Alert archive / North Dakota / Tornado Warnings in 1996

Tornado Warning 22, NWS Bismarck, ND

September 4, 1996McLean County, Mercer County, North Dakota

NWS Bismarck, ND issued this tornado warning at Sep 4, 1996, 9:06 PM CDT for McLean County, Mercer County, North Dakota. It was in force for 69 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 4, 1996, 9:06 PM CDT (02:06 UTC)
Expired
Sep 4, 1996, 10:15 PM CDT
In force
69 min
Issued by
NWS Bismarck, ND
Area
Whole counties

Counties McLean County, ND, Mercer County, ND

The radar

The Bismarck radar (KBIS), 98 km from the middle of the area, began a volume at 02:06 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 2.1 hours before the alert went out and 101 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 1996-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2037 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 1996-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 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
2037 J/kg
Mixed-layer CIN
-91 J/kg
Mixed-layer LCL
1838 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
338 m²/s²
Significant tornado parameter
0.4
Supercell composite
8.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBIS 050206
TORBIS
NDC055-057-050315-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
906 PM CDT (806 PM MDT) WED SEP 4 1996
 
THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1015 PM CDT (915 PM MDT)
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL NORTH DAKOTA
 
   ...WESTERN MCLEAN COUNTY...NORTHWESTERN MERCER COUNTY
 
AT 905 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM SOUTHWEST
OF NEW TOWN...OR ABOUT 60 MILES SOUTHWEST OF MINOT. THE STORM WAS MOVING
TO THE SOUTHEAST AT 20 MPH. THIS STORM WILL MOVE TO NEAR RAUB IN WESTERN
MCCLEAN COUNTY BY 930 PM CDT. THIS STORM HAS A HISTORY OF TENNIS BALL
SIZE HAIL AND TORNADOES. BOATERS ON CENTRAL AND EASTERN LAKE SAKAKAWEA
SHOULD HEAD FOR SHELTER IMMEDIATELY.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.
 
FORS

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, Sep 4, 4:14 PM CDT, 4 hours 52 minutes before
NDZ004-042145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
415 PM CDT WED SEP 4 1996

...SEVERE THUNDERSTORM WARNING FOR BOTTINEAU COUNTY WILL BE ALLOWED TO
EXPIRE AT 415 PM CDT...

AT 410 PM CDT WEATHER SERVICE RADAR INDICATED THAT THE THUNDERSTORM THAT
PROMPTED THE WARNING FOR BOTTINEAU COUNTY HAS SINCE WEAKENED AND IS
MOVING INTO CANADA. THE STORM IS LOCATED ABOUT 10 MILES NORTH OF
BOTTINEAU AND IS MOVING NORTHEAST AT 30 MPH.

HINTZ
Local storm report, Sep 4, 4:19 PM CDT, 4 hours 47 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  WILLISTON ND
418 PM CDT WED SEP 04 1996

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

115 PM     E. DIVIDE AND W. BURKE   ND    PEA TO 3/4 INCH HAIL.
130 PM     E. DIVIDE                      POSSIBLE SMALL TORNADO 3 MILES
                                          WEST AND 1 MILE SOUTH OF
                                          NOONAN...ND.
145 PM     W. BURKE                       PEA TO GOLF BALL SIZE HAIL.

WIGHTMAN

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 4, 7:05 PM CDTSevere Thunderstorm WarningBISMcKenzie55 min
Sep 4, 7:14 PM CDTSevere Thunderstorm WarningBISMcKenzie46 min
Sep 4, 7:40 PM CDTSevere Thunderstorm WarningBISMcKenzie65 min
Sep 4, 8:07 PM CDTSevere Thunderstorm WarningBISBillings, Golden Valley68 min
Sep 4, 8:19 PM CDTTornado WarningBISMcKenzie26 min
Sep 4, 8:45 PM CDTTornado WarningBISDunn, Mountrail60 min
Sep 4, 8:59 PM CDTSevere Thunderstorm WarningBISMcKenzie61 min
Sep 4, 9:21 PM CDTSevere Thunderstorm WarningBISDunn69 min
Sep 4, 9:40 PM CDTSevere Thunderstorm WarningBISMcKenzie65 min
Sep 4, 10:00 PM CDTSevere Thunderstorm WarningBISMountrail60 min
Sep 4, 10:02 PM CDTSevere Thunderstorm WarningBISMcHenry58 min
Sep 4, 10:32 PM CDTSevere Thunderstorm WarningBISWard58 min
Sep 4, 10:58 PM CDTSevere Thunderstorm WarningBISMcKenzie62 min
Sep 4, 11:19 PM CDTSevere Thunderstorm WarningBISWilliams56 min
Sep 4, 11:33 PM CDTSevere Thunderstorm WarningBISWard42 min
Sep 5, 12:18 AM CDTSevere Thunderstorm WarningBISMcHenry, Pierce57 min
Sep 5, 12:50 AM CDTSevere Thunderstorm WarningBISWilliams55 min
Sep 5, 1:30 AM CDTSevere Thunderstorm WarningBISBurke60 min

Nearby

Tornado Warnings in North Dakota, 1996Every tornado warning in 1996Tornadoes in 1996

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; radar from the NEXRAD Level II archive.