Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 5, NWS Sioux Falls, SD

April 26, 1986Dixon County, Nebraska

NWS Sioux Falls, SD issued this severe thunderstorm warning at Apr 26, 1986, 6:01 PM CST for Dixon County, Nebraska. It was in force for 59 min.

The area

The counties it named.

The facts

Issued
Apr 26, 1986, 6:01 PM CST (00:01 UTC)
Expired
Apr 26, 1986, 7:00 PM CST
In force
59 min
Issued by
NWS Sioux Falls, SD
Area
Whole counties

County Dixon 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

Omaha, NE (KOAX), launched 00:00Z, 0.0 hours before the alert went out and 137 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, Omaha, NE at 00:00Z on 1986-04-27Temperature 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, Omaha, NE at 00:00Z on 1986-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 155 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3558 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
155 m²/s²
0-3 km storm-relative helicity
291 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 KSUX 270003
SVRSUX
NEC051-270100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SIOUX CITY IA
601 PM CST SAT APR 26 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 700 PM CST FOR PEOPLE IN THE FOLLOWING
COUNTY OF

NORTHEAST NEBRASKA...DIXON

AT 555 PM CST GOLFBALL SIZE HAIL WAS REPORTED AT LAUREL NEBRASKA OR
35 MILES NORTHWEST OF SIOUX CITY IOWA BY THE LAUREL POLICE.

THIS STORM IS MOVING TO THE NORTHEAST AT 35 MILES AN HOUR AND
SHOULD ENTER WESTERN DIXON COUNTY BY 610 PM CST.

REMEMBER..A SEVERE THUNDERSTORM CAN PRODUCE DAMAGING WINDS IN EXCESS
OF 60 MPH..LARGE HAIL..DEADLY LIGHTNING..AND HEAVY RAINS THAT CAN
QUICKLY FLOOD LOW LYING AREAS.

THESE STORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE
OR NO ADVANCE WARNING..SO BE ON THE LOOKOUT AND BE PREPARED TO MOVE
TO A PLACE OF SAFETY IF ONE IS SPOTTED.

PLEASE ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR
REPORT OF SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE.

ROSNER

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, Apr 26, 2:42 PM CST, 3 hours 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX CITY IA
240 PM CST SAT APR 26 1986

    ..TORNADO WATCH TIL 9 PM ......

AT 240 PM CST THERE WAS ONLY A SMALL AREA OF THUNDERSTORMS LOCATED IN
NORTH CENTRAL NEBRASKA NEAR O'NEILL NEBRASKA. THERE WERE NO OTHER SHOWERS
OR THUNDERSTORMS IN OR NEAR THE SIOUXLAND AREA.

TANNER
Special weather statement, Apr 26, 3:28 PM CST, 2 hours 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
325 PM CST SAT APR 26 1986

...VERY STRONG THUNDERSTORMS MOVING INTO SOUTHEAST SOUTH DAKOTA...

AT 320 PM CST RADAR INDICATED VERY HEAVY AND SEVERE THUNDERSTORMS IN
NORTHEAST NEBRASKA ABOUT 60 MILES SOUTHWEST OF YANKTON SOUTH DAKOTA..
20 TO 30 MILES NORTH OF ONEIL NEBRASKA. AT 310 PM CST GOLF BALL SIZE
HAIL WAS REPORTED 15 MILES NORTH OF ONEIL NEBRASKA. THESE THUNDERSTORMS
WEREC MOVING TO THE NORTHEAST AT 35 MPH.

PEOPLE IN THE SOUTHEAST SOUTH DAKOTA COUNTIES OF SOUTHERN CHARLES-MIX
AND BON-HOMME SHLOUD BE ALERT UNTIL 430 PM CST FOR POSSIBLE LARGE HAIL
..VERY HEAVY RAIN..AND STRONG WINDS IN THUNDERSTORMS.

BEHREND
Special weather statement, Apr 26, 4:21 PM CST, 1 hour 40 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
425 PM CST SAT APR 26 1986

...WINTER STORM WARNING TONIGHT AND SUNDAY MORNING FOR BLACK HILLS...
...WINTER STORM WATCH FOR WEST 1/4 LATE TONIGHT AND SUNDAY MORNING...
...WEATHER ADVISORY FOR LIVESTOCK TONIGHT AND SUNDAY FOR MOST OF
   SOUTH DAKOTA...

