Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 19, NWS North Platte, NE

June 1, 1990Lincoln County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 1, 1990, 6:00 PM CDT for Lincoln County, Nebraska. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Jun 1, 1990, 6:00 PM CDT (23:00 UTC)
Expired
Jun 1, 1990, 7:00 PM CDT
In force
60 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Lincoln 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 12:00Z, 11.0 hours before the alert went out and 15 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 12:00Z on 1990-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1619 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 12:00Z on 1990-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 183 square meters per square second.19395878Sfc1 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
1619 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
612 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
183 m²/s²
0-3 km storm-relative helicity
164 m²/s²
Significant tornado parameter
1.0
Supercell composite
5.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBF 012300
SVRLBF
NEC111-020000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORTH PLATTE NE
600 PM CDT FRI JUN 1 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 700 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE SOUTHWEST PART OF NEBRASKA
      EASTERN LINCOLN

AT 555 PM CDT RADAR INDICATES SEVERE THUNDERSTORM 15 MILES
SOUTH SOUTHEAST OF NORTH PLATTE, NEBRASKA. THE COMMUNITIES INCLUDED
ARE MAXWELL AND BRADY. THE THUNDERSTORM ARE MOVING NORTH NORTHEAST
AT 30 MILES PER 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.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH...
LARGE HAIL GREATER THAN 3/4 INCH IN DIAMETER...DEADLY LIGHTNING
AND VERY HEAVY RAIN THAT CAN FLOOD A LOW LYING AREA QUICKLY.

A TORNADO TWATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

 HETZKE

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 1, 4:16 PM CDT, 1 hour 44 minutes before
NEZ006-012210-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
310 PM MDT FRI JUN 1 1990

...TORNADO WATCH IN EFFECT WESTERN AND CENTRAL NEBRASKA UNTIL
9 PM MDT.

AT 310 PM MDT INTENSE THUNDERSTORMS WERE MOVING INTO SOUTHWEST
GRANT COUNTY. THIS IS 75 MILES NORTHWEST OF NORTH PLATTE NEBRASKA.
THESE THUNDERSTORMS MAY PRODUCE HEAVY RAIN, HAIL, GUSTY SURFACE WINDS,
AND DANGEROUS LIGHTNING.

THE THUNDERSTORMS WERE MOVING NORTHNORTHEAST AT 20 MPH.

SMALLFIELD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 3:34 PM CDTSevere Thunderstorm WarningLBFCherry56 min
Jun 1, 4:33 PM CDTSevere Thunderstorm WarningLBFCherry57 min
Jun 1, 4:39 PM CDTSevere Thunderstorm WarningLBFArthur, Grant66 min
Jun 1, 5:05 PM CDTSevere Thunderstorm WarningLBFGrant55 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.