Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 1, NWS Cheyenne, WY

May 7, 1990Garden County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at May 7, 1990, 7:02 PM MDT for Garden County, Nebraska. It was in force for 33 min.

The area

The counties it named.

The facts

Issued
May 7, 1990, 7:02 PM MDT (01:02 UTC)
Expired
May 7, 1990, 7:35 PM MDT
In force
33 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Garden 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 00:00Z, 1.0 hours before the alert went out and 155 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 00:00Z on 1990-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 159 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 00:00Z on 1990-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
159 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
3040 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
139 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 KBFF 080102
SVRBFF
NEC069-080200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
702 PM MDT MON MAY 7 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 800 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE PANHANDLE OF NEBRASKA
      SOUTHERN GARDEN

AT 700 PM MDT...RADAR INDICATED A SEVERE THUNDERDSTORM 5 MILES
WEST OF OSHKOSH NEBRASKA...OR 30 MILES NORTHEAST OF SIDNEY NEBRASKA
IN SOUTHERN GARDEN COUNTY OF THE NEBRASKA PANHANDLE.  THE STORM WAS
MOVING NORTHEAST AT 25 MPH. AND WILL BE OVER THE CITY OF OSHKOSH
AROUND 710 PM MDT.

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.

IF THREATENING WEATHER APPROACHES...TAKE SHELTER INSIDE A REINFORCED
BUILDING.  STAY AWAY FROM WINDOWS.  A BASEMENT...INTERIOR HALLWAY...
OR Aj ROOM ON THE LOWEST FLOOR IS THE SAFEST PLACE IN MOST BUILDINGS.
MOTORISTS SHOULD AVOID LOW WATER CROSSINGS.

PLISCHKE

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 7, 4:36 PM MDT, 2 hours 26 minutes before
WYZALL-080230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
435 PM MDT MON MAY 7 1990

A COLD FRONT WAS PUSHING THROUGH THE SOUTHEAST CORNER OF WYOMING LATE
THIS AFTERNOON.  BRISK NORTH TO NORTHWEST WINDS OF 15 TO 30 MILES AN
HOUR AND MUCH COOLER TEMPERATURES WERE NOTED BEHIND THE FRONT.

NUMEROUS SHOWERS AND THUNDERSTORMS WERE NOTED ALONG AND JUST BEHIND
THE COLD FRONT IN SOUTHEAST WYOMING AT 415 PM.

SCATTERED SHOWERS AND A FEW THUNDERSTORMS WILL BE NOTED TONIGHT OVER
EASTERN WYOMING.  SOME RAIN AND SNOW SHOWERS WILL ALSO SPREAD INTO
FAR NORTHWEST WYOMING LATER TONIGHT.

AN AREA OF LOW PRESSURE WILL SETTLE OVER WYOMING ON TUESDAY.  SHOWERS
WILL BECOME LIKELY OVER ALL BUT THE FAR SOUTHWEST PART OF THE STATE
BY TUESDAY AFTERNOON.  THE SHOWERS WILL BE SNOW IN THE MOUNTAINS ON
TUESDAY...WITH RAIN CHANGING TO SNOW AT LOWER ELEVATIONS TUESDAY NIGHT.
<
WITH THE COOL AND SHOWERY WEATHER SETTLING INTO THE STATE...RBANCHERS
MAY WISH TO TAKE PRECAUTIONS TO PROTECT THEIR YOUNG OR WEAK ANIMALS.

HATTEN
Special weather statement, May 7, 4:38 PM MDT, 2 hours 24 minutes before
NEZ001-080000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
437 PM MDT MON MAY 7 1990

...A THUNDERSTORM HAS MOVED INTO THE NEBRASKA PANHANDLE...

AT 430 PM MT...RADAR INDICATED A THUNDERSTORM 25 MILES NORTH OF
SCOTTSBLUFF NEBRASKA IN SOUTH SIOUX COUNTY OF THE NEBRASKA PANHANDLE.
THIS STORM WAS MOVING EAST AT 25 MPH AND WILL ENTER NORTH BOX BUTTE
COUNTY AT AROUND 5 PM MDT.

