Alert archive / North Dakota / Tornado Warnings in 1997
Tornado Warning 12, NWS Bismarck, ND
NWS Bismarck, ND issued this tornado warning at Jul 23, 1997, 7:36 PM CDT for Renville County, North Dakota. It was in force for 39 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 23, 1997, 7:36 PM CDT (00:36 UTC)
- Expired
- Jul 23, 1997, 8:15 PM CDT
- In force
- 39 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County Renville County, ND
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 23, 8:10 PM CDT | Hail 0.75 | Glenburn, 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 23, 6:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 0.6 hours before the alert went out and 228 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
- 3283 J/kg
- Mixed-layer CIN
- -13 J/kg
- Mixed-layer LCL
- 994 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 166 m²/s²
- Significant tornado parameter
- 2.5
- Supercell composite
- 12.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBIS 240111 RRA TORBIS NDC075-240115- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BISMARCK ND 736 PM CDT WED JUL 23 1997 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 815 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH CENTRAL NORTH DAKOTA ...SOUTHERN RENVILLE COUNTY AT 730 PM CDT A TORNADO WAS REPORTED TO HAVE TOUCHED DOWN 10 MILES NORTH OF CARPIO OR 30 MILES NORTHWEST OF MINOT. THE STORM WAS MOVING EAST 15 MPH. THE TOWNS OF GRANO AND GLENBURN ARE IN ITS PATH. IT WILL ALSO CROSS LAKE DARLING. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM SUCH AS A CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS... OR CUSHIONS TO COVER YOUR BODY. AVOID WINDOWS. &
What forecasters said that day
The local office's own words before this tornado 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 23, 1:40 PM CDT, 5 hours 56 minutes before
NDZ005-013-231915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 140 PM CDT WED JUL 23 1997 ...STRONG THUNDERSTORM IN EASTERN PIERCE AND EXTREME SOUTHERN ROLETTE COUNTIES... AT 138 PM CDT DOPPLER WEATHER RADAR INDICATED A STRONG THUNDERSTORM 65 MILES EAST OF MINOT...NEAR WOLFORD...MOVING EAST AT 35 MPH. THIS STORM WILL LIKELY PRODUCE 1/2 INCH HAIL...GUSTY WINDS TO 55 MPH AND VERY HEAVY RAIN. TOWNS NEAR ITS PATH INCLUDE WOLFORD. IF THREATENING WEATHER APPROACHES SEEK SHELTER INDOORS IMMEDIATELY. STAY AWAY FROM WINDOWS. LEBLANG
Special weather statement, Jul 23, 1:44 PM CDT, 5 hours 52 minutes before
NDZ005-013-231915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 140 PM CDT WED JUL 23 1997 ...STRONG THUNDERSTORM IN EASTERN PIERCE AND EXTREME SOUTHERN ROLETTE COUNTIES... AT 138 PM CDT DOPPLER WEATHER RADAR INDICATED A STRONG THUNDERSTORM 65 MILES EAST OF MINOT...NEAR WOLFORD...MOVING EAST AT 35 MPH. THIS STORM WILL LIKELY PRODUCE 1/2 INCH HAIL...GUSTY WINDS TO 55 MPH AND VERY HEAVY RAIN. TOWNS NEAR ITS PATH INCLUDE WOLFORD. IF THREATENING WEATHER APPROACHES SEEK SHELTER INDOORS IMMEDIATELY. STAY AWAY FROM WINDOWS. LEBLANG
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 7:20 PM CDT | Severe Thunderstorm Warning | BIS | Mountrail | 55 min |
| Jul 23, 8:15 PM CDT | Severe Thunderstorm Warning | BIS | Mountrail | 60 min |
| Jul 23, 8:18 PM CDT | Severe Thunderstorm Warning | BIS | Ward | 42 min |
| Jul 23, 8:18 PM CDT | Tornado Warning | BIS | Renville, Ward | 42 min |
| Jul 23, 8:30 PM CDT | Severe Thunderstorm Warning | BIS | McHenry | 60 min |
| Jul 23, 9:00 PM CDT | Severe Thunderstorm Warning | BIS | Ward | 30 min |
| Jul 23, 9:26 PM CDT | Severe Thunderstorm Warning | BIS | McHenry | 64 min |
| Jul 23, 10:02 PM CDT | Severe Thunderstorm Warning | BIS | Pierce | 58 min |
| Jul 24, 3:35 AM CDT | Severe Thunderstorm Warning | BIS | McKenzie | 55 min |
| Jul 24, 6:00 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau | 45 min |
| Jul 24, 6:23 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau | 67 min |
Nearby
Tornado Warnings in North Dakota, 1997Every tornado warning in 1997Tornadoes 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.