Alert archive / North Dakota / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 6, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 2, 1997, 1:05 AM CDT for Barnes County, North Dakota. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 2, 1997, 1:05 AM CDT (06:05 UTC)
- Expired
- Jun 2, 1997, 1:45 AM CDT
- In force
- 40 min
- Issued by
- NWS Grand Forks, ND
- Area
- Whole counties
County Barnes County, ND
The nearest sounding before it
Bismarck Municip, ND (KBIS), launched 00:00Z, 6.1 hours before the alert went out and 201 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
- 1437 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 1285 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFAR 020607 RRA SVRFAR NDC003-020645- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 105 AM CDT MON JUN 2 1997 THE NATIONAL WEATHER SERVICE IN EASTERN ND/GRAND FORKS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 145 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTHEAST NORTH DAKOTA ...BARNES COUNTY AT 104 AM...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES SOUTHWEST OF THE VALLEY CITY AREA. THIS THUNDERSTORM IS MOVING NORTHEAST AT 15 MPH AND WILL AFFECT THE CITY OF ORISKA BY 120 AM. REMEMBER SEVERE THUNDERSTORMS 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 1, 8:49 PM CDT, 4 hours 16 minutes earlier.
Area forecast discussion, Jun 1, 8:49 PM CDT, 4 hours 16 minutes before
FORECAST DISCUSSION FOR EASTERN NORTH DAKOTA AND NORTHWEST MINNESOTA NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 845 PM CDT SUN JUN 1 1997 21Z RUC SLOWLY MOVES BOUNDARY EAST OVERNIGHT APPROACHING RRV TOWARDS AM. MOST OF TSRA HAS BEEN OVR CENTRAL ND IN H8 THETA-E RIDGE ALONG SFC BOUNDARY WHERE TDS HAVE BEEN IN THE 60S AND OVER THE EXTREME NE ALONG CONVERGENCE BOUNDARY FROM ADAP SSW. ATTM FEEL SEVERE THREAT HAS SHIFTED SOUTH INTO SOUTH DAKOTA IN AREA OF STABILITY MINIMA. HOWEVER AS SFC BOUNDARY...H8 THETA-E RIDGE SHIFTS EAST TSRA SHOULD CONT TO SPREAD EAST. WITH GENERAL SLOW MOVEMENT OF CELLS AND 00Z BIS PWAT AT 1.36 AND K INDEX AT 37 WILL MENTION HEAVY RAIN POSSIBLE. STRONG CONVECTION TO OUR SOUTH MAY EVENTUALLY CUT OFF SOME OF THE AVAILABLE MOISTURE. WILL MAKE SOME ADJUSTMENTS TO TSRA WORDING. WITH FRONT REACHING ONLY WESTERN PTNS OF CWA TOWARD AM REST OF CWFA WILL STAY FAIRLY MILD. 21Z RUC 2METER TEMPS VERIFIED WELL AND WILL GO WITH THEM AND RAISE MINS A NOTCH OVR E ND. H8 PROG OF 30KTS SHOULD KEEP WINDS IN 10 TO 20 MPH RANGE WHICH WILL ALSO HOLD TEMPS UP. VOELKER
The office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 3:56 AM CDT | Flash Flood Warning | FGF | Barnes | 4 hr |
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; the sounding from the Mesonet's radiosonde archive.