Alert archive / North Dakota / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 35, NWS Bismarck, ND
NWS Bismarck, ND issued this severe thunderstorm warning at Jun 29, 1990, 8:26 AM MDT for Morton County, North Dakota. It was in force for 39 min.
The area
The counties it named.
The facts
- Issued
- Jun 29, 1990, 8:26 AM MDT (14:26 UTC)
- Expired
- Jun 29, 1990, 9:05 AM MDT
- In force
- 39 min
- Issued by
- NWS Bismarck, ND
- Area
- Whole counties
County Morton 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 12:00Z, 2.4 hours before the alert went out and 45 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
- 771 J/kg
- Mixed-layer CIN
- -141 J/kg
- Mixed-layer LCL
- 1186 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBIS 291426
SVRBIS
NDC059-291530-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
926 AM CDT FRI JUN 29 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1030 AM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE CENTRAL PART OF NORTH DAKOTA
CENTRAL EAST MORTON
AT 925 AM CDT A SEVERE THUNDERSTORM WAS 35 MILES WEST OF BISMARCK
OVER WESTERN MORTON COUNTY MOVING EAST AT 40 MPH. THIS
THIS THUNDERSTORM WILL MOVE INTO THE CITY OF MANDAN BY 1020 AM CDT.
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.
MCMULLENWhat 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 29, 4:17 AM MDT, 4 hours 9 minutes before
NDZALL-291200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 515 AM CDT FRI JUN 29 1990 ...STRONG THUNDERSTORMS CONTINUE OVER SOUTHWEST AND CENTRAL NORTH DAKOTA... AT 515 AM CDT A LINE OF THUNDERSTORMS 25 MILES WIDE EXTENDED FROM 25 MILES NORTH OF BISMARCK...NEAR WILTON...TO 55 MILES NORTHWEST OF BISMARCK...NEAR HEBRON...TO NEAR DICKINSON. SOME OF THESE THUNDERSTORMS CONTAIN HEAVY RAINS...FREQUENT LIGHTNING STRIKES...SMALL HAIL AND GUSTY WINDS. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 30 MILES AN HOUR. PEA SIZE HAIL WAS REPORTED AT DICKINSON 505 AM CDT. THE HEAVY RAINS MAY CAUSE LOCAL FLOODING...ROADWAYS MAY FLOOD QUICKLY SO AVOID DRIVING INTO AREAS WHERE WATER COVhERS THE ROAD. BE PREPARED MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES. JOBE
Local storm report, Jun 29, 4:29 AM MDT, 3 hours 57 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BISMARCK ND
530 AM CDT FRI JUN 29 1990
DATE TIME ZONE EVENT...LOCATION...REMARKS
JUN 28 1123 PM MDT GOLF BALL SIZE HAIL 4 MILES NORTH OF HAZEN...
IN MERCER COUNTY.
JUN 29 205 AM MDT GOLF BALL SIZE HAIL 2 MILES EAST OF THE
DICKINSON AIRPORT...IN STARK COUNTY.
JUN 29 225 AM MDT TWO AND ONE HALF INCH HAIL 4 MILES SOUTHEAST
| OF THE DICKINSON AIRPORT...IN STARK COUNTY.
