Alert archive / North Dakota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 7, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 18, 1990, 8:29 PM MDT for Adams County, Bowman County, North Dakota. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Jun 18, 1990, 8:29 PM MDT (02:29 UTC)
- Expired
- Jun 18, 1990, 9:30 PM MDT
- In force
- 61 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
Counties Adams County, ND, Bowman 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, 2.5 hours before the alert went out and 193 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
- 395 J/kg
- Mixed-layer CIN
- -134 J/kg
- Mixed-layer LCL
- 2340 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 257 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBIS 190229
SVRBIS
NDC001-011-190330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
829 PM MDT MON JUN 18 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 930 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE SOUTHWEST PART OF NORTH DAKOTA
WESTERN ADAMS...EASTERN BOWMAN
AT 825 PM MDT RADAR INDICATED A SEVERE THUNDERSTORM 60 MILES
SOUTHWEST OF DICKINSON IN SOUTH CENTRAL BOWMAN COUNTY. THIS
LARGE THUNDERSTORM WAS MOVING EAST AT 20 MILES AN HOUR AND WILL BE
IN SOUTHWESTERN ADAMS COUNTY BY 930 PM MDT.
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.
THIS SLOW MOVING THUNDERSTORM MAY CAUSE FLOODING OF SMALL STREAMS
AND UNDERPASSES.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 18, 4:43 PM MDT, 3 hours 46 minutes before
NDZ002>3-182330 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLISTON ND 53025 PM CDT MON JUN 18 1990 ...THUNDERSTORMS STRENGTHENING IN WEST CENTRAL NORTH DAKOTA... AT 525 PM CDT NATIONAL WEATHER SERVICE RADAR IN WILLISTON WAS INDICATING A INTENSE THUNDERSTORM IN MCKENZIE COUNTY...47 MILES SOUTH SOUTHWEST OF WILLISTON NORTH DAKOTA...OR 35 MILES SOUTHWEST OF WATFORDCITY NORTH DAKOTA. THIS STORM IS CAPABLE OF BRIEF HEAVY RAIN...HAIL...STRONG GUSTY WINDS AND DEADLY LIGHTNING. ANOTHER VERY STRONG THUNDERSTORM WAS LOCATED 50 MILES SOUTHEAST OF WILLISTON NORTH DAKOTA...OR 16 MILES SOUTH OF KEENE NORTH DAKOTA. THUNDERSTORMS CONTINUE TO DEVELOPE IN EASTERN MONTANA AND STRENGTHEN AS TOHEY MOVE INTO NORTH DAKOTA. IF YOU LIVE IN WEST CENTRAL NORTH DAKOTA BE PREPARED TO MOVE TO SAFETY IF THREATENING WEATHER APROACHES. . MOVEMENT IS TO THE EAST AT 35 MILES MPH. TS
Special weather statement, Jun 18, 4:45 PM MDT, 3 hours 44 minutes before
NDZ002>3-182330 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLISTON ND 530 PM CDT MON JUN 18 1990 ...THUNDERSTORMS STRENGTHENING IN WEST CENTRAL NORTH DAKOTA... AT 525 PM CDT NATIONAL WEATHER SERVICE RADAR IN WILLISTON WAS INDICATING A INTENSE THUNDERSTORM IN MCKENZIE COUNTY...47 MILES SOUTH SOUTHWEST OF WILLISTON NORTH DAKOTA...OR 35 MILES SOUTHWEST OF WATFORDCITY NORTH DAKOTA. THIS STORM IS CAPABLE OF BRIEF HEAVY RAIN...HAIL...STRONG GUSTY WINDS AND DEADLY LIGHTNING. ANOTHER VERY STRONG THUNDERSTORM WAS LOCATED 50 MILES SOUTHEAST OF WILLISTON NORTH DAKOTA...OR 16 MILES SOUTH OF KEENE NORTH DAKOTA. THUNDERSTORMS CONTINUE TO DEVELOPE IN EASTERN MONTANA AND STRENGTHEN ASR THEY MOVE INTO NORTH DAKOTA. IF YOU LIVE IN WEST CENTRAL NORTH DAKOTA BE PREPARED TO MOVE TO SAFETY IF THREATENING WEATHER APROACHES. . MOVEMENT IS TO THE EAST AT 35 MILES MPH. TS
Special weather statement, Jun 18, 6:12 PM MDT, 2 hours 17 minutes before
