Alert archive / North Dakota / Tornado Warnings in 1986
Tornado Warning 5, NWS Bismarck, ND
NWS Bismarck, ND issued this tornado warning at Jun 30, 1986, 9:03 PM MDT for Morton County, North Dakota. It was in force for 27 min.
The area
The counties it named.
The facts
- Issued
- Jun 30, 1986, 9:03 PM MDT (03:03 UTC)
- Expired
- Jun 30, 1986, 9:30 PM MDT
- In force
- 27 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 00:00Z, 3.1 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
- 20 J/kg
- Mixed-layer CIN
- -147 J/kg
- Mixed-layer LCL
- 893 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- -13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBIS 010303 TORBIS NDC059-010330- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BISMARCK ND 903 PM MDT MON JUN 30 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 930 PM MDT FOR PEOPLE IN THE FOLLOWING COUNTY OF CENTRAL NORTH DAKOTA...WEST CENTRAL MORTON THIS WARNING INCLUDES THE TOWNS OF GLEN ULLIN AND ALMONT. . . . AT 900 PM MDT WEATHER RADAR INDICATED A TORNADO BETWEEN GLEN ULLIN AND ALMONT IN CENTRAL MORTON COUNTY MOVING SOUTHEAST AT 25 MPH. IF A TORNADO IS APPROACHING GET INTO A BASEMENT...IF NO BASEMENT IS AVAILABLE...GET INTO THE INNERMOST HALLWAY...STAY AWAY FROM WINDOWS. IF CAUGHT OUTSIDE GET INTO A DITCH...GULLY...RAVINE...OR EVEN A LOW LYING SPOT ON THE GROUND. PROTECT YOUR HEAD. ABANDON CARS AND MOBILE HOMES. RSL/0302Z
What forecasters said that day
The local office's own words before this tornado 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 30, 4:56 PM MDT, 4 hours 7 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 600 PM CDT MON JUN 30 1986 ...THUNDERSTORMS MOVING INTO NORTH CENTRAL NORTH DAKOTA... AT 550 PM CDT RADAR INDICATED AN AREA OF THUNDERSTORMS..SOME WITH VERY HEAVY RAIN..OVER MOUNTRAIL COUNTY..HALFWAY BETWEEN WILLISTON AND MINOT. THESE THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MPH. THE THUNDERSTORMS WILL CROSS INTO WARD AND RENVILLE COUNTIES BY 615 PM CDT AND BE IN THE VICINTIY OF MINOT BETWEEN 630 AND 700 PM CDT. SOME OF THESE THUNDERSTORMS ARE CAPABABLE OF PRODUCING VERY HEAVY RAIN..GUSTY WINDS OF 25 TO 40 MPH..SMALL HAIL AND DANGEROUS LIGHTNING. BE PREPARED TO TAKE SHELTER IF THREATENING WEATHER APPROACHES. LEBLANG
Special weather statement, Jun 30, 5:20 PM MDT, 3 hours 43 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLISTON ND 615 PM CDT MON JUN 30 1986 ...THUNDERSTORMS CONTINUE ACROSS NORTHWEST NORTH DAKOTA... AT 605 PM CDT WILLISTON RADAR LOCATED AN AREA OF STRONG THUNDERSTORMS SOME WITH VERY HEAVY RAINFALLS AND SMALL HAIL IN NORTHEAST WILLIAMS.. AND ACROSS CENTRAL MOUNTRAIL COUNTIES OF NORTH DAKOTA. A PARTICULARLY INTENSE STORM WAS LOCATED 45 MILES EAST OF WILLISTON OR 15 MILES WEST OF PARSHALL NORTH DAKOTA. THESE STORMS WERE MOVING EAST AT 30 MPH. NUMEROUS REPORTS OF SMALL HAIL ASSOCIATED WITH THESE STORMS HAVE BEEN RECEIVED..AND A HALF INCH OF RAIN FELL IN 20 MINUTES AT A LOCAL RADIO STATION IN WILLISTON. REMEMBER THESE STORMS WILL PRODUCE SMALL HAIL..OCCASIONAL STRONG WINDS HEAVY RAINFALL AND FREQUENT LIGHTNING. PLEASE TAKE SAFE SHELTER WHEN THESE STORMS APPROACH YOUR AREA. VAN COR
