Alert archive / North Dakota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 2, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 18, 1990, 7:38 PM CDT for McLean County, Ward County, North Dakota. It was in force for 52 min.
The area
The counties it named.
The facts
- Issued
- Jun 18, 1990, 7:38 PM CDT (00:38 UTC)
- Expired
- Jun 18, 1990, 8:30 PM CDT
- In force
- 52 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
Counties McLean County, ND, Ward 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, 0.6 hours before the alert went out and 139 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 190038
SVRBIS
NDC055-101-190130-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
738 PM CDT MON JUN 18 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 830 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE CENTRAL PART OF NORTH DAKOTA
NORTHERN MCLEAN...
IN THE NORTH CENTRAL PART OF NORTH DAKOTA
SOUTHEAST WARD...
AT 735 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 7 MILES
WEST OF MAX...OR 40 MILES SOUTH OF MINOT. THIS SEVERE THUNDERSTORM
WAS MOVING EAST ABOUT 20 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.
MANTHEWhat 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, 4:36 PM CDT, 3 hours 2 minutes before
NDZ002>3-182230 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLISTON ND 420 PM CDT MON JUN 18 1990 ...THUNDERSTORMS DEVELOPING IN WEST CENTRAL NORTH DAKOTA... AT 415 PM CDT NATIONAL WEATHER SERVICE RADAR IN WILLISTON WAS INDICATING TWO VERY STRONG THUNDERSTORMS IN MCKENZIE COUNTY. THE FIRST WAS LOCATED 35 MILES SOUTH OF WILLISTON NORTH DAKOTA...THE OTHER WAS 40 MILES SOUTHWEST OF WILLISTON...OR TWELVE MILES SOUTH OF WATFORD CITY NORTH DAKOTA. THESE STORMS ARE CAPABLE OF BRIEF HEAVY RAIN..SMALL HAIL...GUSTY WINDS AND DEADLY LIGHTNING. MOVEMENT WAS TO THE NORTHEAST AT 35 MPH. TS
Special weather statement, Jun 18, 5:43 PM CDT, 1 hour 55 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, 5:45 PM CDT, 1 hour 53 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, 7:12 PM CDT, 26 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
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 7:02 PM CDT | Tornado Warning | BIS | McKenzie | 28 min |
| Jun 18, 8:05 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Mercer | 55 min |
| Jun 18, 8:46 PM CDT | Severe Thunderstorm Warning | BIS | Bowman, Slope | 44 min |
| Jun 18, 8:52 PM CDT | Severe Thunderstorm Warning | BIS | Stark | 53 min |
| Jun 18, 9:06 PM CDT | Severe Thunderstorm Warning | BIS | McLean, Mercer, Oliver | 54 min |
| Jun 18, 9:29 PM CDT | Severe Thunderstorm Warning | BIS | Adams, Bowman | 61 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.