Alert archive / North Dakota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 22, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 14, 1997, 7:40 PM MDT for Grant County, North Dakota. It was in force for 50 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, 7:40 PM MDT (01:40 UTC)
- Expired
- Jun 14, 1997, 8:30 PM MDT
- In force
- 50 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County Grant County, ND
The radar
The Bismarck radar (KBIS), 81 km from the middle of the area, began a volume at 01:43 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, 1.7 hours before the alert went out and 85 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBIS 150141 RRA SVRBIS NDC037-150230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BISMARCK ND 840 PM CDT (740 PM MDT) SAT JUN 14 1997 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 930 PM CDT (830 PM MDT) FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL NORTH DAKOTA ...NORTHERN GRANT COUNTY AT 720 PM MDT DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM AT THE EXTREME NORTHWEST CORNER OF GRANT COUNTY...13 MILES SOUTHWEST OF GLEN ULLIN...OR 33 MILES SOUTHEAST OF DICKINSON. THE STORM WAS MOVING SOUTHEAST AT 20 MPH. LAKE TSCHIDA AND THE HEART BUTTE DAM AREA IS IN THE PATH OF THIS STORM. THE STORM\ HAS A HISTORY OF 1 1/2 INCH HAIL IN STARK COUNTY. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. VINING
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, 4:30 PM MDT, 3 hours 10 minutes before
NDZ001>003-009>011-017>021-031>034-040>045-142330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 530 PM CDT SAT JUN 14 1997 ...STRONG THUNDERSTORMS OVER PORTIONS OF WESTERN NORTH DAKOTA... AT 530 PM CDT MINOT AND BISMARCK DOPPLER RADARS INDICATED SCATTERED THUNDERSTORMS...SOME WITH VERY HEAVY RAIN AND SMALL HAIL...OVER PARTS OF WESTERN NORTH DAKOTA. ONE CLUSTER OF PARTICULARLY STRONG STORMS WAS LOCATED IN WILLIAMS...BURKE AND NORTHERN MOUNTRAIL COUNTIES OF NORTHWEST NORTH DAKOTA...APPROXIMATELY 75 MILES WEST NORTHWEST OF MINOT. TOWNS NEAR THE PATH OF THESE STORMS INCLUDED POWERS LAKE...BOWBELLS AND NORTHGATE. THE STORMS WERE MOVING EAST NORTHEAST AT 25 MPH. OTHER STRONG THUNDERSTORMS WERE LOCATED IN BILLINGS AND BOWMAN COUNTIES OF SOUTHWESTERN NORTH DAKOTA. THERE IS A POTENTIAL FOR THESE OR ANY OTHER THUNDERSTORMS THAT DEVELOP THIS EVENING TO BECOME SEVERE. IF THREATENING WEATHER APPROACHES SEEK SHELTER INDOORS IMMEDIATELY. LEBLANG
Special weather statement, Jun 14, 4:36 PM MDT, 3 hours 4 minutes before
NDZ001>003-009>011-017>021-031>034-040>045-142330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 530 PM CDT SAT JUN 14 1997 ...STRONG THUNDERSTORMS OVER PORTIONS OF WESTERN NORTH DAKOTA... AT 530 PM CDT MINOT AND BISMARCK DOPPLER RADARS INDICATED SCATTERED THUNDERSTORMS...SOME WITH VERY HEAVY RAIN AND SMALL HAIL...OVER PARTS OF WESTERN NORTH DAKOTA. ONE CLUSTER OF PARTICULARLY STRONG STORMS WAS LOCATED IN WILLIAMS...BURKE AND NORTHERN MOUNTRAIL COUNTIES OF NORTHWEST NORTH DAKOTA...APPROXIMATELY 75 MILES WEST NORTHWEST OF MINOT. TOWNS NEAR THE PATH OF THESE STORMS INCLUDED POWERS LAKE...BOWBELLS AND NORTHGATE. THE STORMS WERE MOVING EAST NORTHEAST AT 25 MPH. OTHER STRONG THUNDERSTORMS WERE LOCATED IN BILLINGS AND BOWMAN COUNTIES OF SOUTHWESTERN NORTH DAKOTA. THERE IS A POTENTIAL FOR THESE OR ANY OTHER THUNDERSTORMS THAT DEVELOP THIS EVENING TO BECOME SEVERE. IF THREATENING WEATHER APPROACHES SEEK SHELTER .INDOORS IMMEDIATELY. LEBLANG
Special weather statement, Jun 14, 5:35 PM MDT, 2 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, 2 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, 2 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, 1 hour 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
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 14, 6:30 PM MDT | Severe Thunderstorm Warning | BIS | Stark | 45 min |
| Jun 14, 6:30 PM MDT | Severe Thunderstorm Warning | BIS | McLean | 60 min |
| Jun 14, 7:21 PM MDT | Severe Thunderstorm Warning | BIS | Stark | 39 min |
| Jun 14, 7:24 PM MDT | Severe Thunderstorm Warning | BIS | Ward | 66 min |
| Jun 14, 8:04 PM MDT | Severe Thunderstorm Warning | BIS | Adams | 41 min |
| Jun 14, 8:40 PM MDT | Severe Thunderstorm Warning | BIS | Morton | 65 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.