Alert archive / Nebraska / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 4, NWS Omaha, NE

April 26, 1986Butler County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Apr 26, 1986, 4:55 PM CST for Butler County, Nebraska. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
Apr 26, 1986, 4:55 PM CST (22:55 UTC)
Expired
Apr 26, 1986, 5:45 PM CST
In force
50 min
Issued by
NWS Omaha, NE
Area
Whole counties

County Butler 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 12:00Z, 10.9 hours before the alert went out and 65 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 12:00Z on 1986-04-26Temperature 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 12:00Z on 1986-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 301 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
3605 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
301 m²/s²
0-3 km storm-relative helicity
522 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 4:23 PM CST, 32 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORFOLK NE
415 PM CST SAT APR 26 1986

TORNADO WATCH IN EFFECT UNTIL 9 PM CST FOR PART OF CENTRAL AND EASTERN
NEBRASKA..A SMALL PART OF SOUTHEAST SOUTH DAKOTA..AND PART OF EXTREME
WESTERN IOWA.

AT 415 PM CST VERY STRONG THUNDERSTORMS WERE OVER NORTHEAST NEBRASKA.
THE STRONGEST THUNDERSTORMS WERE NEAR COLUMBUS AND 45 MILES NORTHWEST
OF NORFOLK NEAR LINDY.

THE THUNDERSTORMS WERE MOVING NORTHEAST} AT 30 MPH AND WILL BE
ACCOMPANIED BY VERY HEAVY RAIN..WIND GUST TO AROUND 50 MPH..AND POSSIBLY
HAIL.

NEWMAN 2222Z
Special weather statement, Apr 26, 4:40 PM CST, 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA NE
440 PM CST SAT APR 26 1986

...WEATHER ADVISORY FOR LIVESTOCK PANHANDLE AND NORTH CENTRAL NEBRASKA
   TONIGHT AND SUNDAY MORNING...

A STORM SYSTEM IN SOUTHEAST COLORADO IS EXPECTED TO MOVE NORTHEAST ALONG
A SLOW MOVING COLD FRONT TONIGHT.  THE FRONT LIES FROM MINNESOTA TO NEW
MEXICO.  THIS SYSTEM WILL BRING RAIN TO WESTERN NEBRASKA TONIGHT.   SNOW
IS LIKELY TO BE MIXED IN IN NORTHWEST NEBRASKA INTO SUNDAY MORNING.

TEMPERATURES IN NORTHWEST NEBRASKA TONIGHT WILL BE IN THE 30S WITH NORTH
WINDS OF 15 TO 25 MPH.  THE COLD RAIN..WET SNOW AND WINDS ARE LIKELY TO
CAUSE STRESS FOR YOUNG LIVESTOCK TONIGHT INTO SUNDAY MORNING.
TEMPERATURES ARE EXPECTED TO RECOVER INTO THE 40S AND POSSIBLY 50S
SUNDAY AFTERNOON.

WHILE MUCH OF THE PRECIPITATION ACROSS NEBRASKA WILL BE RAIN SNOW COULD
ACCUMULATE A COUPLE OF INCHES DEEP TONIGHT AND SUNDAY MORNING IN THE
HIGHERQ ELEVATIONS OF THE NEBRASKA PANHANDLE.

POWERS
Special weather statement, Apr 26, 4:50 PM CST, 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA NE
450 PM CST SAT APR 26 1986

...HEAVY THUNDERSTORMS IN EASTERN NEBRASKA THIS SATURDAY AFTERNOON...

AT 450 PM CST STRONG THUNDERSTORMS WERE IN EEATERN NEBRASKA FROM NEAR
PILGER ABOUT 70 MILES NORTHWEST OF OMAHA SOUTHWEST TO JUST WEST OF
COLUMBUS NEBRASKA AND FURTHER SOUTH TO WEST OF YORK NEBRAKA.  THESE
THUNDERSTORMS WERE MOVING NORTHEAST ABOUT 35 MILES PER HOUR AND ARE
EXPECTED TO PASS BY OMAHA WELL TO THE WEST.

THESE THUNDERSTORMS ARE MOVING INTO NORTHEAST NEBRASKA AND HAVE
GENERATED LARGE HAIL AND SOME STRONG WINDS AND COULD GENERATE
TORNADOES.

A TORNADO WATCH IS IN EFFECT FOR EASTERN NEBRASKA UNTIL 9 PM CST.
NONE OF THE THUNDERSTORM ACTIVITY APPEARS LIKELY TO THREATEN THE
OMAHA COUNCIL BLUFFS METROPOLITAN AREA BEFORE 6 PM CST.

POWERS

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.