Alert archive / North Dakota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 47, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 28, 1997, 11:06 PM CDT for McHenry County, North Dakota. It was in force for 69 min. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 28, 1997, 11:06 PM CDT (04:06 UTC)
- Expired
- Jun 29, 1997, 12:15 AM CDT
- In force
- 69 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County McHenry County, ND
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 28, 11:15 PM CDT | Tornado F0 | Bantry, ND | report of brief tornado touchdown in pasture |
| Jun 28, 11:18 PM CDT | Tornado F0 | Deering, ND | The tornado touched down just ouside of the town. It moved northeast and hit the edge of a farm. A small barn was destroyed by the tornado as it moved through. Damage amout estimated |
| Jun 29, 12:10 AM CDT | Tornado F0 | Towner, ND | brief tornado touchdown reported by law enforcement |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 28, 10:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 4.1 hours before the alert went out and 163 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
- 547 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 2546 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
396 WUUS1 KBIS 290405 SVRBIS NDC049-290515- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BISMARCK ND 1106 PM CDT SAT JUN 28 1997 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1215 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH CENTRAL NORTH DAKOTA ...NORTHERN MCHENRY COUNTY AT 10 PM CDT WEATHER RADAR INDICATED A SEVERE THUNDERSTORM 25 MILES NORTHEAST OF MINOT OR 10 MILES WEST OF UPHAM. THE STORM WAS MOVING SOUTHEAST 15 MPH. THE TOWNS IN AND NEAR THE PATH INCLUDE DEERING...GRANVILLE AND DENBIGH. THIS STORM PRODUCED A TORNADO EARLIER THIS EVENING IN WESTERN BOTTINEAU 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. LM
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 9:32 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau | 43 min |
| Jun 28, 10:07 PM CDT | Tornado Warning | BIS | Bottineau, McHenry | 53 min |
| Jun 28, 11:17 PM CDT | Tornado Warning | BIS | McHenry | 28 min |
| Jun 28, 11:46 PM CDT | Tornado Warning | BIS | McHenry | 44 min |
| Jun 29, 12:16 AM CDT | Severe Thunderstorm Warning | BIS | Stark | 59 min |
| Jun 29, 12:32 AM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 58 min |
| Jun 29, 12:33 AM CDT | Severe Thunderstorm Warning | BIS | McHenry | 57 min |
| Jun 29, 2:06 AM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton | 69 min |
| Jun 29, 4:45 PM CDT | Severe Thunderstorm Warning | BIS | Williams | 60 min |
| Jun 29, 6:04 PM CDT | Severe Thunderstorm Warning | BIS | Williams | 56 min |
| Jun 29, 6:56 PM CDT | Severe Thunderstorm Warning | BIS | Williams | 64 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.