JOBESpecial weather statement, Jun 29, 5:46 AM MDT, 2 hours 40 minutes before
NDZ002-003-291230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLISTON ND 630 AM CDT FRI JUN 29 1990 ...VERY STRONG THUNDERSTORM MOVING INTO SOUTHWESTERN NORTHDAKOTA... AT 630 AM CDT NATIONAL WEATHER SERVICE RADAR IN WILLISTON INDICATED A VERY STRONG THUNDERSTORM 75 MILES WEST OF DICKINSON NORTH DAKOTA. THIS STORM NOW IN MONTANA WILL MOVE INTO SOUTHERN GOLDEN VALLEY COUNTY BY 6 AM MDT. THIS STORM LIKELY CONTAINS SMALL HAIL...BRIEF HEAVY RAIN AND GUSTY WINDS AND DEADLY LIGHTNING. THIS STORM WAS LOCATED AT THE SOUTH END OF AN AREA OF SHOWERS THAT BEGAN 35 MILES SOUTH WEST OF WILLISTON NORTH DAKOTA. MOVEMENT IS TO THE EAST AT 35 MILES AN HOUR. TS
Special weather statement, Jun 29, 6:36 AM MDT, 1 hour 50 minutes before
NDZ002-003-291330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLISTON ND 730 AM CDT FRI JUN 29 1990 ...INTENSE THUNDERSTORM MOVING THROUGH SOUTHWESTERN NORTH DAKOTA... AT 730 AM CDT NATIONAL WEATHER SERVICE RADAR IN WILLISTON INDICATED AN INTENSE THUNDERSTORM 40 MILES WEST SOUTHWEST OF DICKINSON NORTH DAKOTA...IN EXTREME SOUTHERN BILLINGS COUNTY. THIS STORM HAS INCREASED IN STRENGTH DURING THE PAST HOUR. THIS STORM LIKELY CONTAINS ,HAIL...BRIEF HEAVY RAIN..GUSTY WINDS AND DEADLY LIGHTNING. MOVEMENT IS TO THE EAST AT 35 MILES AN HOUR. TS
Special weather statement, Jun 29, 6:51 AM MDT, 1 hour 35 minutes before
NDZ003-004-006-007-008-291400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 645 AM MDT FRI JUN 29 1990 ...STRONG THUNDERSTORMS DEVELOPING AGAIN IN SOUTHWESTERN NORTH DAKOTA... AT 645 AM MDT A LARGE THUNDERSTORM WAS LOCATED 30 MILES SOUTHWEST OF DICKINSON...IN SOUTHERN BILLINGS COUNTY. THIS THUNDERSTORM CONTAINS HEAVY RAIN AND FREQUENT LIGHTNING STRIKES...AND MAY ALSO PRODUCE HAIL AND GUSTY WINDS. THE THUNDERSTORM WAS MOVING EAST AT 35 MILES AN HOUR AND WILL BE IN SOUTHWESTERN STARK COUNTY BY 7 AM MDT. OTHER SCATTERED THUNDERSTORMS WITH HEAVY RAINS WERE LOCATED JUST SOUTHEST OF THE DICKINSON AIRPORT...AND 40 TO 65 MILES SOUTHWEST OF BISMARCK...OR ALONG AND JUST NORTHN OF CEDAR CREEK. REMEMBER...HEAVY RAINS MAY FLOOD ROADWAYS QUICKLY...DO NOT ATTEMPT TO CROSS FLOWING WATER. BE PREPARED TO MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES. JOBE
Special weather statement, Jun 29, 7:33 AM MDT, 53 minutes before
NDZ004-007-008-291500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 735 AM MDT FRI JUN 29 1990 THUNDERSTORMS WITH HEAVY RAIN WERE MOVING OVER SOUTHWESTERN AND SOUTHCENTRAL NORTH DAKOTA THIS MORNING. AT 730 AM MDT A LINE OF THUNDERSTORMS WAS FROM 40 MILES SOUTH OF BISMARCK TO 35 MILES SOUTH OF DICKINSON. MOVEMENT WAS EAST AT 40 MPH. THESE THUNDERSTORMS ARE PRODUCING VERY HEAVY RAIN AND COULD CAUSE BRIEF URBAN AND SMALL STREAM FLOODING. IF ROADWAYS ARE FLOODED DO NOT ATTEMPT TO CROSS THEM ON FOOT OR IN A CAR. MCMULLEN
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 7:06 PM MDT | Severe Thunderstorm Warning | BIS | McKenzie, Williams | 69 min |
| Jun 28, 7:46 PM MDT | Tornado Warning | BIS | McKenzie | 29 min |
| Jun 28, 8:22 PM MDT | Severe Thunderstorm Warning | BIS | McKenzie | 48 min |
| Jun 28, 9:46 PM MDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie | 29 min |
| Jun 28, 10:02 PM MDT | Severe Thunderstorm Warning | BIS | Dunn, McKenzie | 58 min |
| Jun 28, 10:25 PM MDT | Severe Thunderstorm Warning | BIS | Mercer | 35 min |
| Jun 28, 11:26 PM MDT | Severe Thunderstorm Warning | BIS | McLean, Mercer, Oliver | 64 min |
| Jun 29, 2:09 AM MDT | Severe Thunderstorm Warning | BIS | Stark | 51 min |
| Jun 29, 2:37 AM MDT | Severe Thunderstorm Warning | BIS | Morton | 68 min |
| Jun 29, 3:17 AM MDT | Severe Thunderstorm Warning | BIS | Oliver | 43 min |
| Jun 29, 7:35 AM MDT | Severe Thunderstorm Warning | BIS | Hettinger, Stark | 20 min |
| Jun 29, 8:10 AM MDT | Severe Thunderstorm Warning | BIS | Grant, Morton | 35 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.