Alert archive / North Dakota / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 83, NWS Bismarck, ND

July 11, 1997Stutsman County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jul 11, 1997, 12:01 AM CDT for Stutsman County, North Dakota. It was in force for 44 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
Jul 11, 1997, 12:01 AM CDT (05:01 UTC)
Expired
Jul 11, 1997, 12:45 AM CDT
In force
44 min
Issued by
NWS Bismarck, ND
Area
Whole counties

County Stutsman County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 138 km from the middle of the area, began a volume at 05:03 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 10, 7:45 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 5.0 hours before the alert went out and 134 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 1997-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4434 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 1997-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.1939Sfc1 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
4434 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1269 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
176 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.

000 
TTAA00 KBIS 110501 RRA
SVRBIS
NDC093-110545-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
1201 AM CDT FRI JUL 11 1997
 
THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1245 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL NORTH DAKOTA
 
   ...STUTSMAN COUNTY
 
AT 1157 PM CDT WEATHER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
FROM 40 MILES NORTHWEST OF JAMESTOWN TO 50 MILES SOUTHWEST OF JAMESTOWN.
ANOTHER LINE OF STRONG THUNDERSTORMS WAS DVELOPING OVER EXTREME EASTERN
STUTSMAN COUNTY NEAR JAMESTOWN. TOWNS NEAR THE PATH OF THESE STORMS
INCLUDE JAMESTOWN..MEDINA AND WINDSOR.
 
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
 
LEBLANG

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

Local storm report, Jul 10, 9:01 PM CDT, 3 hours before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  BISMARCK ND
900 PM CDT THU JUL 10 1997

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

0509 PM    9 E BEACH                 ND   1.00 INCH HAIL
07/10/97   GOLDEN VALLEY                  COVERING THE GROUND LIKE
                                          A WINTER STORM

0538 PM    MEDORA                    ND   2.00 INCH HAIL
07/10/97   BILLINGS

0730 PM    3 SW FAIRFIELD            ND   58 MPH WIND GUST
07/10/97   BILLINGS                       DAMAGE TO CATTLE BARN AND
                                          TREES

0838 PM    7 S BEULAH                ND   65 MPH WIND GUST
07/1b0/97   MERCER

0845 PM    7 N MINOT                 ND   1.00 INCH HAIL
07/10/97   WARD                           AT MINOT AIRFORCE BASE

NOAH
Local storm report, Jul 10, 9:22 PM CDT, 2 hours 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  BISMARCK ND
922 PM CDT THU JUL 10 1997

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

0855 PM    5 NE HEBRON               ND   58 MPH WIND GUST
07/10/97   MORTON                         TREE DAMAGE ALONG HIGHWAY
                                          49

0902 PM    7 S BEULAH                ND   85 MPH WIND GUST
07/10/97   MERCER                         ESTIMATED BY
                                          PUBLIC...METAL STOP SIGN
                                          BENT IN HALF

0910 PM    5 N MINOT                 ND   TORNADO
07/10/97   WARD                           REPORT RECEIVED FROM
                                          MINOT AIRFORCE
                                          BASE...DEBRIS CLOUD SEEN.

NOAH
Local storm report, Jul 10, 10:09 PM CDT, 1 hour 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  BISMARCK ND
1010 PM CDT THU JUL 10 1997

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

0855 PM    ZAP                       ND   0.75 INCH HAIL
07/10/97   MERCER                         REPORT FROM COOP OBSERVER

0930 PM    GLENBURN                  ND   70 MPH WIND GUST
07/10/97   RENVILLE                       NUMEROUS TREES DOWN AND METAL
                                          GRAIN BINS DOWN AT ELEVATOR

0935 PM    10 N MINOT                ND   68 MPH WIND GUST
07/10/97   WARD                           AT AIR FORCE BASE...WIND
                                          ESTIMATED...EQUIPMENT DAMAGE

0935 PM    LANDSFORD                 ND   60 MPH WIND GUST
07/10/97   BOTTINEAU

NOAH
Local storm report, Jul 10, 10:10 PM CDT, 1 hour 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  BISMARCK ND
1010 PM CDT THU JUL 10 1997

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

0855 PM    ZAP                       ND   0.75 INCH HAIL
07/10/97   MERCER                         REPORT FROM COOP OBSERVER

0930 PM    GLENBURN                  ND   70 MPH WIND GUST
07/10/97   RENVILLE                       NUMEROUS TREES DOWN AND METAL
                                          GRAIN BINS DOWN AT ELEVATOR

0935 PM    10 N MINOT                ND   68 MPH WIND GUST
07/10/97   WARD                           AT AIR FORCE BASE...WIND
                                          ESTIMATED...EQUIPMENT DAMAGE

0935 PM    LANDSFORD                 ND   60 MPH WIND GUST
07/10/97   BOTTINEAU

NOAH
Special weather statement, Jul 10, 10:35 PM CDT, 1 hour 26 minutes before
NDZ001>007-009>015-017>025-031>037-040>048-050-051-110500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  BISMARCK ND
1035 PM CDT THU JUL 10 1997

...SEVERE THUNDERSTORM WATCH NO LONGER IN EFFECT IN WESTERN NORTH
DAKOTA...
...SEVERE THUNDERSTORM WATCH CONTINUES FOR CENTRAL NORTH DAKOTA UNTIL
2 AM CDT...