BRIEF HEAVY RAIN...STRONG WIND AND SMALL HAIL ARE POSSIBLE WITH THIS
THUNDERSTORM AS IT MOVES ACROSS SIOUX AND BOX BUTTE COUNTIES OF THE
NEBRASKA PANHANDLE UNTIL 600 PM MDT.
PLISCHKE
Special weather statement, May 7, 4:40 PM MDT, 2 hours 22 minutes before
NEZ001-080000-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
437 PM MDT MON MAY 7 1990

...A THUNDERSTORM HAS MOVED INTO THE NEBRASKA PANHANDLE...

AT 430 PM MDT...RADAR INDICATED A THUNDERSTORM 25 MILES NORTH OF
SCOTTSBLUFF NEBRASKA IN SOUTH SIOUX COUNTY OF THE NEBRASKA PANHANDLE.
THIS STORM WAS MOVING EAST AT 25 MPH AND WILL ENTER NORTH BOX BUTTE
COUNTY AT AROUND 5 PM MDT.

BRIEF HEAVY RAIN...STRONG WIND AND SMALL HAIL ARE POSSIBLE WITH THIS
THUNDERSTORM AS IT MOVES ACROSS SIOUX AND BOX BUTTE COUNTIES OF THE
NEBRASKA PANHANDLE UNTIL 600 PM MDT.
PLISCHKE
Special weather statement, May 7, 5:15 PM MDT, 1 hour 47 minutes before
NEZ001-005-011-080100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
515 PM MDT MON MAY 7 1990

...THUNDERSTORM ACTIVITY HAS INCREASED ACROSS THE NEBRASKA PANHANDLE...

AT 510 PM MDT...RADAR INDICATED THAT MORE THUNDERSTORMS HAVE DEVELOPED
IN THE NEBRASKA PANHANDLE.  THE STRONGEST STORMS WERE LOCATED 15 MILES
WEST OF SIDNEY NEBRASKA IN WESTERN CHEYENNE COUNTY...18 MILES NORTHWEST
OF SCOTTSBLUFF NEBRASKA IN THE SOUTHWEST CORNER OF SIOUX COUNTY...AND
35 MILES SOUTHWEST OF CHADRON NEBRASKA OVER THE SOUTHWEST CORNER OF
DAWES COUNTY.  THE STORMS WERE MOVING NORTHEAST AT 20 MPH.

BRIEF HEAVY RAIN...STRONG WIND AND SMALL HAIL ARE POSSIBLE WITH THESE
THUNDERSTORMS AS THEY MOVE ACROSS CHEYENNE....SIOUX....AND DAWES
COUNTIES OF THE NEBRASKA PANHANDLE UNTIL 700 PM MDT.
PLISCHKE
Special weather statement, May 7, 6:41 PM MDT, 21 minutes before
NEZ001-005-011-080200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
640 PM MDT MON MAY 7 1990

...THUNDERSTORMS CONTINUE TO RUMBLE THROUGH THE NEBRASKA PANHANDLE...

AT 635 PM MDT...RADAR INDICATED THUNDERSTORMS IN THE NEBRASKA PANHANDLE.
THE STRONGEST STORMS WERE LOCATED IN A LINE EXTENDING FROM 10 MILES
NORTH OF SCOTTSBLUFF NEBRASKA SOUTH TO 8 MILES EAST OF KIMBALL NEBRASKA.
THIS LINE OF STORMS PASSES THROUGH THE COUNTIES OF SOUTHERN SIOUX...
SCOTTS BLUFF...BANNER...AND KIMBALL.  OTHER STRONG STORMS WERE ALSO
LOCATED 15 MILES NORTHEAST OF SIDNEY NEBRASKA IN NORTHEAST CHEYENNE
COUNTY...20 MILES SOUTHWEST OF ALLIANCE NEBRASKA IN MORRILL COUNTY...
AND 15 MILES SOUTHEAST OF CHADRON NEBRASKA IN NORTHERN SHERIDAN COUNTY.
THE STORMS WERE MOVING NORTHEAST AT 20 MPH.

BRIEF HEAVY RAIN...STRONG WIND AND SMALL HAIL ARE POSSIBLE WITH THESE
THUNDERSTORMS AS THEY MOVE ACROSS THE NEBRASKA PANHANDLE UNTIL 800 PM
MDT.
PLISCHKUE

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.