Alert archive / North Dakota / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 48, NWS Bismarck, ND

June 28, 1997Stark County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jun 28, 1997, 11:16 PM MDT for Stark County, North Dakota. It was in force for 59 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 28, 1997, 11:16 PM MDT (05:16 UTC)
Expired: Jun 29, 1997, 12:15 AM MDT
In force: 59 min
Issued by: NWS Bismarck, ND
Area: Whole counties

County Stark County, ND

The radar

The Bismarck radar (KBIS), 144 km from the middle of the area, began a volume at 05:17 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 28, 11:40 PM MDT	Thunderstorm Wind 65	Dickinson, ND	The strong winds collapsed a pole barn as well as ripped the roofs off of a few out buildings. Damage amout estimated.

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
Jun 28, 9:30 PM MDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 5.3 hours before the alert went out and 149 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: 547 J/kg
Mixed-layer CIN: -47 J/kg
Mixed-layer LCL: 2546 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 25 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBIS 290518 RRA
SVRBIS
NDC089-290615-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
1216 AM CDT (1116 PM MDT) SUN JUN 29 1997
 
THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  115 AM CDT (1215 AM MDT)
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL NORTH DAKOTA
 
   ...STARK COUNTY
 
AT 1115 PM MDT WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM
NEAR THE TOWN OF DICKINSON. A 70 MPH WIND GUST WAS REPORTED AT THE
DICKINSON AIRPORT.
 
THE STORM IS MOVING EAST AT 20 MPH.
 
TOWNS IN THE PATH OF THIS STORM INCLUDE TAYLOR AND GLADSTONE AS WELL AS
TRAVELERS ON INTERSTATE 94 IN STARK COUNTY.
 
 
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
TWH
&

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 8:32 PM MDT	Severe Thunderstorm Warning	BIS	Bottineau	43 min
Jun 28, 9:07 PM MDT	Tornado Warning	BIS	Bottineau, McHenry	53 min
Jun 28, 10:06 PM MDT	Severe Thunderstorm Warning	BIS	McHenry	69 min
Jun 28, 10:17 PM MDT	Tornado Warning	BIS	McHenry	28 min
Jun 28, 10:46 PM MDT	Tornado Warning	BIS	McHenry	44 min
Jun 28, 11:32 PM MDT	Severe Thunderstorm Warning	BIS	McKenzie	58 min
Jun 28, 11:33 PM MDT	Severe Thunderstorm Warning	BIS	McHenry	57 min
Jun 29, 1:06 AM MDT	Severe Thunderstorm Warning	BIS	Burleigh, Morton	69 min
Jun 29, 3:45 PM MDT	Severe Thunderstorm Warning	BIS	Williams	60 min
Jun 29, 5:04 PM MDT	Severe Thunderstorm Warning	BIS	Williams	56 min
Jun 29, 5:56 PM MDT	Severe Thunderstorm Warning	BIS	Williams	64 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.