Alert archive / North Dakota / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 10, NWS Bismarck, ND

June 22, 1987Dunn County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Jun 22, 1987, 2:26 PM MDT for Dunn County, North Dakota. It was in force for 54 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 22, 1987, 2:26 PM MDT (20:26 UTC)
Expired
Jun 22, 1987, 3:20 PM MDT
In force
54 min
Issued by
NWS Bismarck, ND
Area
Whole counties

County Dunn County, ND

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jun 22, 3:10 PM MDTHail 0.75Dunn, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 8.4 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 12:00Z on 1987-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 1987-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -40 square meters per square second.1939Sfc1 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
2008 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-40 m²/s²
0-3 km storm-relative helicity
-12 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.

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 22, 1:30 PM MDT, 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
230 PM CDT MON JUN 22 1987

...THUNDERSTORMS DEVELOPING RAPIDLY IN WESTERN NORTH DAKOTA...

AT 225 PM CDT A LINE OF THUNDERSTORMS WAS DEVELOPING RAPIDLY IN
WESTERN NORTH DAKOTA ALONG A COLD FRONT. THE LINE OF THUNDERSTORMS
EXTENDED FROM NEAR DICKINSON TO 60 MILES NORTH OF DICKINSON NEAR
LAKE SAKAKAWEA.

HOT..HUMID AIR COVERS ALL OF CENTRAL AND EASTERN NORTH DAKOTA. AS THE
COLD FRONT MOVES EAST THE THUNDERSTORMS WILL CONTINUE TO DEVELOP. A
FEW THUNDERSTORMS MAY BECOME SEVERE LATER IN THE AFTERNOON AND NIGHT.

PERSONS IN NORTH DAKOTA SHOULD LISTEN FOR LATER STATEMENTS ON THE
DEVELOPMENT OF THE THUNDERSTORMS.
VAN ESS
Special weather statement, Jun 22, 2:04 PM MDT, 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
205 PM MDT MON JUN 22 1987

...STRONG THUNDERSTORMS IN WESTERN NORTH DAKOTA...

AT 2 PM MDT A LINE OF STRONG THUNDERSTORMS HAD DEVELOPED THROUGH
DUNN AND STARK COUNTIES OF WESTERN NORTH DAKOTA. THE LINE EXTENDED
FROM 3 MILES NORTHEAST OF DICKINSON TO 65 MILES NORTHEAST OF
DICKINSON NORTH OF HALLIDAY.

AT 150 PM MDT VERY HEAVY RAIN AND PEA SIZE HAIL WAS REPORTED AT DUNN
CENTER.

THE LINE OF THUNDERSTORMS WILL CONTINUE TO DEVELOP DURING THE REST
OF THE AFTERNOON. THE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAIN..HAIL
AND STRONG WINDS AS THEY MOVE THROUGH EASTERN DUNN AND STARK COUNTY.
VAN ESS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 4:14 PM MDTSevere Thunderstorm WarningBISMorton26 min
Jun 22, 4:49 PM MDTSevere Thunderstorm WarningBISGrant, Morton26 min
Jun 22, 4:49 PM MDTSevere Thunderstorm WarningBISMcLean26 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1987Every severe thunderstorm warning in 1987

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.