Alert archive / North Dakota / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 24, NWS Bismarck, ND

June 14, 1997Morton County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jun 14, 1997, 8:40 PM MDT for Morton County, North Dakota. It was in force for 65 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
Jun 14, 1997, 8:40 PM MDT (02:40 UTC)
Expired
Jun 14, 1997, 9:45 PM MDT
In force
65 min
Issued by
NWS Bismarck, ND
Area
Whole counties

County Morton County, ND

The radar

The Bismarck radar (KBIS), 40 km from the middle of the area, began a volume at 02:39 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, 2.7 hours before the alert went out and 45 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 1997-06-15Temperature 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, Bismarck Municip, ND at 00:00Z on 1997-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2648 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
262 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.

378 
WUUS1 KBIS 150241 RRA
SVRBIS
NDC059-150345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
940 PM CDT SAT JUN 14 1997
 
THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1045 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN CENTRAL NORTH DAKOTA
 
   ...WESTERN MORTON COUNTY
 
AT 830 PM MDT WEATHER SERVICE RADAR INDICATED 2 SEVERE THUNDERSTORMS IN
WESTERN MORTON COUNTY.
 
THE FIRST STORM WAS 45 MILES WEST OF BISMARCK OR 8 MILES SOUTH OF GLEN
ULLEN ON THE GRANT/MORTON COUNTY LINE. THIS STORM IS MOVING EAST AT 15
MILES AN HOUR. TOWNS IN OR NEAR THE PATH OF THIS STORM INCLUDE ALMONT.
IT WILL BE IN THE ALMONT AREA BETWEEN 900 AND 910 PM MDT.
 
THE SECOND STORM WAS 55 MILES WEST OF BISMARCK NEAR THE TOWN OF HEBRON.
THIS STORM AT 835 PM MDT DROPPED 1 INCH HAIL AT HEBRON AND 3/4 INCH OF
RAIN. THIS STORM IS MOVING EAST AT 15 MPH. THIS STORM WILL REMAIN 1-2
MILES NORTH OF I-94.
 
 
 
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
 
HINTZ
&

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, Jun 14, 5:35 PM MDT, 3 hours 5 minutes before
NDZ001>003-009>011-017>021-031>034-040>045-150030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  BISMARCK ND
635 PM CDT SAT JUN 14 1997

...STRONG THUNDERSTORMS CONTINUE TO MARCH ACROSS NORTHWEST AND NORTH
CENTRAL...

AT 630 PM CDT WEATHER RADARS INDICATED A LINE OF THUNDERSTORMS...SOME
WITH VERY HEAVY RAIN...GUSTY WINDS TO 50 MPH AND SMALL HAIL...FROM THE
CANADIAN BORDER 70 MILES NORTH OF MINOT...SOUTHWEST TO NEAR WILLISTON.
THE STORMS WERE MOVING NORTHEAST AT 30 MPH.

THESE STORMS HAVE THE POTENTIAL TO BECOME SEVERE SO BE PREPARED TO SEEK
SHELTER INDOORS IF THREATENING WEATHER APPROACHES.

LEBLANG
Special weather statement, Jun 14, 5:40 PM MDT, 3 hours before
NDZ001>003-009>011-017>021-031>034-040>045-150030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  BISMARCK ND
640 PM CDT SAT JUN 14 1997

...STRONG THUNDERSTORMS CONTINUE TO MARCH ACROSS NORTHWEST AND NORTH
CENTRAL...

AT 630 PM CDT WEATHER RADARS INDICATED A LINE OF THUNDERSTORMS...SOME
WITH VERY HEAVY RAIN...GUSTY WINDS TO 50 MPH AND SMALL HAIL...FROM THE
CANADIAN BORDER 70 MILES NORTH OF MINOT...SOUTHWEST TO NEAR WILLISTON.
THE STORMS WERE MOVING NORTHEAST AT 30 MPH.

BETWEEN 610 AND 625 PM AN OBSERVER IN SHERWOOD REPORTED 1/2 INCH OF RAIN
AND 45 MPH WINDS. SHERWOOD IS 70 MILES NORTH NORTHWEST OF MINOT.

