Alert archive / Nebraska / Tornado Warnings in 1986

Tornado Warning 23, NWS Hastings, NE

August 6, 1986Dawson County, Nebraska

NWS Hastings, NE issued this tornado warning at Aug 6, 1986, 10:08 PM CDT for Dawson County, Nebraska. It was in force for 112 min.

The area

The counties it named.

The facts

Issued
Aug 6, 1986, 10:08 PM CDT (03:08 UTC)
Expired
Aug 7, 1986, 12:00 AM CDT
In force
112 min
Issued by
NWS Hastings, NE
Area
Whole counties

County Dawson 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 3.1 hours before the alert went out and 72 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 1986-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2131 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 1986-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.193958Sfc1 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
2131 J/kg
Mixed-layer CIN
-88 J/kg
Mixed-layer LCL
2158 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
241 m²/s²
Significant tornado parameter
0.0
Supercell composite
12.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGRI 070308
TORGRI
NEC047-070500-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE GRAND ISLAND NE
1008 PM CDT WED AUG 6 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 1200 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF

SOUTH CENTRAL NEBRASKA...DAWSON

AT 1010PM CDT... A TORNADO WAS INDICATED BY RADAR NEAR OCONTO IN
SOUTHERN CUSTER COUNTY NEBRASKA.  IT WAS MOVING SOUTH AT 25 TO 30 MPH
THE WARNING INCLUDES THE TOWNS OF LEXINGTON AND COZAD NEBRASKA.
BASE BALL SIZE HAIL WAS REPORTED AT 955 PM CDT NEAR CALLAWAY
NEBRASKA.  NUMEROUS TORNADOES WERE REPORTED WITH THIS STORM
AS IT HAS MOVED SOUTHWARD ACROSS THE STATE FROM THE VICINITY OF
VALENTINE.

PEOPLE IN THE PATH OF THIS TORNADO SHOULD TAKE COVER IMMEDIATELY
TO SAVE YOUR LIVES.

IN ADDITION TO THE THREAT OF TORNADOES..LARGE HAIL..DANGEROUS
LIGHTNING AND VERY HEAVY RAIN ARE LIKELY WITH THIS STORM.

TIfGNOR

What forecasters said that day

The local office's own words before this tornado 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, Aug 6, 4:44 PM CDT, 5 hours 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
430 PM CDT WED AUG 6 1986

...TORNADO WATCH FOR A LARGE PART OF CENTRAL NEBRASKA UNTIL 10 PM CDT..

SHOWERS AND THUNDERSTORMS A COUPLE INTENSE HAS DEVELOPED IN PARTS OF
NORTHEAST AND SOUTHWEST NEBRASKA ALSO NORTHWEST KANSAS.

THE INTENSE THUNDERSTORMS WERE LOCATED NEAR MC COOK NEB.  MOVING TO THE
EAST AT 25 TO 30 MPH.

SCATTERED SHOWERS AND THUNDERSHOWERS WERE LOCATED NORTH OF A LINE THAT
RAN FROM AINSWORTH TO NORFOLK NEB.  MOVING TO THE EAST SOUTHEAST AT
25 TO 30 MPH.
IN NORTHWEST KANSAS AND SOUTHWEST NEBRASKA A 50 MILE WIDE BAND OF MORE
NUMEROUS SHOWERS AND THUNDERSTORMS EXTENDED FROM 30 MILES WEST OF
GOODLAND KS. TO 20 MILES NORTHEAST OF MC COOK NEB.  MOVING TO THE EAST
AT 25 MPH.
MLT
Special weather statement, Aug 6, 5:49 PM CDT, 4 hours 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
530 PM CDT WED AUG 6 1986

...TORNADO WATCH FOR A LARGE PART OF CENTRAL NEBRASKA UNTIL 10 PM CDT..

INTENSE THUNDERSTORMS CONTINUE TO DEVELOPE IN PARTS OF NORTH CENTRAL
AND SOUTHWEST NEBRASKA ALSO NORTHWEST KANSAS.

SCATTERED SHOWERS AND THUNDERSHOWERS IN NORTHEAST NEBRASKA.

THE INTENSE THUNDERSTORMS WERE LOCATED JUST NORTHWEST OF VALENTINE NEB.
MOVING TO THE SOUTHEAST AT 30 MPH.  THIS STORM COULD PRODUCE HIGH WINDS
AND HAIL.  OTHER STORMS WERE LOCATED FROM 10 MILES SOUTHEAST OF MC COOK
TO 40 MILES SOUTH SOUTHWEST OF MC COOK NEB.  MOVING TO THE SOUTHEAST AT
30 MPH.