STORMS HAVE MOVED OUT OF WESTERN NORTH DAKOTA SO CITIES INCLUDING
WILLISTON...DICKINSON AND HETTINGER ARE NO LONGER UNDER A SEVERE
THUNDERSTORM WATCH. MORE SHOWERS AND THUNDERSTORMS ARE POSSIBLE LATER
TONIGHT.

AT 1035 PM CDT A LINE OF STRONG TO SEVERE THUNDERSTORMS EXTENDED FROM
BOTTINEAU TO WEST OF MOBRIDGE SOUTH DAKOTA. WINDS OVER 70 MPH...2 INCH
HAIL...FUNNEL CLOUDS AND A FEW TORNADOES HAVE BEEN REPORTED WITH SOME OF
THESE STORMS. IF THREATENING WEATHER APPROACHES SEEK SHELTER. LISTEN TO
LATER FORECASTS AND POSSIBLE WARNINGS. THE LINE WILL APPROACH THE DEVILS
LAKE AND JAMESTOWN AREA BETWEEN 1 AM AND 2 AM CDT.

NOAH
Special weather statement, Jul 10, 10:39 PM CDT, 1 hour 22 minutes before
NDZ001>007-009>015-017>025-031>037-040>048-050-051-110500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  BISMARCK ND
1035 PM CDT THU JUL 10 1997

...SEVERE THUNDERSTORM WATCH NO LONGER IN EFFECT IN WESTERN NORTH
DAKOTA...
...SEVERE THUNDERSTORM WATCH CONTINUES FOR CENTRAL NORTH DAKOTA UNTIL
2 AM CDT...

STORMS HAVE MOVED OUT OF WESTERN NORTH DAKOTA SO CITIES INCLUDING
WILLISTON...DICKINSON AND HETTINGER ARE NO LONGER UNDER A SEVERE
THUNDERSTORM WATCH. MORE SHOWERS AND THUNDERSTORMS ARE POSSIBLE LATER
TONIGHT.

AT 1035 PM CDT A LINE OF STRONG TO SEVERE THUNDERSTORMS EXTENDED FROM
BOTTINEAU TO WEST OF MOBRIDGE SOUTH DAKOTA. WINDS OVER 70 MPH...2 INCH
HAIL...FUNNEL CLOUDS AND A FEW TORNADOES HAVE BEEN REPORTED WITH SOME OF
THESE STORMS. IF THREATENING WEATHER APPROACHES SEEK SHELTER. LISTEN TO
LATER FORECASTS AND POSSIBLE WARNINGS. THE LINE WILL APPROACH THE DEVILS
LAKE AND JAMESTOWN AREA BETWEEN 1 AM AND 2 AM CDT.

NOAH
H

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 10, 7:11 PM CDTSevere Thunderstorm WarningBISDunn64 min
Jul 10, 7:45 PM CDTSevere Thunderstorm WarningBISBurke, Mountrail60 min
Jul 10, 8:00 PM CDTSevere Thunderstorm WarningBISMcLean, Mercer60 min
Jul 10, 8:25 PM CDTSevere Thunderstorm WarningBISGrant, Sioux65 min
Jul 10, 8:41 PM CDTTornado WarningBISMercer34 min
Jul 10, 8:51 PM CDTSevere Thunderstorm WarningBISMorton54 min
Jul 10, 8:52 PM CDTSevere Thunderstorm WarningBISMountrail, Ward68 min
Jul 10, 9:09 PM CDTSevere Thunderstorm WarningBISBottineau, Renville66 min
Jul 10, 9:15 PM CDTTornado WarningBISWard30 min
Jul 10, 9:25 PM CDTSevere Thunderstorm WarningBISBurleigh, Morton65 min
Jul 10, 9:49 PM CDTSevere Thunderstorm WarningBISBottineau, McHenry56 min
Jul 10, 9:51 PM CDTSevere Thunderstorm WarningBISMcLean, Mercer69 min
Jul 10, 9:57 PM CDTTornado WarningBISMcHenry33 min
Jul 10, 10:10 PM CDTSevere Thunderstorm WarningBISSioux50 min
Jul 10, 10:50 PM CDTSevere Thunderstorm WarningBISMcHenry, Pierce40 min
Jul 10, 10:50 PM CDTSevere Thunderstorm WarningBISEmmons40 min
Jul 10, 11:29 PM CDTSevere Thunderstorm WarningBISPierce, Rolette46 min
Jul 11, 4:31 PM CDTSevere Thunderstorm WarningBISRenville, Ward44 min
Jul 11, 4:54 PM CDTSevere Thunderstorm WarningBISBurke66 min
Jul 11, 6:23 PM CDTSevere Thunderstorm WarningBISMcLean, Oliver67 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.