Alert archive / North Dakota / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 27, NWS Bismarck, ND

June 18, 1997Adams County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jun 18, 1997, 9:57 PM MDT for Adams County, North Dakota. It was in force for 63 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 18, 1997, 9:57 PM MDT (03:57 UTC)
Expired
Jun 18, 1997, 11:00 PM MDT
In force
63 min
Issued by
NWS Bismarck, ND
Area
Whole counties

County Adams County, ND

The radar

The Bismarck radar (KBIS), 155 km from the middle of the area, began a volume at 03:57 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

TimeReportWhereRemark
Jun 18, 10:10 PM MDTHail 0.75Lemmon, 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

Bismarck Municip, ND (KBIS), launched 00:00Z, 4.0 hours before the alert went out and 159 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 00:00Z on 1997-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 1997-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1435 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
245 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 190400 RRA
SVRBIS
NDC001-190500-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
1057 PM CDT (957 PM MDT) WED JUN 18 1997
 
THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL MIDNIGHT CDT (1100 PM MDT)
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHWEST NORTH DAKOTA
 
   ...EASTERN ADAMS COUNTY
 
AT 955 PM MDT SEVERE THUNDERSTORMS WERE MOVING THROUGH CENTRAL ADAMS
COUNTY...FROM 45 MILES EAST OF BOWMAN TO JUST WEST OF THE TOWN OF
HETTINGER. THE SEVERE THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 MPH.
 
AT 955 PM MDT GOLF BALL SIZE HAIL WAS REPORTED 2 MILES WEST OF
HETTINGER.
 
THE SEVERE THUNDERSTORMS WILL MOVE THROUGH THE TOWNS OF HETTINGER AND
HAYNES IN ADAMS COUNTY.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SElVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
 
VAN ESS
&

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.

In the hours before

Special weather statement, Jun 18, 6:00 PM MDT, 3 hours 57 minutes before
NDZ018-031>033-040-041-043-044-190230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  BISMARCK ND
700 PM CDT WED JUN 18 1997

...STRONG THUNDERSTORMS HEADING FOR SOUTHWEST NORTH DAKOTA...

STRONG THUNDERSTORMS WERE MOVING THROUGH EASTERN MONTANA AND SOME WERE
HEADING FOR SOUTHWEST NORTH DAKOTA. SCATTERED THUNDERSTORMS WILL ENTER
SOUTHWEST NORTH DAKOTA AFTER 630 PM MDT.

EXPECT THUNDERSTORMS WITH HEAVY RAIN AND GUSTY WINDS OVER PARTS OF
SOUTHWEST NORTH DAKOTA. SOME OF THE STRONGER THUNDERSTORMS MAY PRODUCE
HAIL AND STRONG WINDS.

THE POTENTIAL FOR SEVERE THUNDERSTORMS WILL CONTINUE ACROSS SOUTHWEST
NORTH DAKOTA THROUGH THE REST OF THE EVENING.

VAN ESS
Special weather statement, Jun 18, 6:06 PM MDT, 3 hours 51 minutes before
NDZ018-031>033-040-041-043-044-190230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  BISMARCK ND
700 PM CDT WED JUN 18 1997

...STRONG THUNDERSTORMS HEADING FOR SOUTHWEST NORTH DAKOTA...

STRONG THUNDERSTORMS WERE MOVING THROUGH EASTERN MONTANA AND SOME WERE
HEADING FOR SOUTHWEST NORTH DAKOTA. SCATTERED THUNDERSTORMS WILL ENTER
SOUTHWEST NORTH DAKOTA AFTER 630 PM MDT.

EXPECT THUNDERSTORMS WITH HEAVY RAIN AND GUSTY WINDS OVER PARTS OF
SOUTHWEST NORTH DAKOTA. SOME OF THE STRONGER THUNDERSTORMS MAY PRODUCE
HAIL AND STRONG WINDS.

THE POTENTIAL FOR SEVERE THUNDERSTORMS WILL CONTINUE ACROSS SOUTHWEST
NORTH DAKOTA THROUGH THE REST OF THE EVENING.

VAN ESS
Special weather statement, Jun 18, 7:20 PM MDT, 2 hours 37 minutes before
NDZ031-032-040-043-190230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  BISMARCK ND
820 PM CDT WED JUN 18 1997

...STRONG THUNDERSTORMS IN SOUTHWEST NORTH DAKOTA...

AT 720 PM MDT STRONG THUNDERSTORMS WERE LOCATED 14 MILES NORTHWEST OF
BOWMAN IN SLOPE COUNTY AND 33 MILES NORTHWEST OF BOWMAN IN SOUTHERN
GOLDEN VALLEY COUNTY. THE THUNDERSTORMS WERE MOVING EAST AT 30 MPH.

THE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAIN...SMALL HAIL AND WIND
GUSTS TO 55 MPH.

THE THUNDERSTORMS WILL BE IN THE VICINITY OF AMIDON IN CENTRAL SLOPE
COUNTY.

VAN ESS
Special weather statement, Jun 18, 7:26 PM MDT, 2 hours 31 minutes before
NDZ031-032-040-043-190230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  BISMARCK ND
820 PM CDT WED JUN 18 1997

...STRONG THUNDERSTORMS IN SOUTHWEST NORTH DAKOTA...

AT 720 PM MDT STRONG THUNDERSTORMS WERE LOCATED 14 MILES NORTHWEST OF
BOWMAN IN SLOPE COUNTY AND 33 MILES NORTHWEST OF BOWMAN IN SOUTHERN
GOLDEN VALLEY COUNTY. THE THUNDERSTORMS WERE MOVING EAST AT 30 MPH.

THE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAIN...SMALL HAIL AND WIND
GUSTS TO 55 MPH.

THE THUNDERSTORMS WILL BE IN THE VICINITY OF AMIDON IN CENTRAL SLOPE
COUNTY.

VAN ESS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 7:53 PM MDTSevere Thunderstorm WarningBISBowman, Slope67 min
Jun 18, 9:04 PM MDTSevere Thunderstorm WarningBISAdams, Bowman56 min
Jun 19, 12:47 PM MDTTornado WarningBISBottineau58 min
Jun 19, 1:40 PM MDTSevere Thunderstorm WarningBISRolette65 min

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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.