Alert archive / North Dakota / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 38, NWS Bismarck, ND

August 2, 1989Stutsman County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Aug 2, 1989, 7:30 PM CDT for Stutsman County, North Dakota. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Aug 2, 1989, 7:30 PM CDT (00:30 UTC)
Expired
Aug 2, 1989, 8:15 PM CDT
In force
45 min
Issued by
NWS Bismarck, ND
Area
Whole counties

County Stutsman County, ND

The radar

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

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 0.5 hours before the alert went out and 134 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 1989-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1585 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 1989-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -32 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
1585 J/kg
Mixed-layer CIN
-65 J/kg
Mixed-layer LCL
2220 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
-32 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.0
Supercell composite
-1.4

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, Aug 2, 6:01 PM CDT, 1 hour 29 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
600 PM CDT WED AUG 2 1989

...THUNERSTORMS DEVELOPING OVER EXTREME SOUTH CENTRAL NORTH DAKOTA...

AT 550 PM CDT WEATHER RADAR INDICATED A SMALL AREA OF THUNDERSTORMS
DEVELOPING RAPIDLY IN EXTREME SOUTHEASTERN EMMONS COUNTY AND EXTREME
SOUTHWESTERN MCINTOSH COUNTY...OR ABOUT 60 MILES SOUTH/SOUTHEAST
OF BISMARCK. THESE THUNDERSTORMS ARE MOVING TO THE NORTH/NORTHEAST
AT 25 MPH. THIS WOULD TAKE THE THUNDERSTORMS INTO THE HAGUE AND
ZEELAND AREAS BEFORE 630 PM CDT.

THESE THUNDERSTORMS ARE ACCOMPANIED BY VERY HEAVY RAIN...DANGEROUS
LIGHTNING AND POSSIBLY SMALL HAIL. PERSONS IN THE PATH OF THESE
STORMS SHOULD SEEK SHELTER INDOORS IF THREATENING WEATHER APPROACHES.

FORS
Special weather statement, Aug 2, 6:56 PM CDT, 34 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
655 PM CDT WED AUG 2 1989

...THUNERSTORMS CONTINUE IN EXTREME SOUTH CENTRAL NORTH DAKOTA...

AT 645 PM CDT WEATHER RADAR INDICATED A SMALL AREA OF STRONG
THUNDERSTORMS IN SOUTHWEST MCINTOSH COUNTY ABOUT 15 MILES SOUTH/
SOUTHWEST OF WISHEK...OR ABOUT 60 MILES SOUTHEAST OF BISMARCK.
THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 25 TO 30 MPH.
THIS WOULD TAKE THE THUNDERSTORMS INTO THE WISHEK AREA BEFORE
730 PM CDT.

THESE THUNDERSTORMS ARE ACCOMPANIED BY VERY HEAVY RAIN...DANGEROUS
LIGHTNING AND STRONG WINDS. PERSONS IN THE PATH OF THESE
STORMS SHOULD SEEK SHELTER INDOORS IF THREATENING WEATHER APPROACHES.

OTHER STRONG THUNDERSTORMS WERE LOCATED JUST SOUTH OF STREETER IN
SOUTHWEST STUTSMAN COUNTY AND JUST SOUTHWEST OF MINOT IN WARD
COUNTY. THESE THUNDERSTORMS WERE ALSO MOVING TO THE NORTHEAST.

FORS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 7:43 PM CDTTornado WarningBISWard22 min

Nearby

Severe Thunderstorm Warnings in North Dakota, 1989Every severe thunderstorm warning in 1989

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.