Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 70, NWS Cheyenne, WY

July 7, 1990Garden County, Sheridan County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jul 7, 1990, 7:22 PM MDT for Garden County, Sheridan County, Nebraska. It was in force for 43 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 7, 1990, 7:22 PM MDT (01:22 UTC)
Expired
Jul 7, 1990, 8:05 PM MDT
In force
43 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

Counties Garden County, NE, Sheridan County, NE

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jul 7, 8:14 PM MDTHail 0.75Sheridan, NE

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.4 hours before the alert went out and 180 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 1990-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 505 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 1990-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 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
505 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
3366 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
26 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 080122
SVRBFF
NEC161-069-080230-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
722 PM MDT SAT JUL 7 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 830 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE PANHANDLE OF NEBRASKA
      SOUTHERN SHERIDAN...NORTHERN GARDEN

AT 720 PM MDT...A LINE OF SEVERE THUNDERSTORMS WERE LOCATED IN
SOUTHERN SHERIDAN AND NORTHERN GARDEN COUNTIES OF THE NEBRASKA
PANHANDLE.  THE LINE EXTENDED FROM 45 MILES NORTHEAST THROUGH
15 MILES SOUTHEAST OF ALLIANCE NEBRASKA AND WAS MOVING NORTHEAST AT
25 MPH.

THE TOWN OF LAKESIDE...23 MILES EAST OF ALLIANCE HAD 3/4 INCH HAIL.

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 REINFORC_ED
BUILDING.  STAY AWAY FROM WINDOWS.  A BASEMENT...INTERIOR HALLWAY...
OR A 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, Jul 7, 4:04 PM MDT, 3 hours 18 minutes before
NEZ001-005-011-072330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
404 PM MDT SAT JUL 7 1990

...THUNDERSTORMS ARE MOVING ACROSS THE NEBRASKA PANHANDLE...

AT 400 PM MDT...RADAR INDICATED THUNDERSTORMS IN THE NEBRASKA PANHANDLE.
THE STRONGEST WERE LOCATED 15 MILES WEST OF SCOTTSBLUFF NEBRASKA IN
WESTERN SCOTTS BLUFF COUNTY AND 10 MILES NORTH OF SIDNEY NEBRASKA IN
NORTHEAST CHEYENNE COUNTY.  THE STORMS WERE MOVING NORTHEAST ATg 25 MPH.

BRIEF HEAVY RAIN...STRONG WIND AND SMALL HAIL ARE POSSIBLE WITH THE
THUNDERSTORMS AS THEY MOVE ACROSS THE NEBRASKA PANHANDLE UNTIL
530 PM MDT.
PLISCHKE
Special weather statement, Jul 7, 5:25 PM MDT, 1 hour 57 minutes before
NEZ002-080100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE VALENTINE NE
ISSUED BY SCOTTSBLUFF NE
625 PM MDT SAT JUL 7 1990

...THUNDERSTORMS ARE DEVELOPING IN CHERRY COUNTY OF NORTHCENTRAL
NEBRASKA...

AT 620 CDT...RADAR INDICATED THUNDERSTORMS IN CHERRY COUNTY OF
NORTHCENTRAL NEBRASKA.  THE STRONGEST WERE LOCATED 45 MILES AND
75 MILES SOUTHWEST OF VALENTINE NEBRASKA AND WERE MOVING NORTHEAST
AT 25 MPH.

BRIEF HEAVY RAIN...STRONG WIND AND SMALL HAIL ARE POSSIBLE WITH THESE
STORMS OVER CHERRY COUNTY UNTIL 800 PM CDT.
PLISCHKE
Special weather statement, Jul 7, 5:32 PM MDT, 1 hour 50 minutes before
NEZ001-005-011-080100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
532 PM MDT SAT JUL 7 1990

...THUNDERSTORMS CONTINUE TO MOVE ACROSS THE NEBRASKA PANHANDLE...

AT 525 PM MDT...RADAR INDICATED THUNDERSTORMS IN THE NEBRASKA PANHANDLE.
THE STRONGEST WERE LOCATED 40 MILES AND 55 MILES NORTHEAST OF SIDNEY
NEBRASKA IN SHERIDAN COUNTY.  THE STORMS WERE MOVING NORTHEAST AT
25 MPH.

BRIEF HEAVY RAIN...STRONG WIND AND SMALL HAIL ARE POSSIBLE WITH THE
THUNDERSTORMS AS THEY MOVE ACROSS THE NEBRASKA PANHANDLE UNTIL
700 PM MDT.
PLISCHKE
Special weather statement, Jul 7, 6:52 PM MDT, 30 minutes before
NEZ001-005-011-080230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
650 PM MDT SAT JUL 7 1990

...THUNDERSTORMS CONTINUE TO MOVE ACROSS THE NEBRASKA PANHANDLE...

AT 645 PM MDT...RADAR CONTINUED TO INDICATE THUNDERSTORMS IN THE
NEBRASKA PANHANDLE.  THE STRONGEST STORMS WERE IN A LINE
FROM 60 MILES NORTHEAST OF ALLIANCE IN CHERRY COUNTY OF NORTHCENTRAL
NEBRASKA TO 15 MILES SOUTHEAST OF ALLIANCE IN NORTHERN GARDEN
AND SOUTHERN )SHERIDAN COUNTIES OF THE NEBRASKA PANHANDLE.
THE STORMS WERE MOVING NORTHEAST AT 25 MPH.

BRIEF HEAVY RAIN...STRONG WIND AND SMALL HAIL ARE POSSIBLE WITH THE
THUNDERSTORMS AS THEY MOVE ACROSS THE NEBRASKA PANHANDLE UNTIL
830 PM MDT.
PLISCHKE
Special weather statement, Jul 7, 6:59 PM MDT, 23 minutes before
NEZ002-080230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE VALENTINE NE
ISSUED BY SCOTTSBLUFF NE
758 PM CDT SAT JUL 7 1990

...THUNDERSTORMS IN CHERRY COUNTY OF NORTHCENTRAL NEBRASKA...

AT 755 PM CDT...RADAR CONTINUED TO INDICATE THUNDERSTORMS IN CHERRY
COUNTY OF NORTHCENTRAL NEBRASKA.  THE STRONGEST STORMS WERE LOCATED
FROM 65 MILES SOUTHWEST OF VALENTINE NEBRASKA SOUTHWESTWARD INTO THE
NEBRASKA PANHANDLE...AND 35 MILES SOUTHWEST OF VALE7NTINE.  THE STORMS
WERE MOVING NORTHEAST AT 25 MPH.

BRIEF HEAVY RAIN...STRONG WIND AND SMALL HAIL ARE POSSIBLE WITH THESE
STORMS OVER CHERRY COUNTY UNTIL 930 PM CDT.
PLISCHKE

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.