Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 57, NWS Cheyenne, WY

June 16, 1990Sheridan County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 16, 1990, 6:43 PM MDT for Sheridan County, Nebraska. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
Jun 16, 1990, 6:43 PM MDT (00:43 UTC)
Expired
Jun 16, 1990, 7:45 PM MDT
In force
62 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Sheridan 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

Rapid City, SD (KRAP), launched 00:00Z, 0.7 hours before the alert went out and 178 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, Rapid City, SD at 00:00Z on 1990-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 478 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, Rapid City, SD at 00:00Z on 1990-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
478 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
1188 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBFF 170043
SVRBFF
NEC161-170145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
643 PM MDT SAT JUN 16 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 745 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE PANHANDLE OF NEBRASKA
      NORTHERN SHERIDAN

AT 641 PM MDT...A SEVERE THUNDERSTORM WAS 24 MILES SOUTHEAST OF
CHADRON NEBRASKA.  THE STORM WAS MOVING EAST AROUND 25 MILES AN
HOUR. THIS WARNING INCLUDES THE CITIES OF HAY SPRINGS AND RUSHVILLE.

THIS WARNING CANCELS THE WARNING ISSUED PREVIOUSLY FOR EASTERN
DAWES COUNTY.

IF THREATENING WEATHER APPROACHES...TAKE SHELTER INSIDE A REINFORCED
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.

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 16, 3:49 PM MDT, 2 hours 54 minutes before
NEZ001-005-011-162300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
345 PM MDT SAT JUN 16 1990

...STRONG THUNDERSTORMS SCATTERED ACROSS WESTERN NEBRASKA PANHANDLE...

AT 344 PM MDT...STRONG THUNDERSTORMS WERE LOCATED 40 MILES WEST OF
SINEY NEBRASKA NEAR KIMBALL...AND 35 MILES NORTH OF SCOTTSBLUFF
NEBRASKA TO THE NORTH OF WATSON RANCH.  THE STOR,S WERE MOVING TO THE
NORTHEAST AROUND 25 MILES AN HOUR.

BRIEF HEAVY RAIN...GUSTdY WIND AND SMALL HAIL ARE LIKELY WITH THESE
STORMS AS THEY MOVE ACROSS SIOUX...KIMBALL...AND PARTS OF BANNER
COUNTIES OF THE NEBRASKA PANHANDLE UNTIL 500 PM MDT.
PFEIFFER
Special weather statement, Jun 16, 4:35 PM MDT, 2 hours 8 minutes before
NEZ001-005-011-162330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
435 PM MDT SAT JUN 16 1990

...STRONG THUNDERSTORMS SCATTERED ACROSS WESTERN NEBRASKA PANHANDLE...

AT 430 PM MDT...RADAR HAD INDACATED STRONG THUNDERSTOMRS MOVING ACROSS
WESTERN PART OF THE NEBRASKA PANHANDLE.  THE STRONGEST STORMS WERE
LOCATED 30 MILES WEST OF SINEY NEBRASKA NEAR KIMBALL...15 MILES
SOUTHWEST OF SCOTTSBLUFF NEBRASKA...35 MILES WEST OF CHARDON AND 25
MILES SOUTHWEST OF CHADRON.  THE STORMS WERE MOVING TO THE NORTHEAST
AROUND 25 MILES AN HOUR.

BRIEF HEAVY RAIN...GUSTY WIND AND SMALL HAIL ARE LIKELY WITH THESE
STORMS AS THEY MOVE ACROSS SIOUX...SCOTTS BLUFF...BANNER...KIMBALL...
DAWES AND BOX BUTTE COUNTIES OF THE NEBRASKA PANHANDLE UNTIL 530 PM MDT.
SALMONS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 6:15 PM MDTSevere Thunderstorm WarningCYSSheridan30 min
Jun 16, 6:29 PM MDTSevere Thunderstorm WarningCYSDawes16 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.