Alert archive / North Dakota / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 12, NWS Grand Forks, ND

June 4, 1997Sargent County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 4, 1997, 5:16 PM CDT for Sargent County, North Dakota. It was in force for 29 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: Jun 4, 1997, 5:16 PM CDT (22:16 UTC)
Expired: Jun 4, 1997, 5:45 PM CDT
In force: 29 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 22:20 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, 5:23 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, 10.3 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KFAR 042215 RRA
SVRFAR
NDC081-042245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
516 PM CDT WED JUN 4 1997
 
THE NATIONAL WEATHER SERVICE IN EASTERN ND/GRAND FORKS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST NORTH DAKOTA
 
   ...SOUTHEASTERN SARGENT COUNTY
 
AT 512 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER
CAYUGA NORTH DAKOTA OR 35 MILES WEST OF WAHPETON MOVING SOUTH AT 15 MPH.
A SPOTTER REPORTED DIME SIZED HAIL AT CAYUGA AT 510 PM CDT.
THIS STORM WILL MOVE INTO THE LAKE TEWAUKON AREA AROUND 530 PM CDT.
 
 
REMEMBER SEVERE THUNDERSTOR"MS CAN AND OCCASIONALLY DO
PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.
 
 
 
&

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, 2 hours 6 minutes earlier.

Area forecast discussion, Jun 4, 3:10 PM CDT, 2 hours 6 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 54 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 41 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
EWENS

Local storm report, Jun 4, 2:36 PM CDT, 2 hours 40 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
EWENS

Local storm report, Jun 4, 2:45 PM CDT, 2 hours 31 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
EWENS

Local storm report, Jun 4, 4:40 PM CDT, 36 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

SCHUMACHER

Local storm report, Jun 4, 4:42 PM CDT, 34 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

SCHUMACHER

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 4, 4:48 PM CDT	Severe Thunderstorm Warning	FGF	Sargent	27 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1997 Every 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.