SCATTERED SHOWERS AND THUNDERSHOWERS CONTIiNUED FROM JUST SOUTHWEST OF
ONEIL TO JUST EAST OF NORFOLK TO SIOUX CITY IA. THEN TO JUST WEST OF
YANKTON S DAK.
Special weather statement, Aug 6, 6:44 PM CDT, 3 hours 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
630 PM CDT WED AUG 6 1986

...TORNADO WATCH FOR A LARGE PART OF CENTRAL NEBRASKA UNTIL 10 PM CDT..

A EXTREMELY INTENSE THUNDERSTORM CONTINUES IN NORTH CENTRAL NEBRASKA
SCATTERED SHOWERS AND THUNDERSTORMS A COUPLE INTENSE REMAIN IN PARTS
OF NORTHEAST AND SOUTHWEST NEBRASKA EXTENDING INTO NORTHWEST KANSAS.

THE EXTREMELY INTENSE WAS LOCATED JUST SOUTHEAST OF VALENTINE NEB.
MOVING TO THE SOUTHEAST AT 30 MPH.  THIS STORM HAS PRODUCED HAIL UPTO
GOLFBALL SIZE NEAR VALENTINE AT 5 50 PM CDT.  THE INTENSE THUNDERSTORMS
WERE LOCATED IN NORTHWEST KANSAS BETWEEN MC COOK NEB. AND HILL CITY KS.
ALSO 20 MILES NORTH NORTHEAST OF HILL CITY AND 50 MILES WEST NORTHWEST
OF HILL CITY KS.  MOVING TO THE SOUTHEAST AT 25 TO 30 MPH.

THE SHOWERS IN NORTHEAST NEBRASKA EXTENDED FROM 30 MILES WEST TO 50
MILES EAST SOUTHEAST OF NORFOLK NEB.  MOVING TO THE EAST SOUTHEAST AT
25 MPH.
Special weather statement, Aug 6, 7:52 PM CDT, 2 hours 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
730 PM CDT WED AUG 6 1986

...TORNADO WATCH FOR A LARGE PART OF CENTRAL NEBRASKA UNTIL 10 PM CDT..

A SUPER THUNDERSTORM CONTINUES IN NORTH CENTRAL NEBRASKA IN SOUTHEAST
CHERRY AND SOUTHWEEST CORNERN OF BROWN COUNTIES.  THIS STORM COULD
PRODUCE A TORNADO AND PERSONS IN THE PATH OF THIS STORM SHOULD TAKE
SHELTER.  THIS STORMS WAS MOVING TO THE SOUTH AT 30 TO 35 MPH AND WILL
BE ENTERING WESTERN BLAINE AND EASTERN THOMAS COUNTIES BY 8 PM CDT.

NUMEROUS SHOWERS AND THUNDERSTORMS ALSO CONTINUE OVER PARTS OF NORTH
CENTRAL AND NORTHEAST NEBRASKA ALSO NORTHWEST KANSAS.

IN NEBRASKA THESE SHOWERS AND STORMS WERE LOCATED NORTH OF A LINE THAT
RAN FROM OMAHA TO MULLEN NEB.  MOVING THE THE EAST SOUTHEAST AT 25 MPH.
IN KANSAS SHOWERS AND A FEW INTENSE THUNDERSTORMS IN AN AREA 50 MILES
ACROSS WITH THE CENTER LOCATED 20 MILES NORTHWEST OF HILL CITY.  THE
INTENSE THUNDERSTORMS WERE LOCATED BETWEEN MC COOK NEB. AND HILL CITY
KS. ALSO 40 MILES WEST NORTHWEST OF HILL CITY KS.  MOVING TO THE
SOUTHEAST AT 20 MPH.  THESE STORMS COULD PRODUCE STRONG WINDS AND
SOME HAIL.
MLT

The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 6, 9:49 PM CDTSevere Thunderstorm WarningGIDMerrick, Polk55 min
Aug 6, 9:49 PM CDTSevere Thunderstorm WarningGIDYork55 min
Aug 7, 12:30 AM CDTSevere Thunderstorm WarningGIDAdams, Clay60 min
Aug 7, 1:03 AM CDTSevere Thunderstorm WarningGIDNuckolls, Webster57 min
Aug 7, 1:37 AM CDTSevere Thunderstorm WarningGIDAdams, Clay53 min
Aug 7, 2:31 AM CDTSevere Thunderstorm WarningGIDAdams, Clay, Nuckolls, Webster59 min

Nearby

Tornado Warnings in Nebraska, 1986Every tornado warning in 1986Tornadoes 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.