Alert archive / North Dakota / Tornado Warnings in 1986

Tornado Warning 8, NWS Bismarck, ND

July 28, 1986Ward County, North Dakota

NWS Bismarck, ND issued this tornado warning at Jul 28, 1986, 12:28 AM CDT for Ward County, North Dakota. It was in force for 32 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
Jul 28, 1986, 12:28 AM CDT (05:28 UTC)
Expired
Jul 28, 1986, 1:00 AM CDT
In force
32 min
Issued by
NWS Bismarck, ND
Area
Whole counties

County Ward County, ND

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
Jul 28, 12:39 AM CDTTornado F0Ward, ND

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

Bismarck Municip, ND (KBIS), launched 00:00Z, 5.5 hours before the alert went out and 173 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, Bismarck Municip, ND at 00:00Z on 1986-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 821 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, Bismarck Municip, ND at 00:00Z on 1986-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 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
821 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1441 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBIS 280528
TORBIS
NDC101-280600-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
1228 AM CDT MON JUL 28 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 100 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY OF


NORTH CENTRAL NORTH DAKOTA...NORTHEAST WARD

AT 1225 AM CDT MINOT POLICE REPORTED A TORNADO ON THE GROUND
5 MILES NORTH NORTHWEST OF THE CITY OF MINOT MOVING SLOWLY TO
THE NORTHEAST.  PERSONS IN THE CITY OF MINOT AND NORTH OF
MINOT SHOULD TAKE COVER.
.
.
THIS IS A CONTINUATION OF THE EARLIER WARNING FOR NORTHEAST
WARD COUNTY.

IF A TORNADO IS APPROACHING GET INTO A BASEMENT...IF NO BASEMENT
IS AVAILABLE...GET INTO THE INNERMOST HALLWAY...STAY AWAY FROM
WINDOWS.  IF CAUGHT OUTSIDE GET INTO A DITCH...GULLY...RAVINE...OR
EVEN A LOW LYING SPOT ON THE GROUND.  PROTECT YOUR HEAD.  ABANDON
CARS AND MOBILE HOMES.

KAS 0527Z

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, Jul 27, 8:56 PM CDT, 3 hours 32 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
855 PM CDT SUN JUL 27 1986

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF WESTERN
NORTH DAKOTA UNTIL 2 AM CDT...

ISOLATED THUNDERSTORMS CONTINUE TO PLAGUE NORTH DAKOTA THIS EVENING. AT
850 PM CDT INTENSE THUNDERSTORMS WERE LOCATED IN WELLS COUNTY IN CENTRAL
NORTH DAKOTA..LAGAN AND MCINTOSH COUNTIES IN SOUTHCENTRAL NORTH DAKOTA..
AND IN WESTERN BOTTINEAU COUNTY IN NORTHCENTRAL NORTH DAKOTA. THESE
STORMS WERE MOVING TO THE EAST AT 20 MILES AN HOUR AND PRODUCING HEAVY
RAIN.

A NORTH TO SOUTH LINE OF THUNDERSTORMS IN EASTERN MONTANA WILL BE
MOVING INTO NORTH DAKOTA BEFORE 10 PM CDT OR 9 PM MDT.

CONDITIONS <ACROSS NORTH DAKOTA ARE FAVORABLE FOR SEVERE WEATHER.
PERSONS SHOULD KEEP ABREAST OF THE LATEST WEATHER DEVELOPMENTS AND
BE PREPARED FOR SEVERE WEATHER.
KAS
Special weather statement, Jul 27, 9:02 PM CDT, 3 hours 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILLISTON ND
900 PM CDT SUN JUL 27 1986

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MOST OF WESTERN NORTH
DAKOTA UNTIL 2 AM CDT..REPLACING THE TORNADO WATCH...

AT 900 PM CDT AN AREA OF OF INTENSE THUNDERSTORMS WAS LOCATED ALONG
THE NORTH DAKOTA-MONTANA BORDER FROM ABOUT 25 MILES NORTHWEST OF
WILLISTON TO JUST SOUTH OF SIDNEY MONTANA.  REPORTS OF WIND GUSTS
OF 40 TO 50 MILES AN HOUR WITH VERY HEAVY RAIN WERE REPORTED IN THE
SIDNEY AREA.  MOVEMENT OF THESE STORMS WAS NORTHEAST AT 25 TO 30 MILES
AN HOUR AND SHOULD MOVE INTO THE WILLISTON AREA WITHIN THE NEXT HALF
HOUR.

GUSTY WINDS..VERY HEAVY RAIN..DANGEROUS LIGHTNING AND SMALL HAIL CAN
BEB EXPECTED WITH THESE STORMS.
NIELSEN
Special weather statement, Jul 27, 10:50 PM CDT, 1 hour 38 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
1050 PM CDT SUN JUL 27 1986

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF WESTERN
NORTH DAKOTA UNTIL 2 AM CDT...

