Alert archive / North Dakota / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 15, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 28, 1989, 7:50 PM CDT for Emmons County, North Dakota. It was in force for 25 min.
The area
The counties it named.
The facts
- Issued
- Jun 28, 1989, 7:50 PM CDT (00:50 UTC)
- Expired
- Jun 28, 1989, 8:15 PM CDT
- In force
- 25 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County Emmons 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, 0.8 hours before the alert went out and 64 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
- 1599 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 2580 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 142 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.4
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 28, 3:56 PM CDT, 3 hours 54 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 355 PM CDT WED JUN 28 1989 AT 355 PM CDT THUNDERSTORMS WERE DEVELOPING RAPIDLY IN WESTERN NORTH DAKOTA. THUNDERSTORMS WITH VERY HEAVY RAIN...GUSTY WINDS AND POSSIBLE HAIL WERE LOCATED IN GOLDEN VALLEY...BILLINGS AND DUNN COUNTIES OF WESTERN NORTH DAKOTA. WEATHER CONDITIONS ARE FAVORABLE FOR THE FORMATION OF SEVERE THUNDERSTORMS IN WESTERN AND CENTRAL NORTH DAKOTA THIS EVENING AND EARLY TONIGHT. PERSONS IN WESTERN AND CENTRAL NORTH DAKOTA SHOULD BE ALERT FOR THUNDERSTORM DEVELOPMENT AND TAKE COVER IF THREATENING WEATHER IS SIGHTED. ...TORNADO WATCH IN EFFECT UNTIL 11 PM FOR THE WESTERN HALF OF NORTH DAKOTA... VAN ESS
Special weather statement, Jun 28, 4:47 PM CDT, 3 hours 3 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 447 PM CDT WED JUN 28 1989 ...A TORNADO WATCH IN EFFECT FOR WESTERN NORTH DAKOTA UNTIL 11 PM CDT THIS EVENING... A TORNADO WATCH HAS BEEN ISSUED FOR WESTERN NORTH DAKOTA UNTIL 11 PM CDT THIS WEDNESDAY EVENING. AT 440 PM WEATHER RADARS SHOWED A BAND OF VERY STRONG THUNDERSTORMS IN WESTERN NORTH DAKTA EXTENDING FROM THE BADLANDS TO THE EASTERN END OF LAKE SAKAKAWEA. AT 442 PM CDT...GOLF BALL SIZE HAIL WAS REPORTED MEDORA...ABOUT 35 MILES WEST OF DICKINSON. WEATHER RADARS SHOWED ALL OF THESE STRONG THUNDERSTORMS MOVING NORTH NORTHEAST 30 TO 40 MPH. LM
Special weather statement, Jun 28, 6:01 PM CDT, 1 hour 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 600 PM CDT WED JUN 28 1989 ...A TORNADO WATCH IS IN EFFECT FOR WESTERN NORTH DAKOTA UNTIL 11 PM CDT THIS EVENING... A TORNADO WATCH HAS BEEN ISSUED FOR WESTERN NORTH DAKOTA UNTIL 11 PM CDT THIS WEDNESDAY EVENING. AT 545 PM WEATHER RADARS SHOWED AN AREA OF THUNDERSTORMS WITH HEAVY RAIN AND HAIL IN WESTERN NORTH DAKOTA. THE THUNDERSTORMS WERE BETWEEN DICKINSON...MINOT...WILLISTON...AND BISMARCK. THE DEPUTY SHERIFF IN PICK CITY REPORTED ZERO VISIBILITY IN HEAVY RAIN AT 545 PM...EGG SIZED HAIL WAS REPORTED NORTH OF KILDEER AT 540 PM CDT. WEATHER RADARS SHOWED ALL OF THESE STRONG THUNDERSTORMS MOVING NORTH NORTHEAiST 30 TO 40 MPH. TSW
Special weather statement, Jun 28, 7:00 PM CDT, 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLISTON ND 657 PM CDT WED JUN 1989 ...A TORNADO WATCH IN EFFECT UNTIL 11 PM CDT... ...STRONG THUNDERSTORMS CONTINUING OVER WESTERN NORTH DAKOTA... AT 650 PM CDT NATIONAL WEATHER SERVICE RADAR IN WILLISTON INDICATED VERY STRONG THUNDERSTORMS IN WESTERN NORTH DAKOTA. STRONG THUNDERSTORMS WERE DEVELOPING 20 MILES EAST OF WILLISTON IN SOUTHEASTERN WILLIAMS COUNTY. ANOTHER AREA OF STRONG THUNDERSTORMS WERE DEVELOPING 35 MILES SOUTHEAST OF WILLISTON JUST SOUTH OF THE TOWN OF KEEN IN MCKENZIE COUNTY. STRONG THUNDERSTORMS WERE ALSO LOCATED IN EXTREM NORTHWESTERN BURKE COUNTY 10 MILES NORTH OF THE TOWN OF COLUMBUS OR 55 MILES NORTHEAST OF WILLISTON. THESE THUNDERSTORMS ARE MOVING TO THE NORTHEAST AT 35 TO 40 MILES AN HOUR. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY RAIN...DEADLY LIGHTNING...HAIL AND DAMAGING WINDS. IF THREATHENING WEATHER APPROACHES YOUR AREA...SEEK SHELTER IMMEDIATLY. RICHMOND
Special weather statement, Jun 28, 7:06 PM CDT, 44 minutes before
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</html>The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 7:05 PM CDT | Severe Thunderstorm Warning | BIS | Emmons | 40 min |
| Jun 28, 7:22 PM CDT | Severe Thunderstorm Warning | BIS | Burleigh, Morton | 53 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.