Alert archive / North Dakota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 116, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jul 24, 1997, 8:25 PM CDT for McLean County, North Dakota. It was in force for 65 min. 1 report 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, 8:25 PM CDT (01:25 UTC)
- Expired
- Jul 24, 1997, 9:30 PM CDT
- In force
- 65 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County McLean County, ND
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 24, 8:57 PM CDT | Hail 1.75 | Garrison, ND | hail fell 12 N Garrison along with 60 mph winds. |
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, 1.4 hours before the alert went out and 104 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.
000 TTAA00 KBIS 250127 RRA SVRBIS NDC055-250230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BISMARCK ND 825 PM CDT THU JUL 24 1997 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 930 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL NORTH DAKOTA ...NORTHERN MCLEAN COUNTY AT 825 PM CDT A SEVERE THUNDERSTORM WAS LOCATED 35 MILES SOUTHWEST OF MINOT OR 10 MILES SOUTHWEST OF DOULAS. THIS STORM WAS MOVING TO THE NORTHEAST AT 10 MPH. TOWNS IN THE PATH OF THIS STORM INCLUDE DOUGLAS AND MAX. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. FRANSEN/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, Jul 24, 7:01 PM CDT, 1 hour 24 minutes before
NDZ004-250030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 701 PM CDT THU JUL 24 1997 ...A SEVERE THUNDERSTORM WARNING CONTINUES IN EFFECT FOR BOTTINEAU COUNTY UNTIL 730 PM CDT... AT 658 PM CDT WEATHER RADAR INDICATED A CLUSTER OF SEVERE STORMS CENTERED 45 MILES NORTHEAST OF MINOT NEAR THE TOWNS OF NEWBURG AND SOURIS. THE STORMS WERE MOVING EAST 25 MPH...AND TOWNS IN THEIR PATH INC DBOTTINEAU AND KRAMER.
Special weather statement, Jul 24, 7:02 PM CDT, 1 hour 23 minutes before
NDZ004-250030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 701 PM CDT THU JUL 24 1997 ...A SEVERE THUNDERSTORM WARNING CONTINUES IN EFFECT FOR BOTTINEAU COUNTY UNTIL 730 PM CDT... ^ AT 658 PM CDT WEATHER RADAR INDICATED A CLUSTER OF SEVERE STORMS CENTERED 45 MILES NORTHEAST OF MINOT NEAR THE TOWNS OF NEWBURG AND SOURIS. THE STORMS WERE MOVING EAST 25 MPH...AND TOWNS IN THEIR PATH INC DBOTTINEAU AND KRAMER.
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 7:28 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Rolette | 62 min |
| 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, 8:26 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.