A LINE OF VERY INTENSE THUNDERSTORMS CONTINUED TO MOVE EAST IN WESTERN
NORTH DAKOTA. AT 1045 PM CDT THE LINE EXTENDED FROM NORTH OF WILLISTON
NEAR ESTEVAN SASKATCHEWAN SOUTH TO DICKINSON THEN SOUTHWEST TO THE
SOUTHWEST CORNER OF THE STATE. THIS LINE WAS MOVING TO THE EAST AT 40
TO 45 MILES AN HOUR. WIND GUSTS FROM THESE THUNDERSTORMS MAY EXCEED 50
MILES AND HOUR. THESE THUNDERSTORMS ALSO CONTAIN HEAVY RAIN AND POSSIBLY
SOME HAIL. REPORTS OF CONTINEOUS LIGHTNING HAVE BEEN RECEIVED FROM HAM
RADIO OPERATERS IN THE DICKINSON AREA. REMEMBER..LIGHTNING CAN BE
DEADLY.

PERSONS ACROSS WESTERN NORTH DAKOTA SHOULD BE PREPARED FOR THE STRONG
WINDS..RAIN..AND THE POSSIBILITY OF SEVERE WEATHER. IF SEVERE WEATHER
APPROACHES..BE PREPARED TO TAKE SHELTER.
KAS
Local storm report, Jul 27, 11:34 PM CDT, 54 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE WILLISTON ND
1030 PM MDT SUN JUL 28 1986

TIME    EVENT
820 PM  MARBLE SIZED HAIL REPORTED BY SHERIFFS DEPARTMENT IN AND
        AROUND BEACH NORTH DAKOTA IN GOLDEN VALLEY COUNTY.  ALSO
        VERY STRONG WINDS AND HEAVY RAIN.

NIELSEN
Local storm report, Jul 27, 11:45 PM CDT, 43 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE WILLISTON ND
1145 PM CDT SUN JUL 27 1986

TIME    EVENT
700PM-  DELAYED REPORT FROM DES COORDINATOR IN BURKE COUNTY..3/4
715PM   TO 11/2 INCH HAIL 5 MILES SOUTH OF LIGNITE NORTH DAKOTA IN
        CENTRAL BURKE COUNTY.
NIELSEN
Special weather statement, Jul 28, 12:04 AM CDT, 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
1200 AM CDT MON JUL 28 1986

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF WESTERN
NORTH DAKOTA UNTIL 2 AM CDT...

A LINE OF VERY INTENSE THUNDERSTORMS CONTINUED TO MOVE EAST INTO CENTRAL
NORTH DAKOTA. AT 1150 PM CDT THE LINE EXTENDED FROM NORTH OF MINOT..
SOUTH TO LAKE SAKAKAWEA..THEN SOUTH TO NEAR HEBORN IN WESTERN MORTON
COUNTY..ABOUT 65 MILES WEST OF BISMARCK. THIS LINE WAS MOVING TO THE
EAST AT 40 TO 45 MILES AN HOUR. THESE STORMS WILL PRODUCE HEAVY RAIN AND
COULD CUASE WINDS IN EXCESS OF 50 MILES AN HOUR.

TWO OTHER INTENSE CELLS WERE INDICATED BY WEATHER RADAR. THE FIRST WAS
IN CENTRAL BOTTINEAU COUNTY..NORTH OF MINOT. THIS STORM WAS NEARLY
STATIONARY AND COULD BE CAUSING FLOODING OF LOW LYING AREAS. THE OTHER
STORM CELL WAS SOUTH OF DICKINSON ON THE ADAMS-HETTINGER COUNTY LINE.
THIS STORM WAS MOVING TO THE EAST SOUTHEAST AT 35 TO 40 MPH AND COULD
PRODUCE HEAVY RAIN AND SOME HAIL.
KAS

The office that day

Everything else NWS Bismarck, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 27, 7:03 PM CDTSevere Thunderstorm WarningBISBurke27 min
Jul 27, 7:40 PM CDTTornado WarningBISWells35 min
Jul 27, 9:23 PM CDTSevere Thunderstorm WarningBISBillings, Golden Valley37 min
Jul 27, 10:09 PM CDTSevere Thunderstorm WarningBISBillings, Dunn, McKenzie66 min
Jul 27, 10:26 PM CDTSevere Thunderstorm WarningBISBurke, Divide64 min
Jul 27, 11:03 PM CDTSevere Thunderstorm WarningBISBottineau27 min
Jul 28, 12:09 AM CDTTornado WarningBISWard21 min
Jul 28, 6:11 PM CDTSevere Thunderstorm WarningBISEmmons49 min

Nearby

Tornado Warnings in North Dakota, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.