Alert archive / North Dakota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 11, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 4, 1997, 4:48 PM CDT for Sargent County, North Dakota. It was in force for 27 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
- Jun 4, 1997, 4:48 PM CDT (21:48 UTC)
- Expired
- Jun 4, 1997, 5:15 PM CDT
- In force
- 27 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Sargent County, ND
The radar
The Aberdeen radar (KABR), 95 km from the middle of the area, began a volume at 21:51 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 4, 5:09 PM CDT | Hail 0.75 | Cayuga, ND | |
| Jun 4, 5:23 PM CDT | Hail 0.75 | Cayuga, 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 nearest sounding before it
Aberdeen, SD (KABR), launched 12:00Z, 9.8 hours before the alert went out and 147 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1285 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 44 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 KFAR 042147 RRA SVRFAR NDC081-042215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 448 PM CDT WED JUN 4 1997 THE NATIONAL WEATHER SERVICE IN EASTERN ND/GRAND FORKS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 515 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST NORTH DAKOTA ...EASTERN SARGENT COUNTY AT 450 PM CDT... RADAR INDICATED A SEVERE THUNDERSTORM 9 MILES EAST OF FORMAN OR 34 MILES WEST OF WAHPETON NORTH DAKOTA MOVING SOUTH AT 15 MILES AN HOUR. THIS STORM WILL MOVE INTO THE CAYUGA AREA AROUND 5 PM CDT. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND OVER 57 MPH...HAIL 3/4 INCH IN DIAMETER OR LARGER...TORNADOES...DEADLY LIGHTNING...AND VERY HEAVY RAIN. MOVE TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
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.
NWS Grand Forks, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 4, 3:10 PM CDT, 1 hour 38 minutes earlier.
Area forecast discussion, Jun 4, 3:10 PM CDT, 1 hour 38 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 305 PM CDT WED JUN 4 1997 SVR WEATHER IN PORTIONS OF CWA SO LITTLE TIME TO WRITE. WOULD KEEP TSRA THRU EVENING IN WC MN OTHERWISE SKIES WL BE CLEAR AS DRIER AIR AND SUBSIDENCE. WITH DRIER DEW POINTS AND LIGHT WINDS...TEMPS SHUD FALL INTO LOWER 50S AND EVEN A FEW 40S. SCHUMACHER
In the hours before
Special weather statement, Jun 4, 1:22 PM CDT, 3 hours 26 minutes before
MNZ001>009-013>017-022>024-027>032-040-NDZ006>008-014>016-024- 026>030-038-039-049-052-053-051200- HAZARDOUS WEATHER OUTLOOK...UPDATED... NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 115 PM CDT WED JUN 04 1997 ...THERE IS A SLIGHT RISK OF SEVERE WEATHER ACROSS PORTIONS OF WEST CENTRAL MINNESOTA THROUGH THIS EVENING... THUNDERSTORMS ARE EXPECTED TO DEVELOP AHEAD OF THIS LOW ACROSS WEST CENTRAL MINNESOTA. AN ISOLATED SEVERE STORM IS POSSIBLE FOR FOR HUBBARD...WADENA...GRANT...OTTER TAIL COUNTIES THROUGH THIS EVENING. LOW PRESSURE OVER NEAR THIEF RIVER FALLS LATE THIS MORNING WILL MOVE SOUTHEAST INTO WEST CENTRAL MINNESOTA THIS AFTERNOON. DEW POINTS ACROSS THIS AREA ARE AROUND 60 DEGREES AND TEMPERATURES WILL BE WARMING TO AROUND 80 DEGREES. AS THE LOW AND ASSOCIATED FRONT APPROACH... SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS WEST CENTRAL MINNESOTA. THESE STORM WILL BE SOUTH AND EAST OF A LINE FROM MOORHEAD TO BEMIDJI. THE MOST UNSTABLE CONDITIONS ARE EXPECTED TO BE ACROSS CENTRAL AND EAST CENTRAL MINNESOTA LATER THIS AFTERNOON. THEREFORE...AN ISOLATED SEVERE STORM IS POSSIBLE IN THE PARK RAPIDS AND WADENA AREAS. THE MAIN THREAT IN THESE AREAS WILL BE LARGE HAIL. ACROSS THE REMAINDER OF WEST CENTRAL MINNESOTA...STORMS ARE EXPECTED TO REMAIN BELOW SEVERE LIMITS. HOWEVER...A FEW STORMS COULD STILL CONTAIN PEA-SIZE HAIL. CONTINUE TO MONITOR LOCAL TELEVISION...RADIO...AND CABLE STATIONS FOR FUTURE STATEMENTS. SCHUMACHER
Local storm report, Jun 4, 2:35 PM CDT, 2 hours 13 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED STATE
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
235 PM CDT WED JUN 4 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0230 PM LAPORTE MN 1.00 INCH HAIL
06/04/97 HUBBARD
EWENSLocal storm report, Jun 4, 2:36 PM CDT, 2 hours 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 235 PM CDT WED JUN 4 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0230 PM LAPORTE ND 1.00 INCH HAIL
06/04/97 HUBBARD
EWENSLocal storm report, Jun 4, 2:45 PM CDT, 2 hours 3 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED STATE
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
235 PM CDT WED JUN 4 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0230 PM LAPORTE MN 1.00 INCH HAIL
06/04/97 HUBBARD
EWENSLocal storm report, Jun 4, 4:40 PM CDT, 8 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED STATE
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
440 PM CDT WED JUN 4 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0325 PM AKELEY 1S MN 1.50 INCH HAIL
06/04/97 HUBBARD
0340 PM AKELEY MN 0.75 INCH HAIL
06/04/97 HUBBARD
SCHUMACHERLocal storm report, Jun 4, 4:42 PM CDT, 6 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED STATE
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
440 PM CDT WED JUN 4 1997
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0325 PM AKELEY 1S MN 1.50 INCH HAIL
06/04/97 HUBBARD
0340 PM AKELEY MN 0.75 INCH HAIL
06/04/97 HUBBARD
SCHUMACHERThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 5:16 PM CDT | Severe Thunderstorm Warning | FGF | Sargent | 29 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; radar from the NEXRAD Level II archive.