THESE STORMS HAVE THE POTENTIAL TO BECOME SEVERE SO BE PREPARED TO SEEK
SHELTER INDOORS IF THREATENING WEATHER APPROACHES.

LEBLANG
Special weather statement, Jun 14, 5:40 PM MDT, 3 hours before
NDZ001>003-009>011-017>021-031>034-040>045-150030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  BISMARCK ND
640 PM CDT SAT JUN 14 1997

...STRONG THUNDERSTORMS CONTINUE TO MARCH ACROSS NORTHWEST AND NORTH
CENTRAL...

AT 630 PM CDT WEATHER RADARS INDICATED A LINE OF THUNDERSTORMS...SOME
WITH VERY HEAVY RAIN...GUSTY WINDS TO 50 MPH AND SMALL HAIL...FROM THE
CANADIAN BORDER 70 MILES NORTH OF MINOT...SOUTHWEST TO NEAR WILLISTON.
THE STORMS WERE MOVING NORTHEAST AT 30 MPH.

BETWEEN 610 AND 625 PM AN OBSERVER IN SHERWOOD REPORTED 1/2 INCH OF RAIN
AND 45 MPH WINDS. SHERWOOD IS 70 MILES NORTH NORTHWEST OF MINOT.

THESE STORMS HAVE THE POTENTIAL TO BECOME SEVERE SO BE PREPARED TO SEEK
SHELTER INDOORS IF THREATENING WEATHER APPROACHES.

LEBLANG
Special weather statement, Jun 14, 5:43 PM MDT, 2 hours 57 minutes before
NDZ001>003-009>011-017>021-031>034-040>045-150030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  BISMARCK ND
640 PM CDT SAT JUN 14 1997

...STRONG THUNDERSTORMS CONTINUE TO MARCH ACROSS NORTHWEST AND NORTH
CENTRAL...

AT 630 PM CDT WEATHER RADARS INDICATED A LINE OF THUNDERSTORMS...SOME
WITH VERY HEAVY RAIN...GUSTY WINDS TO 50 MPH AND SMALL HAIL...FROM THE
CANADIAN BORDER 70 MILES NORTH OF MINOT...SOUTHWEST TO NEAR WILLISTON.
THE STORMS WERE MOVING NORTHEAST AT 30 MPH.

BETWEEN 610 AND 625 PM AN OBSERVER IN SHERWOOD REPORTED 1/2 INCH OF RAIN
AND 45 MPH WINDS. SHERWOOD IS 70 MILES NORTH NORTHWEST OF MINOT.

THESE STORMS HAVE THE POTENTIAL TO BECOME SEVERE SO BE PREPARED TO SEEK
S6HELTER INDOORS IF THREATENING WEATHER APPROACHES.

LEBLANG
Local storm report, Jun 14, 8:36 PM MDT, 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  BISMARCK ND
936 PM CDT SAT JUN 14 1997

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

0635 PM    DICKINSON                 ND   1.75 INCH HAIL
06/14/97   STARK                          CAR WINDSHIELDS BROKEN
                                          AND HOUSE SIDING DAMAGED

0808 PM    ROSEGLEN                  ND   1.00 INCH HAIL
06/14/97   MCLEAN

LEBLANG
Local storm report, Jun 14, 8:38 PM MDT, 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  BISMARCK ND
936 PM CDT SAT JUN 14 1997

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

0635 PM    DICKINSON                 ND   1.75 INCH HAIL
06/14/97   STARK                          CAR WINDSHIELDS BROKEN
                                          AND HOUSE SIDING DAMAGED

0808 PM    ROSEGLEN                  ND   1.00 INCH HAIL
06/14/967   MCLEAN

LEBLANG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 14, 6:30 PM MDTSevere Thunderstorm WarningBISStark45 min
Jun 14, 6:30 PM MDTSevere Thunderstorm WarningBISMcLean60 min
Jun 14, 7:21 PM MDTSevere Thunderstorm WarningBISStark39 min
Jun 14, 7:24 PM MDTSevere Thunderstorm WarningBISWard66 min
Jun 14, 7:40 PM MDTSevere Thunderstorm WarningBISGrant50 min
Jun 14, 8:04 PM MDTSevere Thunderstorm WarningBISAdams41 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1997Every severe thunderstorm warning in 1997

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.