Alert archive / North Dakota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 60, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 30, 1997, 3:32 AM MDT for Grant County, Hettinger County, Sioux County, North Dakota. It was in force for 58 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 30, 1997, 3:32 AM MDT (09:32 UTC)
- Expired
- Jun 30, 1997, 4:30 AM MDT
- In force
- 58 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
Counties Grant County, ND, Hettinger County, ND, Sioux County, ND
The radar
The Bismarck radar (KBIS), 90 km from the middle of the area, began a volume at 09:36 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, 9.5 hours before the alert went out and 93 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
- 419 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1495 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 247 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBIS 300932 RRA SVRBIS NDC037-085-041-301030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BISMARCK ND 432 AM CDT (332 AM MDT) MON JUN 30 1997 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 530 AM CDT (430 AM MDT) FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL NORTH DAKOTA ...GRANT COUNTY...SIOUX COUNTY IN SOUTHWEST NORTH DAKOTA ...EASTERN HETTINGER COUNTY AT 325 AM MDT DOPPLER WEATHER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM 40 MILES NORTHEAST TO 60 MILES SOUTHEAST OF BOWMAN MOVING NORTHEAST AT 30 MPH. CITIES IN THE PATH OF THESE STORMS INCLUDES...MOTT...ELGIN...CARSON...SHIELDS...AND SELFRIDGE. THE STORMS HAVE A HISTORY OF PRODUCING WINDS TO 60 MPH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO <AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. & TH/RGT
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 30, 1:15 AM MDT, 2 hours 17 minutes before
NDZ043-300815- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 215 AM CDT MON JUN 30 1997 ...STRONG THUNDERSTORMS MOVING INTO BOWMAN COUNTY... AT 110 AM MDT WEATHER RADAR INDICATED A STRONG THUNDERSTORM MOVING INTO EXTREME SOUTHWEST BOWMAN COUNTY. THE STORM WAS MOVING EAST...NORTHEAST AT 30 MPH. THE STORM WILL AFFECT THE SOUTHERN AREAS OF BOWMAN COUNTY... INCLUDING THE BOWMAN HALEY DAM. THIS STORM WILL PRODUCE GUSTY WINDS TO NEAR 45 MPH...BRIEF HEAVY RAIN AND SMALL HAIL. RGT
Special weather statement, Jun 30, 1:19 AM MDT, 2 hours 13 minutes before
NDZ043-300815- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 215 AM CDT MON JUN 30 1997 ...STRONG THUNDERSTORMS MOVING INTO BOWMAN COUNTY... AT 110 AM MDT WEATHER RADAR INDICATED A STRONG THUNDERSTORM MOVING INTO EXTREME SOUTHWEST BOWMAN COUNTY. THE STORM WAS MOVING EAST...NORTHEAST AT 30 MPH. THE STORM WILL AFFECT THE SOUTHERN AREAS OF BOWMAN COUNTY... INCLUDING THE BOWMAN HALEY DAM. THIS STORM WILL PRODUCE GUSTY WINDS TO NEAR 45 MPH...BRIEF HEAVY RAIN AND SMALL HAIL. RGT
Special weather statement, Jun 30, 3:05 AM MDT, 27 minutes before
NDZ044-300930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 405 AM CDT MON JUN 30 1997 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR ADAMS COUNTY IN SOUTHWEST NORTH DAKOTA UNTIL 330 AM MDT... AT 300 AM MDT THE CITY OF HETTINGER REPORTED WIND GUST TO 58 MPH. AT 300 AM MDT DOPPLER WEATHER RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS MOVING THROUGH WESTERN ADAMS COUNTY...OVER THE COMMUNITIES OF REEDER...BUCYRUS AND HETTINGER. THE LINE OF STORMS MAY PRODUCE WINDS TO 60 MPH...BRIEF VERY HEAVY RAIN AND HAIL. IF THREATENING WEATHER APPROACHES SEEK INDOOR SHELTER IMMEDIATLY. TURNER
