Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 32, NWS Cheyenne, WY

June 6, 1990Banner County, Kimball County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 6, 1990, 8:12 PM MDT for Banner County, Kimball County, Nebraska. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
Jun 6, 1990, 8:12 PM MDT (02:12 UTC)
Expired
Jun 6, 1990, 9:09 PM MDT
In force
57 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

Counties Banner County, NE, Kimball 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

Denver, CO (KDEN), launched 00:00Z, 2.2 hours before the alert went out and 172 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, Denver, CO at 00:00Z on 1990-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1329 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 1990-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -27 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
1329 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
2428 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
-27 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBFF 070212
SVRBFF
NEC007-105-070315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
812 PM MDT WED JUN 6 1990

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

   IN THE PANHANDLE OF NEBRASKA
      SOUTHERN BANNER...NORTHERN KIMBALL

AT 809 PM MDT...A SEVERE THUNDERSTORM WAS 40 MILES SOUTHWEST OF
SCOTTSBLUFF NEBRASKA...OR 20 MILES NORTHWEST OF KIMBALL...ENTERING
THE NEBRASKA PANHANDLE ALONG THE BANNER/KIMBALL COUNTY LINE.  THIS
STORM WAS MOVING EAST AT 25 MILES AN HOUR.

ONE INCH DIAMETER HAIL HAS BEEN REPORTED WITH THIS STORM NEAR ALBIN
...IN LARAMIE COUNTY OF WYOMING.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE
OR NO ADVANCE WARNING.

GIVE REPORTS OF SEVERE WEATHER OR DAMAGE TO A LAW ENFORCEMENT AGENCY
FOR RELAY TO THE NATIONAL WEATHER SERVICE.

PFEIFFER

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 6, 4:28 PM MDT, 3 hours 44 minutes before
WYZ012-017-062330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
326 PM MDT WED JUN 6 1990

...A TORNADO WATCH CONTINUES FOR SOUTHEAST WYOMING UNTIL 9 PM...

AT 320 PM MDT SHOWERS AND THUNDERSTORMS CONTINUED ACROSS SOUTHEAST
WYOMING. THE STRONGEST STORM WAS LOCATED JUST WEST OF WHEATLAND. ALL
STORMS WERE MOVING EAST AT 35 MILES AN HOUR.

THUNDERSTORMS WILL CONTINUE ACROSS SOUTHEAST WYOMING THE REST OF
THIS EVENING. THESE STORMS WILL PRODUCE FREQUENT LIGHTNING...STRONG
WINDS...AND HAIL. SOME STORMS MAY PRODUCE TORNADOS. IF YOU DO
OBSERVE A TORNADO...TAKE SHELTER IMMEDIATELY.

MENTZER
Special weather statement, Jun 6, 4:30 PM MDT, 3 hours 42 minutes before
WYZ012-017-062330-

SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE CHEYENNE WY
426 PM MDT WED JUN 6 1990

...A TORNADO WATCH CONTINUES FOR SOUTHEAST WYOMING UNTIL 9 PM...

AT 420 PM MDT SHOWERS AND THUNDERSTORMS CONTINUED ACROSS SOUTHEAST
WYOMING. THE STRONGEST STORM WAS LOCATED JUST WEST OF WHEATLAND. ALL
STORMS WERE MOVING EAST AT 35 MILES AN HOUR.

THUNDERSTORMS WILL CONTINUE ACROSS SOUTHEAST WYOMING THE REST OF
THIS EVENING. THESE STORMS WILL PRODUCE FREQUENT LIGHTNING...STRONG
WINDS...AND HAIL. SOME STORMS MAY PRODUCE TORNADOS. IF YOU DO
OBSERVE A TORNADO...TAKE SHELTER IMMEDIATELY.

MENTZER
Special weather statement, Jun 6, 5:32 PM MDT, 2 hours 40 minutes before
NEZ001-005-070030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
0530 PM MDT WED JUN 6 1990

...THUNDERSTORMS MOVING INTO THE CENTRAL NEBRASKA PANHANDLE...

AT 0525 PM MDT...A STRONG THUNDERSTORMS MOVING INTO SCOTTS BLUFF AND
SOUTHERN SIOUX COUNTIES OF THE NEBRASKA PANHANDLE.  THE STORM IS
LOCATED 15 MILES WEST OF SCOTTBLUFF OF SCOTTS BLUFF COUNTY.  THE STORM
IS MOVING NORTHEAST AT 35 MPH.

