Alert archive / North Dakota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 110, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jul 24, 1997, 3:35 AM CDT for McKenzie County, North Dakota. It was in force for 55 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, 3:35 AM CDT (08:35 UTC)
- Expired
- Jul 24, 1997, 4:30 AM CDT
- In force
- 55 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County McKenzie County, ND
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 24, 4:20 AM CDT | Thunderstorm Wind 72 | Watford City, ND | tree fell on car |
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 nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 8.6 hours before the alert went out and 230 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 KISN 240841 RRA SVRISN NDC053-240835- BULLETIN - IMMEDIATE BROADCAST REQUESTED...CORRECTION DATE TIME... SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE WILLISTON ND 335 AM CDT THU JUL 24 1997 THE NATIONAL WEATHER SERVICE IN WILLISTON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 PM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL NORTH DAKOTA ...MCKENZIE COUNTY AT 330 AM CDT...230 AM MDT...RADAR INDICATED A SEVERE THUNDERSTORM MOVING INTO WESTERN MCKENZIE COUNTY 5 MILES WEST OF CARTWRIGHT. THIS STORM IS MOVING TO THE EAST AT 30 MPH AN WILL AFFECT THE FOLLOWING COMMUNITIES...CARTWRIGHT...ALEXANDER...AND WATFORD CITY. THIS STORM LIKELY CONTAINS LARGE HAIL...DAMAGING WINDS AND VERY HEAVY RAIN. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVZY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. BRW
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 23, 9:55 PM CDT, 5 hours 40 minutes before
NDZ001-002-009-010-017-240330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 955 PM CDT WED JUL 23 1997 ...SEVERE THUNDERSTORM WATCH NO LONGER IN EFFECT FOR SOME NORTHWESTERN NORTH DAKOTA COUNTIES... SEVERE THUNDERSTORMS HAVE MOVED OUT OF 5 NORTHWEST NORTH DAKOTA COUNTIES. THE SEVERE THUNDERSTORM WATCH HAS BEEN DROPPED FOR DIVIDE... BURKE...WILLIAMS...MOUNTRAIL AND MCKENZIE COUNTIES. LM
Special weather statement, Jul 23, 9:57 PM CDT, 5 hours 38 minutes before
NDZ001-002-009-010-017-240330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 955 PM CDT WED JUL 23 1997 ...SEVERE THUNDERSTORM WATCH NO LONGER IN EFFECT FOR SOME NORTHWESTERN NORTH DAKOTA COUNTIES... SEVERE THUNDERSTORMS HAVE MOVED OUT OF 5 NORTHWEST NORTH DAKOTA COUNTIES. THE SEVERE THUNDERSTORM WATCH HAS BEEN DROPPED FOR DIVIDE... BURKE...WILLIAMS...MOUNTRAIL AND MCKENZIE COUNTIES. LM
Special weather statement, Jul 23, 9:58 PM CDT, 5 hours 37 minutes before
NDZ001-002-009-010-017-240330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 955 PM CDT WED JUL 23 1997 ...SEVERE THUNDERSTORM WATCH NO LONGER IN EFFECT FOR SOME NORTHWESTERN NORTH DAKOTA COUNTIES... SEVERE THUNDERSTORMS HAVE MOVED OUT OF 5 NORTHWEST NORTH DAKOTA COUNTIES. THE SEVERE THUNDERSTORM WATCH HAS BEEN DROPPED FOR DIVIDE... BURKE...WILLIAMS...MOUNTRAIL AND MCKENZIE COUNTIES. LM
Local storm report, Jul 23, 10:04 PM CDT, 5 hours 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
1004 PM CDT WED JUL 23 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0900 PM GRANVILLE ND 0.88 INCH HAIL
07/23/97 MCHENRY
0923 PM GRANVILLE ND 90 MPH WIND GUST
07/23/97 MCHENRY
NOAHThe 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, 7:36 PM CDT | Tornado Warning | BIS | Renville | 39 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, 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
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.