Alert archive / North Dakota / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 28, NWS Bismarck, ND

June 19, 1997Rolette County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jun 19, 1997, 2:40 PM CDT for Rolette County, North Dakota. It was in force for 65 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 19, 1997, 2:40 PM CDT (19:40 UTC)
Expired: Jun 19, 1997, 3:45 PM CDT
In force: 65 min
Issued by: NWS Bismarck, ND
Area: Whole counties

County Rolette County, ND

What was reported inside it

Time	Report	Where	Remark
Jun 19, 3:15 PM CDT	Hail 1	Dunseith, ND	reports of windows broken out of houses. damage amount 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 nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 7.7 hours before the alert went out and 232 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: 14 J/kg
Mixed-layer CIN: -233 J/kg
Mixed-layer LCL: 1521 m above ground
0-6 km bulk shear: 0 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 0 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 KBIS 191942 RRA
SVRBIS
NDC079-192045-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
240 PM CDT THU JUN 19 1997
 
THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  345 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL NORTH DAKOTA
 
   ...WESTERN ROLETTE COUNTY
 
AT 240 PM CDT RADAR DETECTED A LINE OF SEVERE THUNDERSTORMS FROM
BOTTINEAU NORTHEASTWARD INTO CANADA. THE STRONGEST STORM WAS 10 MILES
NORTHEAST OF BOTTINEAU MOVING EAST AT 20 MPH. LARGE HAIL CAN BE EXPECTED
AS THESE STORMS PASS.
 
TOWNS IN THE PATH OF THIS SEVERE THUNDERSTORM INCLUDE DUNSEITH...SAN
HAVEN...AND THE INTERNATIODNAL PEACE GARDENS.
 
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
NOAH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 8:53 PM CDT	Severe Thunderstorm Warning	BIS	Bowman, Slope	67 min
Jun 18, 10:04 PM CDT	Severe Thunderstorm Warning	BIS	Adams, Bowman	56 min
Jun 18, 10:57 PM CDT	Severe Thunderstorm Warning	BIS	Adams	63 min
Jun 19, 1:47 PM CDT	Tornado Warning	BIS	Bottineau	58 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.