Alert archive / North Dakota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 77, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jul 10, 1997, 9:49 PM CDT for Bottineau County, McHenry County, North Dakota. It was in force for 56 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 10, 1997, 9:49 PM CDT (02:49 UTC)
- Expired
- Jul 10, 1997, 10:45 PM CDT
- In force
- 56 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
Counties Bottineau County, ND, McHenry County, ND
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 10, 10:40 PM CDT | Thunderstorm Wind 65 | Anamoose, ND | 20 foot tree crashed through a house |
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 10, 7:45 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 2.8 hours before the alert went out and 194 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
- 4434 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 1269 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 176 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBIS 110249 RRA SVRBIS NDC009-049-110345- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BISMARCK ND 949 PM CDT THU JUL 10 1997 THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1045 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTH CENTRAL NORTH DAKOTA ...BOTTINEAU COUNTY...MCHENRY COUNTY AT 945 PM CDT WEATHER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM NEAR MINOT NORTH TO THE CANADIAN BORDER MOVING NORTHEAST AT 30 MPH. THESE STORMS EARLIER PRODUCED A TORNADO SOUTH OF THE MINOT AIRFORCE BASE. ALSO WINDS IN EXCESS OF 60 MPH MOVED THROUGH GRANVILLE IN SOUTHERN RENVILLE COUNTY. TOWNS NEAR THE PATH OF THESE STORMS INCLUDE WESTHOPE...BOTTINEAU ..GRANVILLE..VELVA AND TOWNER. THESE STORMS ARE EXT M SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANG<ING WEATHER CONDITIONS. & LEBLANG
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
Local storm report, Jul 10, 9:00 PM CDT, 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
900 PM CDT THU JUL 10 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0509 PM 9 E BEACH ND 1.00 INCH HAIL
07/10/97 GOLDEN VALLEY COVERING THE GROUND LIKE
A WINTER STORM
0538 PM MEDORA ND 2.00 INCH HAIL
07/10/97 BILLINGS
0730 PM 3 SW FAIRFIELD ND 58 MPH WIND GUST
07/10/97 BILLINGS DAMAGE TO CATTLE BARN AND
TREES
0838 PM 7 S BEULAH ND 65 MPH WIND GUST
07/10/97 MERCER
0845 PM 7 N MINOT ND 1.00 INCH HAIL
07/10/97 WARD AT MINOT AIRFORCE BASE
NOAHLocal storm report, Jul 10, 9:01 PM CDT, 48 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
900 PM CDT THU JUL 10 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0509 PM 9 E BEACH ND 1.00 INCH HAIL
07/10/97 GOLDEN VALLEY COVERING THE GROUND LIKE
A WINTER STORM
0538 PM MEDORA ND 2.00 INCH HAIL
07/10/97 BILLINGS
0730 PM 3 SW FAIRFIELD ND 58 MPH WIND GUST
07/10/97 BILLINGS DAMAGE TO CATTLE BARN AND
TREES
0838 PM 7 S BEULAH ND 65 MPH WIND GUST
07/1b0/97 MERCER
0845 PM 7 N MINOT ND 1.00 INCH HAIL
07/10/97 WARD AT MINOT AIRFORCE BASE
NOAHLocal storm report, Jul 10, 9:22 PM CDT, 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
922 PM CDT THU JUL 10 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0855 PM 5 NE HEBRON ND 58 MPH WIND GUST
07/10/97 MORTON TREE DAMAGE ALONG HIGHWAY
49
0902 PM 7 S BEULAH ND 85 MPH WIND GUST
07/10/97 MERCER ESTIMATED BY
PUBLIC...METAL STOP SIGN
BENT IN HALF
0910 PM 5 N MINOT ND TORNADO
07/10/97 WARD REPORT RECEIVED FROM
MINOT AIRFORCE
BASE...DEBRIS CLOUD SEEN.
NOAHThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 7:11 PM CDT | Severe Thunderstorm Warning | BIS | Dunn | 64 min |
| Jul 10, 7:45 PM CDT | Severe Thunderstorm Warning | BIS | Burke, Mountrail | 60 min |
| Jul 10, 8:00 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Mercer | 60 min |
| Jul 10, 8:25 PM CDT | Severe Thunderstorm Warning | BIS | Grant, Sioux | 65 min |
| Jul 10, 8:41 PM CDT | Tornado Warning | BIS | Mercer | 34 min |
| Jul 10, 8:51 PM CDT | Severe Thunderstorm Warning | BIS | Morton | 54 min |
| Jul 10, 8:52 PM CDT | Severe Thunderstorm Warning | BIS | Mountrail, Ward | 68 min |
| Jul 10, 9:09 PM CDT | Severe Thunderstorm Warning | BIS | Bottineau, Renville | 66 min |
| Jul 10, 9:15 PM CDT | Tornado Warning | BIS | Ward | 30 min |
| Jul 10, 9:25 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton | 65 min |
| Jul 10, 9:51 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Mercer | 69 min |
| Jul 10, 9:57 PM CDT | Tornado Warning | BIS | McHenry | 33 min |
| Jul 10, 10:10 PM CDT | Severe Thunderstorm Warning | BIS | Sioux | 50 min |
| Jul 10, 10:50 PM CDT | Severe Thunderstorm Warning | BIS | McHenry, Pierce | 40 min |
| Jul 10, 10:50 PM CDT | Severe Thunderstorm Warning | BIS | Emmons | 40 min |
| Jul 10, 11:29 PM CDT | Severe Thunderstorm Warning | BIS | Pierce, Rolette | 46 min |
| Jul 11, 12:01 AM CDT | Severe Thunderstorm Warning | BIS | Stutsman | 44 min |
| Jul 11, 4:31 PM CDT | Severe Thunderstorm Warning | BIS | Renville, Ward | 44 min |
| Jul 11, 4:54 PM CDT | Severe Thunderstorm Warning | BIS | Burke | 66 min |
| Jul 11, 6:23 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Oliver | 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.