Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 35, NWS Cheyenne, WY

June 7, 1990Banner County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 7, 1990, 1:53 AM MDT for Banner County, Nebraska. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
Jun 7, 1990, 1:53 AM MDT (07:53 UTC)
Expired
Jun 7, 1990, 3:00 AM MDT
In force
67 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Banner 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, 7.9 hours before the alert went out and 191 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 070753
SVRBFF
NEC007-070900-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
153 AM MDT THU JUN 7 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 300 AM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE PANHANDLE OF NEBRASKA
      BANNER

AT 149 AM MDT...RADAR INDICATED A SEVERE THUNDERSTORM 17 MILES SOUTH
OF SCOTTSBLUFF NEBRASKA...OR 3 MILES NORTH OF HARRISBURG NEBRASKA.
THE STORM WAS MOVING EAST AT 35 MILES AN HOUR.

PREPARE FOR LARGE HAIL...DAMAGING WIND...HEAVY RAIN AND DANGEROUS
LIGHTNING BY TAKING COVER.  STAY AWAY FROM AREAS WHERE LOOSE ITEMS
CAN BECOME DANGEROUS FLYING DEBRIS.

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.

WIRTH

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, 11:12 PM MDT, 2 hours 41 minutes before
WYZ012-017-070540-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
1110 PM MDT WED JUN 6 1990

...A TORNADO WATCH CONTINUES FOR SOUTHEAST WYOMING UNTIL 200 AM MDT
THURSDAY MORNING...

A LINE OF THUNDERSTORMS HAD DEVELOPED SINCE 1045 PM AND EXTENDED FROM
EAST OF DOUGLAS TO NORTH OF LARAMIE.  THE LINE WAS MOVING EAST AROUND
25 MILES AN HOUR.  HEAVY RAIN AND SMALL HAIL WERE REPORTED WITH ONE OF
THE STORMS IN THE LINE AT GLENDO...SOME 25 MILES SOUTHEAST OF DOUGLAS
...AROUND 1100 PM.

PEOPLE IN SOUTHEAST WYOMING SHOULD REMAIN ALERT FOR THUNDERSTORM
DEVELOPMENT UNTIL 200 AM MDT.  A FEW STORMS COULD STILL BECOME SEVERE
PRODUCING LARGE HAIL...DAMAGING WINDS AND POSSIBLY EVEN A TORNADO.

A TORNADO WATCH REMAINS IN EFFECT FOR SOUTHEAST WYOMING UNTIL 200 AM
MDT THURSDAY MORNING.

HATTEN
Special weather statement, Jun 6, 11:53 PM MDT, 2 hours before
NEZ001-005-011-070800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
1150 PM MDT WED JUN 6 1990

...A LINE OF THUNDERSTORMS WAS MOVING TOWARD THE NEBRASKA PANHANDLE...
...TORNADO WATCH FOR NEBRASKA PANHANDLE UNTIL 2 AM MDT...

AT 1145 PM MDT...A LINE OF VERY STRONG THUNDERSTORMS WAS MOVING ACROSS
EASTERN WYOMING AND WILL ENTER THE WESTERN NEBRASKA PANHANDLE AFTER
MIDNIGHT MDT.  THE LINE OF STORMS WAS MOVING EAST AT 35 MILES AN HOUR.

THE PROJECTED MOVEMENT OF THE STORMS WILL PLACE THE NORTHERN END OF THE
LINE INTO WESTERN SIOUX COUNTY OF THE NORTH NEBRASKA PANHANDLE AROUND
1215 AM MDT...AND INTO WESTERN SCOTTS BLUFF COUNTY OF THE CENTRAL
PANHANDLE BY 100 AM MDT.

BRIEF HEAVY RAIN...STRONG WIND AND HAIL ARE POSSIBLE WITH THE PASSAGE
OF THESE STORMS AS THEY MOVE ACROSS SIOUX AND SCOTTS BLUFF COUNTIES
OF THE NEBRASKA PANHANDLE UNTIL 200 AM MDT.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM MDT OVER THE ENTIRE
NEBSRASKA PANHANDLE.  THE NATIONAL WEATHER SERVICE IN SCOTTSBLUFF
NEBRASKA STRONGLY RECOMMENDS THAT YOU CONTINUE TO MONITOR THIS STATION
FOR FURTHER STATEMENTS OR WARNINGS.
WIRTH
Special weather statement, Jun 6, 11:57 PM MDT, 1 hour 56 minutes before
WYZ012-017-070630-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
1155 PM MDT WED JUN 6 1990

...A TORNADO WATCH CONTINUES FOR SOUTHEAST WYOMING UNTIL 200 AM MDT
THURSDAY MORNING...

AT 1145 PM MDT RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM
LUSK TO WHEATLAND WYOMING MOVING EAST AT 30 MILES AN HOUR.  HEAVY RAIN
AND PEA SIZE HAIL COVERING THE GROUND WERE COMMON WITH THE STORMS IN
THIS LINE.

THUNDERSTORMS WILL CONTINUE OVER SOUTHEAST WYOMING INTO EARLY THURSDAY
MORNING.  A FEW OF THE STORMS COULD STILL BECOME SEVERE UNTIL 200 AM
MDT PRODUCING LARGE HAIL...DAMAGING WINDS AND POSSIBLY EVEN A TORNADO.

