Alert archive / North Dakota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 113, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jul 24, 1997, 7:28 PM CDT for Bottineau County, Rolette County, North Dakota. It was in force for 62 min. 2 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
- Jul 24, 1997, 7:28 PM CDT (00:28 UTC)
- Expired
- Jul 24, 1997, 8:30 PM CDT
- In force
- 62 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
Counties Bottineau County, ND, Rolette County, ND
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 24, 8:00 PM CDT | Hail 0.75 | Dunseith, ND | hail fell 10 N Dunsieth |
| Jul 24, 8:12 PM CDT | Hail 1.75 | Willow City, ND |
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 |
|---|---|---|---|
| Jul 24, 5:45 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 0.5 hours before the alert went out and 225 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
- 2435 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 1524 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- -21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
011 WUUS1 KBIS 250029 RRA SVRBIS NDC009-079-250130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BISMARCK ND 728 PM CDT THU JUL 24 1997 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTH CENTRAL NORTH DAKOTA ...EASTERN BOTTINEAU COUNTY...ROLETTE COUNTY AT 730 PM CDT WEATHER RADAR SHOWED A CLUSTER OF SEVERE THUNDERSTORMS EXTENDING FROM NEAR BOTTINEAU TO 25 MILES SOUTHWEST OF BOTTINEAU NEAR RUSSEL. THE STORMS WERE MOVING EAST 25 MPH. TOWNS IN THE PATH OF THESE STORMS INCLUDE GARDENA...WILLOW CITY...ROLETTE AND DUNSEITH. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 7:32 PM CDT | Severe Thunderstorm Warning | BIS | Stark | 58 min |
| Jul 24, 8:01 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce | 59 min |
| Jul 24, 8:10 PM CDT | Tornado Warning | BIS | Pierce | 65 min |
| Jul 24, 8:25 PM CDT | Severe Thunderstorm Warning | BIS | McLean | 65 min |
| Jul 24, 8:26 PM CDT | Severe Thunderstorm Warning | BIS | Rolette | 49 min |
| Jul 24, 9:03 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce | 57 min |
| Jul 24, 9:42 PM CDT | Severe Thunderstorm Warning | BIS | McLean | 63 min |
| Jul 24, 10:00 PM CDT | Severe Thunderstorm Warning | BIS | McHenry | 60 min |
| Jul 25, 2:30 PM CDT | Severe Thunderstorm Warning | BIS | Kidder | 60 min |
| Jul 25, 2:34 PM CDT | Severe Thunderstorm Warning | BIS | Emmons | 56 min |
| Jul 25, 2:54 PM CDT | Tornado Warning | BIS | Renville, Ward | 51 min |
| Jul 25, 3:12 PM CDT | Tornado Warning | BIS | Bottineau | 63 min |
| Jul 25, 3:14 PM CDT | Severe Thunderstorm Warning | BIS | Logan, McIntosh | 61 min |
| Jul 25, 3:32 PM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 43 min |
| Jul 25, 3:49 PM CDT | Tornado Warning | BIS | McHenry, Ward | 51 min |
| Jul 25, 5:53 PM CDT | Severe Thunderstorm Warning | BIS | Dickey | 52 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.