BRIEF HEAVY RAIN...GUSTY WIND...DANyGEROUS LIGHTNING...AND SOME SMALL
HAIL IS LIKELY WITH THIS THUNDERSTORMS AS IT MOVES THROUGH SCOTTS BLUFF
AND SOUTHERN SIOUX COUNTIES OF THE WESTERN NEBRASKA PANHANDLE UNTIL 630
PM MDT.
SALMONS
Special weather statement, Jun 6, 5:57 PM MDT, 2 hours 15 minutes before
WYZ012-017-070130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
555 PM MDT WED JUN 6 1990

...TORNADO WATCH FOR SOUTHEAST WYOMING UNTIL 9PM TONIGHT...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 9PM TONIGHT FOR PARTS OF
SOUTHEASTERN WYOMING.

AT 545 PM SCATTERED THUNDERSTORMS EXTENDED FROM THE MOUNTAINS WEST OF
CHEYENNE AND CHUGWATER...WHICH IS ABOUT 20 MILES SOUTH OF WHEATLAND...
NORTHEAST TO THE NEBRASKA BORDER.  THESE STORMS WERE MOVING NORTHEAST
ABOUT 30 MILES AN HOUR.

BETWEEN 445 PM AND 515 PM THIS EVENING A STORM PRODUCED HAIL BETWEEN
ONE QUARTER OF AN INCH AND THREE QUARTERS OF AN INCH IN DIAMETER
APPROXIMATELY 20 MILES NORTHEAST OF WHEATLAND AT GUERNSEY...AND$ ABOUT
20 MILES SOUTH OF LUSK NEAR JAY EM.
<
PEOPLE IN SOUTHEAST WYOMING SHOULD KEEP ABREAST OF THE LATEST
DEVELOPMENTS.  BE PREPARED TO TAKE SHELTER IF THREATENING WEATHER
APPROACHES.

CGB
Special weather statement, Jun 6, 6:08 PM MDT, 2 hours 4 minutes before
WYZ013-014-070100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
610 PM MDT WED JUN 6 1990

...THUNDERSTORMS DEVELOP OVER SOUTHWEST WYOMING...

AT 600 PM MDT RADAR AND SATELLITE IMAGERY INDICATED THAT SHOWERS
AND THUNDERSTORMS HAD DEVELOPED FROM EVANSTON TO RAWLINS. THE
STORMS WERE MOVING EAST AT 30 MILES AN HOUR.

THUNDERSTORMS WILL CONTINUE UNTIL SUNSET...THEN WILL SLOWLY
DECREASE. SOME OF THESE STORMS MAY PRODUCE GUSTY W1INDS AND FREQUENT
LIGHTNING.

MENTZER
Special weather statement, Jun 6, 7:40 PM MDT, 32 minutes before
NEZ001-005-011-070215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
740 PM MDT WED JUN 6 1990

...TORNADO WATCH FOR NEBRASKA PANHANDLE UNTIL 9 PM MDT...
...THUNDERSTORMS MOVING ACROSS NEBRASKA PANHANDLE...

AT 738 PM MDT...STRONG THUNDERSTORMS CONTINUE TO MOVE ACROSS THE
NEBRASKA PANHANDLE.  THE STRONGEST STORM WAS LOCATED 20 MILES SOUTH OF
SCOTTSBLUFF NEBRASKA IN BANNER COUNTY.  THE STORM WAS MOVING EAST AT
25 MILES AN HOUR.C

BRIEF HEAVY RAIN...GUSTY WIND...AND SOME HAIL IS LIKELY WITH THIS
THUNDERSTORM AS IT MOVES THROUGH BANNER COUNTY UNTIL 815 PM MDT.
SALMONS

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 6, 6:00 PM MDTSevere Thunderstorm WarningCYSSioux40 min
Jun 6, 10:12 PM MDTSevere Thunderstorm WarningCYSBanner, Kimball28 min
Jun 7, 1:53 AM MDTSevere Thunderstorm WarningCYSBanner67 min
Jun 7, 2:07 AM MDTSevere Thunderstorm WarningCYSBanner, Morrill, Scotts Bluff48 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.