Alert archive / North Dakota / Tornado Watches in 1997

Tornado Watch 530

June 27, 19978 counties in Minnesota; 20 counties in North Dakota

The Storm Prediction Center issued this tornado watch at Jun 27, 1997, 5:00 PM CDT for 8 counties in Minnesota; 20 counties in North Dakota. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 27, 1997, 5:00 PM CDT (22:00 UTC)
Expired
Jun 27, 1997, 11:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 28 counties

Kittson County, MN, Lake of the Woods County, MN, Marshall County, MN, Norman County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Barnes County, ND, Cass County, ND, Dickey County, ND, Eddy County, ND, Emmons County, ND, Foster County, ND, Grand Forks County, ND, Griggs County, ND, Kidder County, ND, LaMoure County, ND, Logan County, ND, McIntosh County, ND, Nelson County, ND, Pembina County, ND, Ransom County, ND, Sioux County, ND, Steele County, ND, Stutsman County, ND, Traill County, ND, Walsh County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 104 km from the middle of the area, began a volume at 22:02 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.

Warnings issued inside it

25 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jun 27, 5:02 PM CDTTornado WarningFGFRoseau28 min
Jun 27, 5:11 PM CDTSevere Thunderstorm WarningFGFEddy34 min
Jun 27, 5:15 PM CDTSevere Thunderstorm WarningBISFoster45 min
Jun 27, 5:27 PM CDTTornado WarningFGFRoseau33 min
Jun 27, 5:43 PM CDTSevere Thunderstorm WarningFGFNelson32 min
Jun 27, 5:56 PM CDTTornado WarningFGFRoseau34 min
Jun 27, 6:09 PM CDTSevere Thunderstorm WarningFGFNelson36 min
Jun 27, 6:13 PM CDTFlash Flood WarningBISFoster62 min
Jun 27, 6:13 PM CDTSevere Thunderstorm WarningBISFoster62 min
Jun 27, 6:27 PM CDTTornado WarningFGFRoseau33 min
Jun 27, 6:36 PM CDTSevere Thunderstorm WarningFGFGrand Forks54 min
Jun 27, 6:55 PM CDTTornado WarningFGFRoseau35 min
Jun 27, 6:59 PM CDTSevere Thunderstorm WarningFGFWalsh31 min
Jun 27, 7:04 PM CDTSevere Thunderstorm WarningFGFMarshall41 min
Jun 27, 7:27 PM CDTSevere Thunderstorm WarningFGFRoseau33 min
Jun 27, 7:32 PM CDTSevere Thunderstorm WarningFGFLake of the Woods28 min
Jun 27, 7:43 PM CDTSevere Thunderstorm WarningFGFMarshall47 min
Jun 27, 8:17 PM CDTSevere Thunderstorm WarningBISStutsman43 min
Jun 27, 9:20 PM CDTSevere Thunderstorm WarningFGFNelson25 min
Jun 27, 9:40 PM CDTSevere Thunderstorm WarningFGFNelson35 min
Jun 27, 10:05 PM CDTTornado WarningFGFNelson25 min
Jun 27, 10:26 PM CDTSevere Thunderstorm WarningFGFGrand Forks34 min
Jun 27, 10:32 PM CDTSevere Thunderstorm WarningFGFMarshall28 min
Jun 27, 10:52 PM CDTSevere Thunderstorm WarningFGFGrand Forks38 min
Jun 27, 11:00 PM CDTSevere Thunderstorm WarningFGFTraill40 min

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 10.0 hours before the alert went out and 166 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-pSkew-T log-p diagram, Bismarck Municip, ND at 12:00Z on 1997-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 221 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Bismarck Municip, ND at 12:00Z on 1997-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
221 J/kg
Mixed-layer CIN
-398 J/kg
Mixed-layer LCL
2244 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

Nearby

Tornado Watches in North Dakota, 1997Tornado Watches in Minnesota, 1997Every tornado watch 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; radar from the NEXRAD Level II archive.