A TORNADO WATCH REMAINS IN EFFECT FOR SOUTHEAST WYOMING UNTIL0 200 AM
MDT THURSDAY MORNING.
<
HATTEN
Special weather statement, Jun 7, 12:53 AM MDT, 1 hour before
NEZ001-005-011-070800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
1250 AM MDT WED JUN 6 1990

...STRONG THUNDERSTORMS WERE MOVING ACROSS THE NORTH NEBRASKA
PANHANDLE...
...TORNADO WATCH FOR NEBRASKA PANHANDLE UNTIL 2 AM MDT...

AT 1245 AM MDT...A LINE OF STRONG THUNDERSTORMS WAS MOVING ACROSS THE
CENTRAL AND NORTH NEBRASKA PANHANDLE FROM 20 MILES WEST OF CHADRON
NEBRASKA IN THE NORTH PANHANDLE TO 35 MILES WEST OF SCOTTSBLUFF NEBRASKA
IN THE CENTRAL PANHANDLE.  THE LINE OF STORMS WAS MOVING SOUTHEAST AT
25 MILES AN HOUR.

OTHER NUMEROUS THUNDERSTORMS HAD ALSO DEVELOPED AHEAD OF THE LINE OF
THUNDERSTORMS ACROSS BOX BUTTE...SIOUX AND DAWES COUNTIES IN THE
NORTHERN PANHANDLE.  THESE STORMS WERE MOVING EAST AT 30 MILES AN HOUR.

BRIEF HEAVY RAIN...STRONG WIND AND HAIL ARE POSSIBLE WITH THE PASSAGE
OF THESE STORMS OVER SCOTTS BLUFF COUNTY IN THE CENTRAL PANHANDLE...
AND SIOUX...DAWES...AND BOX BUTTE COUNTIES OF THE NORTH NEBRASKA
PANHANDLE UNTIL 200 AM MDT.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM MDT OVER THE ENTIRE
NEBRASKA PANHANDLE.  PEOPLE IN THE WATCH AREA SHOULD REMAIN ALERT
AND BE PREPARED TO MOVE TO A REINFORCED SHELTER IF THREATENING
WEATHER APPROACHES.
WIRTH
Special weather statement, Jun 7, 1:37 AM MDT, 16 minutes before
NEZ001-005-011-070830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
135 AM MDT WED JUN 6 1990

...A LINE OF STRONG THUNDERSTORMS CONTINUES TO DEVELOP AND MOVE
ACROSS THE NORTHERN AND WESTERN NEBRASKA PANHANDLE...
...TORNADO WATCH FOR NEBRASKA PANHANDLE UNTIL 2 AM MDT...

AT 130 AM MDT...A LINE OF STRONG THUNDERSTORMS CONTINUED TO DEVELOP
AN MOVE ACROSS THE NEBRASKA PANHANDLE FROM CHADRON NEBRASKA TO 10 MILES
NORTHWEST TO 45 MILES SOUTHWEST OF SCOTTSBLUFF NEBRASKA.  THE LINE
OF STORMS WAS MOVING SOUTHEAST AT 25 MILES AN HOUR.

OTHER NUMEROUS THUNDERSTORMS WERE ALSO AHEAD OF THE LINE OF
THUNDERSTORMS ACROSS THE NORTHERN PANHANDLE IN BOX BUTTE...DAWES AND
SHERIDAN COUNTIES.  THESE STORMS WERE MOVING EAST AT 35 MILES AN HOUR.

BRIEF HEAVY RAIN...STRONG WIND AND HAIL...ALONG WITH VERY DANGEROUS
LIGHTNING ARE LIKELY WITH THESE STORMS AS THEY MOVE ACROSS DAWES...
BOX BUTTE AND SHERIDAN COUNTIES OF THE NORTHERN NEBRASKA PANHANDLE
AND SCOTTS BLUFF AND BANNER COUNTIES OF THE CENTRAL PANHANDLE
AND KIMBALL COUNTY IN THE SOUTH PANHANDLE UNTIL 230 AM MDT THIS MORNING.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 AM MDT OVER THE ENTIRE
NEBRASKA PANHANDLE.  PEOPLE IN THE WATCH AREA SHOULD REMAIN ALERT
AND BE PREPARED TO MOVE TO A REINFORCED SHELTER IFT THREATENING
WEATHER APPROACHES.
WIRTH
Special weather statement, Jun 7, 1:50 AM MDT, 3 minutes before
WYZ012-017-070850-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
150 AM MDT THU JUN 7 1990

...THE TORNADO WATCH FOR SOUTHEAST WYOMING HAS BEEN ALLOWED TO
EXPIRE...

AT 145 AM MDT...RADAR AND SATELLITE INDICATED THAT THE LINE OF
THUNDERSTORMS IN SOUTHEAST WYOMING HAD MOVED RAPIDLY INTO WESTERN
NEBRASKA.  NO FURTHER THUNDERSTORM DEVELOPMENT IS EXPECTED THIS
MORNING OVER SOUTHEAST WYOMING.

ONCE AGAIN...THE TORNADO WATCH FOR SOUTHEAST WYOMING HAS BEEN ALLOWED
TO EXPIRE.

DJV

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, 8:12 PM MDTSevere Thunderstorm WarningCYSBanner, Kimball57 min
Jun 6, 10:12 PM MDTSevere Thunderstorm WarningCYSBanner, Kimball28 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.