SOUTH DAKOTA WILL FEEL THE BRUNT OF YET ANOTHER WINTER/LIKE STORM SYSTEM
TONIGHT AND SUNDAY. COLD RAIN AND WET SNOW MAY CHANCE TO ALL SNOW WEST
TONIGHT...SO A WINTER STORM WARNING IS IN EFFECT FOR THE BLACK HILLS OF
SOUTH DAKOTA. TEMPERATURES MAY FALL ENOUGH SO THAT THE SNOW WILL STICK
LATER TONIGHT SO A WINTER STORM WATCH IS IN EFFECT FOR THE EXTREME WEST
FOR LATE TONIGHT AND SUNDAY MORNING. THE REMAINDER OF THE STATE WILL
HAVE COLD RAIN SO A WEATHER ADVISORY FOR LIVESTOCK IS IN EFFECT FOR
MOST OF THE STATE TONIGHT AND SUNDAY.

LOCALLY HEAVY RAINS WILL FALL OVER PARTS OF CENTRAL AND EASTERN SOUTH
DAKOTA TO|NIGHT AND SUNDAY. LOCAL FLOODING WILL LIKELY IN AREAS THAT
RECEIVE EXCESSIVE RAINS.

THE STORM SYSTEM WILL MOVE OUT OF THE WEST SUNDAY AFTERNOON AND OUT
OF THE EAST SUNDAY NIGHT.
KOSCIELSKI
Special weather statement, Apr 26, 4:51 PM CST, 1 hour 10 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE HURON SD
440 PM CST SAT APR 26 1986

AT 430 PM CST...NUMEROUS INTENSE THUNDERSTORMS WERE OCCURRING IN
SOUTHEAST SOUTH DAKOTA. THE STORMS WERE IN A 45 MILE WIDE AREA
FROM 30 MILES SOUTHWEST OF SIOUX FALLS TO 50 MILES NORTHWEST OF
YANKTON.

LARGE HAIL AND STRONG WIND IS LIKELY IN THE AREA SOUTH OF A LINE
SIOUX FALLS TO CHAMBERLAIN..WHICH IS 65 MILES SOUTHEAST OF PIERRE.

THESE STORMS WERE MOVING NORTHEAST AT 25 MILES AN HOUR.

ALSO...NUMEROUS SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY
RAIN...CONTINUED OVER CENTRAL AND NORTHEAST SOUTH DAKOTA. THE
HEAVIEST RAIN WAS ALONG AND EAST OF THE JAMES RIVER AND NORTH OF
A LINE FROM HURON TO BROOKINGS.

THESE SHOWERS AND THUNDERSTORMS WERE MOVING NORTH AT 40 MILES AN
HOUR.

SPRINGER
Special weather statement, Apr 26, 5:43 PM CST, 18 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SIOUX CITY IA
540 PM CST SAT APR 26 1986

    ..TORNADO WATCH TIL 9 PM ......

AT 535 PM CST THERE WAS A LARGE AREA OF THUNDERSTORMS SOME SEVERE
LOCATED 10 MILES SOUTHWEST OF SIOUX CITY TO LINCOLN NEBRASKA TO 20
MILES SOUTHWEST OF NORFOLK NEBRASKA. SOME SEVERE WEATHER HAS BEEN REPORTED
AT NORFOLK NEBRASKA BUT NONE HAS BEEN IN THE SIOUXLAND AREA.
THIS AREA OF THUNDERSTORMS IS MOVING TO THE NORTHEAST AT 30 MPH.

TANNER
Special weather statement, Apr 26, 5:46 PM CST, 15 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE HURON SD
540 PM CST SAT APR 26 1986

AT 530 PM CST...NUMEROUS INTENSE THUNDERSTORMS CONTINUED OVER
SOUTHEAST SOUTH DAKOTA. THE STORMS WERE ALONG AND EAST OF THE
JAMES RIVER AND SOUTH OF A LINE FROM MITCHELL TO BROOKINGS.

LARGE HAIL AND STRONG WIND IS LIKELY IN THE AREA ALONG AND SOUTH
OF A LINE FROM MITCHELL TO SIOUX FALLS.

THESE STORMS WERE MOVING EAST AT 25 MILES AN HOUR.

ALSO...NUMEROUS SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY
RAIN...CONTINUED OVER CENTRAL AND NORTHEAST SOUTH DAKOTA...MAINLY
ALONG AND EAST OF THE MISSOURI RIVER AND NORTH OF A LINE FROM
BROOKINGS TO CHAMBERLAIN..WHICH IS= 60 MILES SOUTHEAST OF PIERRE.
VERY HEAVY RAIN IS LIKELY IN THE AREA ALONG AND 45 MILE EITHER
SIDE OF A LINE FROM PIERRE TO MOBRIDGE.

THESE SHOWERS AND THUNDERSTORMS WERE MOVING NORTH AT 40 MILES AN HOUR.

SPRINGER

Nearby

Severe Thunderstorm Warnings in Nebraska, 1986Every severe thunderstorm warning in 1986

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.