Special weather statement, Jun 30, 3:09 AM MDT, 23 minutes before
NDZ044-300930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 405 AM CDT MON JUN 30 1997 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR ADAMS COUNTY IN SOUTHWEST NORTH DAKOTA UNTIL 330 AM MDT... AT 300 AM MDT THE CITY OF HETTINGER REPORTED WIND GUST TO 58 MPH. AT 300 AM MDT DOPPLER WEATHER RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS MOVING THROUGH WESTERN ADAMS COUNTY...OVER THE COMMUNITIES OF REEDER...BUCYRUS AND HETTINGER. THE LINE OF STORMS MAY PRODUCE WINDS TO 60 MPH...BRIEF VERY HEAVY RAIN AND HAIL. IF THREATENING WEATHER APPROACHES SEEK INDOOR SHELTER IMMEDIATLY. TURNER
Special weather statement, Jun 30, 3:14 AM MDT, 18 minutes before
NDZ001>053-MNZ001>003-302130- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE BISMARCK ND 500 AM CDT SAT JUN 28 1997 ...THERE IS A CHANCE OF SEVERE THUNDERSTORMS IN THE SOUTHWEST AND SOUTH CENTRAL PART OF THE STATE THIS MORNING... FORECAST...THERE IS A CHANCE OF THUNDERSTORMS ACROSS ALL OF NORTH DAKOTA TODAY. DISCUSSION...A LINE OF THUNDERSTORMS MOVING THROUGH SOUTHWEST NORTH DAKOTA THIS MORNING MAY PRODUCE SEVERE WINDS AND HAIL AS IT MOVES INTO THE SOUTH CENTRAL PART OF THE STATE. BY THIS EVENING THERE IS A SLIGHT RISK OF SEVERE WEATHER ACROSS ALL OF CENTRAL AND WESTERN NORTH DAKOTA AS AN UPPER LEVEL DISTURBANCE MOVES TOWARD THE STATE. WEATHER SPOTTERS MAY BE NEEDED THIS MORNING IN THE SOUTHWEST AND SOUTH CENTRAL. SPOTTERS ACROSS ALL OF WEST AND CENTRAL NORTH DAKOTA SHOULD REMAIN ALERT FOR POSSIBLE ACTIVATION THIS EVENING. THIS PRODUCT IS FOR PLANNING PURPOSES ONLY. LISTEN FOR LATER FORECASTS AND POSSIBLE WARNING. TWH
Special weather statement, Jun 30, 3:22 AM MDT, 10 minutes before
NDZ001>053-MNZ001>003-302130- SEVERE WEATHER OUTLOOK...CORRECTION TO DATE... NATIONAL WEATHER SERVICE BISMARCK ND 500 AM CDT MON JUN 30 1997 ...THERE IS A CHANCE OF SEVERE THUNDERSTORMS IN THE SOUTHWEST AND SOUTH CENTRAL PART OF THE STATE THIS MORNING... FORECAST...THERE IS A CHANCE OF THUNDERSTORMS ACROSS ALL OF NORTH DAKOTA TODAY. DISCUSSION...A LINE OF THUNDERSTORMS MOVING THROUGH SOUTHWEST NORTH DAKOTA THIS MORNING MAY PRODUCE SEVERE WINDS AND HAIL AS IT MOVES INTO THE SOUTH CENTRAL PART OF THE STATE. BY THIS EVENING THERE IS A SLIGHT RISK OF SEVERE WEATHER ACROSS ALL OF CENTRAL AND WESTERN NORTH DAKOTA AS AN UPPER LEVEL DISTURBANCE MOVES TOWARD THE STATE. WEATHER SPOTTERS MAY BE NEEDED THIS MORNING IN THE SOUTHWEST AND SOUTH CENTRAL. SPOTTERS ACROSS ALL OF WEST AND CENTRAL NORTH DAKOTA SHOULD REMAIN ALERT FOR POSSIBLE ACTIVATION THIS EVENING. THIS PRODUCT IS FOR PLANNING PURPOSES ONLY. LISTEN FOR LATER FORECASTS AND POSSIBLE WARNING. TWH
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 6:33 PM MDT | Severe Thunderstorm Warning | BIS | McKenzie | 57 min |
| Jun 29, 7:28 PM MDT | Severe Thunderstorm Warning | BIS | McKenzie | 62 min |
| Jun 29, 8:36 PM MDT | Severe Thunderstorm Warning | BIS | McKenzie | 69 min |
| Jun 30, 1:48 AM MDT | Severe Thunderstorm Warning | BIS | Bowman | 42 min |
| Jun 30, 2:33 AM MDT | Severe Thunderstorm Warning | BIS | Adams | 57 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.