Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 52, NWS Cheyenne, WY

June 16, 1990Dawes County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 16, 1990, 6:46 AM MDT for Dawes County, Nebraska. It was in force for 39 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
Jun 16, 1990, 6:46 AM MDT (12:46 UTC)
Expired
Jun 16, 1990, 7:25 AM MDT
In force
39 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

County Dawes 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
Jun 16, 6:47 AM MDTHail 1.75Dawes, 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

Rapid City, SD (KRAP), launched 12:00Z, 0.8 hours before the alert went out and 152 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 12:00Z on 1990-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 1990-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
0 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
82 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 161246
SVRBFF
NEC045-161345-

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

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

   IN THE PANHANDLE OF NEBRASKA
      DAWES...THE CITY OF CHADRON

AT 645 AM MDT...RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES
SOUTH OF CHADRON NEBRASKA IN DAWES COUNTY.  THE STORM WAS MOVING
NORTHEAST AT 25 MPH AND WILL BE OVER OR VERY NEAR THE CITY OF
CHADRON BETWEEN 700 AM AND 715 AM 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 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, Jun 16, 5:30 AM MDT, 1 hour 16 minutes before
WYZALL-161230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
530 AM MDT SAT JUN 16 1990

...EARLY MORNING THUNDERSTORMS DEVELOP ACROSS WYOMING...

AT 515 AM MDT LIGHTNING DETECTION EQUIPMENT AND SATELLITE IMAGERY
INDICATED THAT WIDELY SCATTERED THUNDERSTORMS HAD DEVELOPED ACROSS
EASTERN AND SOUTHERN WYOMING. THE STRONGEST STORM WAS NEAR WRIGHT
...OR ABOUT 37 MILES SOUTH OF GILLETTE. ANOTHER STRONG STORM WAS
ABOUT 10 MILES WEST OF RAWLINS.

THESE EARLY MORNING STORMS WERE BEING CAUSED BY THE INTERACTION OF
LOW PRESSURE OVER SOUTHWEST WYOMING WITH MOIST AND UNSTABLE AIR.
STORMS WILL INCREASE AND BECOME STRONGER DURING THE DAY AS THIS
LOW PRESSURE SYSTEM MOVES EAST.

SOME STORMS THIS AFTERNOON WILL PRODUCE BRIEF HEAVY RAIN AND SMALL
HAIL ESPECIALLY OVER NORTHEAST AND EAST CENTRAL WYOMING. ALSO...
REMEMBER THAT THUNDERSTORMS PRODUCE DEADLY LIGHTNING. TRY TO REMAIN
INDOORS IF A THUNDERSTORM MOVES OVER YOUR AREA.

MENTZER
Special weather statement, Jun 16, 6:04 AM MDT, 42 minutes before
NEZ001-161330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
603 AM MDT SAT JUN 16 1990

...EARLY MORNING THUNDERSTORMS WERE MOVING THROUGH THE NORTH NEBRASKA
PANHANDLE...

AT 600 AM MDT...RADAR INDICATED THUNDERSTORMS IN THE NORTH HALF OF THE
NEBRASKA PANHANDLE.  THE STRONGEST STORM WAS LOCATED 40 MILES
NORTHWEST OF ALLIANCE NEBRASKA...JUST WEST OF THE TOWN OF MARSLAND...IN
THE EXTREME NORTHWEST CORNER OF BOX BUTTE COUNTY.  THE STORMS WERE
MOVING NORTHEAST AT 20 MPH.

BRIEF HEAVY RAIN...GUSTY WIND AND SMALL HAIL ARE POSSIBLE WITH THESE
STORMS AS THEY MOVE ACROSS BOX BUTTE...DAWES AND SIOUX COUNTIES OF THE
NORTHERN NEBRASKA PANHANDLE UNTIL 730 AM MDT.
PLISCHKE
Special weather statement, Jun 16, 6:40 AM MDT, 6 minutes before
NEZ001-161400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
639 AM MDT SAT JUN 16 1990

...STRONG THUNDERSTORMS WERE RUMBLING THROUGH THE NORTHERN NEBRASKA
PANHANDLE...

AT 635 AM MDT...RADAR INDICATED THUNDERSTORMS IN THE NORTH NEBRASKA
PANHANDLE.  THE STRONGEST STORMS WERE LOCATED 15 MILES SOUTH THROUGH
20 MILES WEST OF CHADRON NEBRASKA IN DAWES COUNTY AND 8 MILES SOUTH
OF HARRISON NEBRASKA...OR 50 MILES WEST OF CHADRON IN 7SIOUX COUNTY.
THE STORMS WERE MOVING NORTHEAST AT 25 MPH.

BRIEF HEAVY RAIN...GUSTY WIND AND SMALL HAIL ARE LIKELY WITH THESE
STORMS AS THEY MOVE ACROSS DAWES AND SIOUX COUNTIES OF THE NORTHERN
NEBRASKA PANHANDLE UNTIL 800 AM MDT.
PLISCHKE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 6:19 PM MDTSevere Thunderstorm WarningCYSKimball41 min
Jun 15, 6:19 PM MDTSevere Thunderstorm WarningCYSMorrill41 min
Jun 15, 7:02 PM MDTSevere Thunderstorm WarningCYSMorrill28 min
Jun 15, 7:19 PM MDTSevere Thunderstorm WarningCYSGarden56 min
Jun 16, 5:32 PM MDTSevere Thunderstorm WarningCYSBox Butte58 min
Jun 16, 5:39 PM MDTSevere Thunderstorm WarningCYSDawes66 min
Jun 16, 5:58 PM MDTTornado WarningCYSDawes32 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.