR.

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 INSIDE A STRONG BUILDING.  ONCE
INSIDE...STAY AWAY FROM WINDOWS.

 KH

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, May 15, 7:23 PM CDT, 53 minutes before
NEZ016-160120-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
620 PM MDT TUE MAY 15 1990

AT 620 PM MDT...THUNDERSTORMS WERE INCREASING IN INTENSITY AND AREAL
COVERAGE ACROSS EXTREME SOUTHWEST NEBRASKA.  THESE THUNDERSTORMS WERE
MOVING EAST INTO CHASE COUNTY OF NEBRASKA FROM NORTHEAST COLORADO.

THUNDERSTORMS WITH VERY HEAVY RAIN...ALONG WITH POSSIBLE GUSTY
WINDS AND HAIL WAS JUST NORTH OF THE TOWN OF LAMAR NEBRASKA.  LAMAR
IS LOCATED ABOUT 65 MILES SOUTHWEST OF NORTH PLATTE.

THE THUNDERSTORMS WERE MOVING TO THE EAST AROUND 25 MILES AN HOUR.

PERSONS IN CHASE COUNTY AND EXTREME SOUTHWEST NEBRASKA SHOULD BE
PREPARED FOR THE POSSIBILITY OF SEVERE WEATHER DURING THE NEXT
HOUR AND TAKE THE NECESSARY PRECAUTIONS.
CARMEL

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.