Alert archive / North Dakota / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 50, NWS Bismarck, ND

August 25, 1989Kidder County, Logan County, North Dakota

NWS Bismarck, ND issued this severe thunderstorm warning at Aug 25, 1989, 9:49 PM CDT for Kidder County, Logan County, North Dakota. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Aug 25, 1989, 9:49 PM CDT (02:49 UTC)
Expired
Aug 25, 1989, 10:30 PM CDT
In force
41 min
Issued by
NWS Bismarck, ND
Area
Whole counties

Counties Kidder County, ND, Logan 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, 2.8 hours before the alert went out and 82 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 1989-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1030 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 00:00Z on 1989-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
1030 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
1463 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
86 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.9

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 25, 4:25 PM CDT, 5 hours 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
425 PM CDT FRI AUG 25 1989

...THUNDERSTORMS OVER EAST CENTRAL NORTH DAKOTA...

AT 4 PM CDT WEATHER RADAR WAS DETECTING A LINE OF THUNDERSTORMS
FROM 20 MILES WEST OF JAMESTOWN TO THE CANADIAN BORDER...65 MILES
NORTH OF DEVILS LAKE. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MPH.

THE THUNDERSTORMS WILL BE PASSING THROUGH THE DEVILS LAKE AREA BETWEEN
430 AND 530 PM CDT.

SMALL HAIL...GUSTY WINDS...HEAVY RAIN AND FREQUENT LIGHTNING WILL
ACCOMPANY THESE THUNDERSTORMS.

LEBLANG
Special weather statement, Aug 25, 8:03 PM CDT, 1 hour 46 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
800 PM CDT FRI AUG 25 1989

...STRONG THUNDERSTORMS DEVELOPING OVER CENTRAL NORTH DAKOTA...

AT 755 PM CDT WEATHER RADAR INDICATED A CLUSTER OF RAPIDLY INTENSIFYING
THUNDERSTORMS CENTERED 25 MILES SOUTHEAST OF BISMARCK.
THE STRONGEST STORM WAS NEAR DRISCOLL...25 MILES EAST OF BISMARCK.
ANOTHER STRONG CELL WAS LOCATED 10 MILES NORTH OF LINTON. THE
THUNDERSTORMS WERE MOVING NORTHEAST AT ]30 MPH AND LIKELY CONTAIN
SMALL HAIL...GUSTY WINDS TO 55 MPH...AND VERY HEAVY RAIN.

PERSONS IN EMMONS...EASTERN BURLEIGH...AND KIDDER COUNTIES SHOULD
BE PREPARED TO MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER
APPROACHES.

LEBLANG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 8:49 PM CDTSevere Thunderstorm WarningBISKidder56 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.