NDZ002>005-190230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 710 PM CDT MON JUN 18 1990 ...STRONG THUNDERSTORMS CONTINUE TO DEVELOP IN NORTHWESTERN NORTH DAKOTA... AT 705 PM CDT...A STRONG THUNDERSTORM WAS LOCATED 15 MILES SOUTHWEST OF MINOT. IN ADDITION TO BRIEF HEAVY RAIN AND FREQUENT LIGHTNING STRIKES THIS THUNDERSTORM MAY ALSO PRODUCE HAIL AND STRONG GUSTY WINDS. THE THUNDERSTORM WAS MOVING NORTHEAST AT 30 MILES AN HOUR AND WILL BE NEAR MINOT BY 730 PM CDT. REMEMBER LIGHTNING CAN BE DEADLY. IF THREATENING WEATHER APPROACHES... SEEK A SAFE SHELTER. JOBE
Special weather statement, Jun 18, 6:40 PM MDT, 1 hour 49 minutes before
NDZ003>004-190230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 640 PM MDT MON JUN 18 1990 ...STRONG THUNDERSTORMS ALSO DEVELOPING IN SOUTHWESTERN NORTH DAKOTA... AT 640 PM MDT...A LINE OF STRONG THUNDERSTORM WAS MOVING INTO THE SOUTHWEST CORNER OF NORTH DAKOTA...ABOUT 50 MILES SOUTHWEST OF DICKINSON. THIS LINE OF THUNDERSTORMS...ABOUT 15 MILES WIDE...CONTAINS HEAVY RAINS ...FREQUENT LIGHTNING STRIKES...AND MAY ALSO PRODUCE HAIL AND GUSTY WINDS. THEESE THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR AND WILL MOVE THROUGH BOWMAN AND AMIDON BY 715 PM MDT. REMEMBER LIGHTNING CAN BE DEADLY. IF THREATENING WEATHER APPROACHES... SEEK A SAFE SHELTER. JOBE
Special weather statement, Jun 18, 7:32 PM MDT, 57 minutes before
NDZ001>003-182330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLISTON ND 833 PM CDT MON JUN 18 1990 ...STRONG THUNDERSTORMS CONTINUE WESTERN NORTH DAKOTA... ...A SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 1 AM CDT FOR PORTIONS OF WESTERN NORTH DAKOTA... AT 830 PM CDT...RADAR INDICATED A STRONG THUNDERSTORM 30 MILES SOUTHEAST OF WILISTON IN CENTRAL MCKENIZE COUNTY. THE THUNDERSTORM IS MOVING TO THE EAST AT 30 MPH. WILLISTON RADAR ALSO INDICATED ANOTHER STRONG THUNDERSTORM 15 MILES NORTHWEST OF DICKINSON IN EXTREME SOUTHERN DUNN COUNTY. THIS STORM WAS ALSO MOVING TO THE EAST AT 30 MPH. THESE STORMS ARE CAPABLE OF PRODUCING HEAVY RAINS...STRONG WINDS AND PEA SIZE HAIL. . I<F THESE STORMS APROACH YOUR AREA...SEEK SHELTER IMMEDIATELY. RICHMOND
Local storm report, Jun 18, 7:54 PM MDT, 35 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE WILLISTON ND
855 PM CDT MON JUN 18 1990
TIME EVENT
740 PM CDT MARBLE SIZE HAIL AT GRASSY BUTTE IN
SOUTHEASTERN MCKENIZE COUNTY. HAIL 11/2
DEEP ON THE GROUND.
755 PM CDT TORNADO REPORTED BY MCKENIZE COUNTY SHERIFF
OFFICE 5 MILES EAST OF KEEN IN NORTHEAST
MCKENIZE[ COUNTY. NO DAMAGE REPORTED.
755 PM CDT LARGE MARBLE SIZE HAIL 15 MILES SOUTHEAST OF
ARNEGARD IN NORTH CENTRAL MCKENZIE COUNTY.
RICHMONDThe office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 6:02 PM MDT | Tornado Warning | BIS | McKenzie | 28 min |
| Jun 18, 6:38 PM MDT | Severe Thunderstorm Warning | BIS | McLean, Ward | 52 min |
| Jun 18, 7:05 PM MDT | Severe Thunderstorm Warning | BIS | McLean, Mercer | 55 min |
| Jun 18, 7:46 PM MDT | Severe Thunderstorm Warning | BIS | Bowman, Slope | 44 min |
| Jun 18, 7:52 PM MDT | Severe Thunderstorm Warning | BIS | Stark | 53 min |
| Jun 18, 8:06 PM MDT | Severe Thunderstorm Warning | BIS | McLean, Mercer, Oliver | 54 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 1990Every severe thunderstorm warning in 1990
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.