Alert archive / North Dakota / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 49, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Aug 25, 1989, 8:49 PM CDT for Kidder County, North Dakota. It was in force for 56 min.
The area
The counties it named.
The facts
- Issued
- Aug 25, 1989, 8:49 PM CDT (01:49 UTC)
- Expired
- Aug 25, 1989, 9:45 PM CDT
- In force
- 56 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County Kidder 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, 1.8 hours before the alert went out and 74 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBIS 260149
SVRBIS
NDC043-260245-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
849 PM CDT FRI AUG 25 1989
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 945 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE CENTRAL PART OF NORTH DAKOTA
KIDDER
AT 845 PM CDT WEATHER RADAR INDICATED A SEVERE THUNDERSTORM
30 MILES EAST OF BISMARCK...OR 10 MILES SOUTHWEST OF STEELE
MOVING NORTHEAST AT 30 MPH.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAIN MAY FLOOD ROADWAYS QUICKLY
SO AVOID DRIVING INTO AREAS WHERE WATER COVERS THE ROAD.
REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
A TORNADO WITH LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT.
LEBLANGWhat 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, 3:46 PM CDT, 5 hours 3 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 340 PM CDT FRI AUG 25 1989 ...THUNDERSTORMS DEVELOPING IN CENTRAL NORTH DAKOTA... AT 335 PM CDT...WEATHER RADARS INDICATED A SCATTERED LINE OF THUNDERSTORMS DEVELOPING IN CENTRAL NORTH DAKOTA. THE LINE BEGAN NEAR THE CANADIAN BORDER ABOUT 40 MILES NORTH OF DEVILS LAKE. IT EXTENDED SOUTH SOUTHWEST THROUGH THE CENTER OF THE STATE TO THE SOUTH DAKOTA BORDER SOUTH OF BISMARCK. THESE DEVELOPING THUNDERSTORMS ARE LOCATED JUST AHEAD OF A COLD FRONT. THE FRONT AND ASSOCIATED LINE OF THUNDERSTORMS WILL BE MOVING TO THE EAST ABOUT 20 MPH. LM
Special weather statement, Aug 25, 4:25 PM CDT, 4 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, 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 9:49 PM CDT | Severe Thunderstorm Warning | BIS | Kidder, Logan | 41 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.