Alert archive / North Dakota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 43, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 28, 1997, 7:50 AM CDT for LaMoure County, North Dakota. It was in force for 40 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 28, 1997, 7:50 AM CDT (12:50 UTC)
- Expired
- Jun 28, 1997, 8:30 AM CDT
- In force
- 40 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County LaMoure County, ND
The radar
The Aberdeen radar (KABR), 112 km from the middle of the area, began a volume at 12:53 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 12:00Z, 0.8 hours before the alert went out and 169 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
- 2256 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- -116 m²/s²
- 0-3 km storm-relative helicity
- -214 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 281250 RRA SVRBIS NDC045-281330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BISMARCK ND 750 AM CDT SAT JUN 28 1997 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST NORTH DAKOTA ...SOUTHERN AND EASTERN LA MOURE COUNTY AT 745 AM CDT A STORM SPOTTER REPORTED GOLFBALL SIZED HAIL 8 MILES NORTHWEST OF LAMOURE IN LAMOURE COUNTY...OR 33 MILES SOUTHEAST OF JAMESTOWN. THE THUNDERSTORM PRODUCING THE HAIL WAS MOVING EAST AT 30 MPH. PERSONS FROM DICKEY TO LAMOURE AND EAST THROUGH EASTERN DICKEY COUNTY SHOULD TAKE SHELTER IMMEDIATELY IN A REINFORCED BUILDING. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. &
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 28, 3:40 AM CDT, 4 hours 10 minutes before
NDZ045-280945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 340 AM CDT SAT JUN 28 1997 AT 335 AM CDT A STRONG THUNDERSTORM WAS LOCATED OVER EXTREME NORTHERN SIOUX COUNTY NEAR BREIN...OR 35 MILES SOUTH SOUTHWEST OF BISMARCK. THIS STORM WILL CONTAIN BRIEF HEAVY RAIN AND SMALL HAIL. THE STORM WAS MOVING NORTHEAST AT 20 MPH. TURNER
Special weather statement, Jun 28, 3:45 AM CDT, 4 hours 5 minutes before
NDZ045-280945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 340 AM CDT SAT JUN 28 1997 AT 335 AM CDT A STRONG THUNDERSTORM WAS LOCATED OVER EXTREME NORTHERN SIOUX COUNTY NEAR BREIN...OR 35 MILES SOUTH SOUTHWEST OF BISMARCK. THIS STORM WILL CONTAIN BRIEF HEAVY RAIN AND SMALL HAIL. THE STORM WAS MOVING NORTHEAST AT 20 MPH. TURNER
Special weather statement, Jun 28, 5:00 AM CDT, 2 hours 50 minutes before
NDZ001>053-MNZ001>003-282130- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE BISMARCK ND 500 AM CDT SAT JUN 28 1997 ...THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS IN THE EXTREME SOUTHERN PORTION OF WEST AND CENTRAL NORTH DAKOTA TODAY... FORECAST...THERE IS A CHANCE OF THUNDERSTORMS ACROSS ALL OF NORTH DAKOTA TODAY. DISCUSSION...A STATIONARY FRONT FROM EASTERN NORTH DAKOTA...SOUTHWEST ALONG THE SOUTH DAKOTA BORDER WILL PROVIDE A FOCUSING MECHANISM FOR THUNDERSTORM DEVELOPMENT TODAY. THE ATMOSPHERE REMAINS MOIST AND WITH DAYTIME HEATING ANY THUNDERSTORMS THAT DO DEVELOP NEAR THE FRONT HAVE THE POTENTIAL TO REACH SEVERE LIMITS. WEATHER SPOTTERS FROM WILLISTON TO MINOT WILL LIKELY NOT BE NEEDED TODAY. SPOTTERS IN THE DICKINSON...BISMARCK AND JAMESTOWN AREAS SHOULD REMAIN ALERT FOR THE POSSIBILITY OF SEVERE THUNDERSTORMS...MAINLY ALONG THE SOUTHERN TIER COUNTIES. IF CONDITIONS CHANGE...AN UPDATED STATEMENT WILL BE ISSUED LATER THIS MORNING. THIS PRODUCT IS FOR PLANNING PURPOSES ONLY. LISTEN FOR LATER FORECASTS AND POSSIBLE WARNING. TWH
Special weather statement, Jun 28, 5:00 AM CDT, 2 hours 50 minutes before
NDZ001>053-MNZ001>003-282130- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE BISMARCK ND 500 AM CDT SAT JUN 28 1997 ...THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS IN THE EXTREME SOUTHERN PORTION OF WEST AND CENTRAL NORTH DAKOTA TODAY... FORECAST...THERE IS A CHANCE OF THUNDERSTORMS ACROSS ALL OF NORTH DAKOTA TODAY. DISCUSSION...A STATIONARY FRONT FROM EASTERN NORTH DAKOTA...SOUTHWEST ALONG THE SOUTH DAKOTA BORDER WILL PROVIDE A FOCUSING MECHANISM FOR THUNDERSTORM DEVELOPMENT TODAY. THE ATMOSPHERE REMAINS MOIST AND WITH DAYTIME HEATING ANY THUNDERSTORMS THAT DO DEVELOP NEAR THE FRONT HAVE THE POTENTIAL TO REACH SEVERE LIMITS. WEATHER SPOTTERS FROM WILLISTON TO MINOT WILL LIKELY NOT BE NEEDED TODAY. SPOTTERS IN THE DICKINSON...BISMARCK AND JAMESTOWN AREAS SHOULD REMAIN ALERT FOR THE POSSIBILITY OF SEVERE THUNDERSTORMS...MAINLY ALONG THE SOUTHERN TIER COUNTIES. IF CONDITIONS CHANGE...AN UPDATED STATEMENT WILL BE ISSUED LATER THIS MORNING. 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 27, 8:17 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 43 min |
| Jun 28, 8:17 AM CDT | Tornado Warning | BIS | LaMoure | 28 min |
| Jun 28, 8:38 AM CDT | Severe Thunderstorm Warning | BIS | Dickey | 67 min |
| Jun 28, 8:50 AM CDT | Severe Thunderstorm Warning | BIS | LaMoure | 40 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.