Special weather statement, Jun 30, 5:56 PM MDT, 3 hours 7 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 655 PM CDT MON JUN 30 1986 ...THUNDERSTORMS WITH VERY HEAVY RAIN MOVING THROUGH NORTHWEST AND NORTH CENTRAL NORTH DAKOTA... AT AT 645 PM CDT RADAR INDICATED A 20 MILE WIDE BAND OF THUNDERSTORMS EXTENDING FROM 10 MILES SOUTHWEST OF MINOT..SOUTHWEST TO 40 MILES NORTH OF DICKINSON. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MPH. EARLIER THIS AFTERNOON SOME OF THESE THUNDERSTORMS PRODUCED RAINFALLS OF 1 1/2 INCHES IN JUST 45 MINUTES 8 MILES NORTH OF HALLIDAY AND 4 MILES NORTH OF DUNN CENTER IN DUNN COUNTY. THIS AREA OF THUNDERSTORMS WILL MOVE THROUGH THE MINOT AREA BETWEEN 700 AND 830 PM CDT. VERY HEAVY RAIN..WITH SOME URBAN AND SMALL STREAM FLOODING..DANGEROUS LIGHTNING..GUSTY WINDS..AND SMALL HAIL ARE POSSIBLE WITH THE PASSAGE OF THESE STORMS. IF THREATENING WEATHER APPROACHES BE PREPARED TO MOVE TO A PLACE OF SAFETY. LEBLANG
Special weather statement, Jun 30, 6:55 PM MDT, 2 hours 8 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 755 PM CDT MON JUN 30 1986 ...THUNDERSTORMS MOVING THROUGH WEST AND NORTH CENTRAL NORTH DAKOTA... AT AT 745 PM CDT RADAR INDICATED A 20 MILE WIDE BAND OF THUNDERSTORMS EXTENDING FROM MINOT..SOUTHWEST ACROSS CENTRAL LAKE SAKAKAWEA NEAR TWIN BUTTES..TO JUST NORTH OF DICKINSON. THE THUNDERSTORMS WERE MOVING EAST NORTHEAST AT 30 MPH. THE STRONGEST THUNDERSTORMS WILL MOVE ALONG LAKE SAKAKAWEA AND ACROSS MERCER COUNTY REACHING THE BEULAH AREA BETWEEN 815 AND 845 PM CDT. VERY HEAVY RAIN WITH SOME URBAN AND SMALL STREAM FLOODING..DANGEROUS LIGHTNING..SMALL HAIL..AND GUSTY WINDS MAY ACCOMPANY SOME OF THESE STORMS. BOATERS ON THE EASTERN THIRD OF LAKE SAKAKAWEA SHOULD SEEK THE SAFETY OF SHORE IF THREATENING WEATHER APPROACHES. LEBLANG
Special weather statement, Jun 30, 7:43 PM MDT, 1 hour 20 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BISMARCK ND 840 PM CDT MON JUN 30 1986 ...THUNDERSTORMS MOVING THROUGH CENTRAL NORTH DAKOTA... AT 835 PM CDT RADAR INDICATED A 25 MILE WIDE BAND OF THUNDERSTORMS EXTENDING FROM 20 MILES SOUTH OF BOTTINEAU..SOUTHWEST TO MINOT..ACROSS EASTERN LAKE SAKAKAWEA..TO 20 MILES NORTHEAST OF DICKINSON. THE THUNDERSTORMS WERE MOVING EAST AT 35 MPH. THE STRONGEST THUNDERSTORMS WILL MOVE ACROSS THE NORTHERN HALF OF MCLEAN COUNTY..ALONG THE EASTERN THIRD OF LAKE SAKAKAWEA..AND ACROSS MERCER AND OLIVER COUNTIES BETWEEN 845 PM AND 930 PM CDT. SOME TOWNS IN THE PATH OF THESE THUNDERSTORMS ARE GARRISON..BEULAH..HAZEN..AND RIVERDALE. VERY HEAVY RAIN WITH SOME STREET AND SMALL STREAM FLOODING..DANGEROUS LIGHTNING..GUSTY WINDS..AND SMALL HAIL MAY ACCOMPANY SOME OF THESE STORMS. BOATERS ON THE EASTERN THIRD OF LAKE SAKAKAWEA AND OTHERS IN THE PATH OF THESE THUNDERSTORMS SHOULD SEEK SHELTER IF THRE ATENING WEATHER APPROACHES. LEBLANG
Special weather statement, Jun 30, 8:12 PM MDT, 51 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WILLISTON ND 910 PM CDT MON JUN 30 1986 ...THUNDERSTORMS REDEVELOP IN NORTHWEST NORTH DAKOTA... AT 905 PM CDT WILLISTON RADAR LOCATED AN AREA OF STRONG THUNDERSTORMS SOME WITH VERY HEAVY RAINFALLS AND SMALL HAIL IN WILLIAMS COUNTY OF NORTHWEST NORTH DAKOTA. PEA SIZE HAIL WAS REPORTED 15 MILES NORTHEAST OF WILLISTON. AT 845 PM CDT A 49 MPH THUNDERSTORM WIND BLEW ACROSS THE AIRPORT AT WILLISTON.4 THESE STORMS WERE MOVING SOUTHEAST AT 35 MPH. REMEMBER THESE STORMS WILL PRODUCE SMALL HAIL..OCCASIONAL STRONG WINDS HEAVY RAINFALL AND FREQUENT LIGHTNING. PLEASE TAKE SAFE SHELTER WHEN THESE STORMS APPROACH YOUR AREA. VAN COR
The office that day
Everything else NWS Bismarck, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 8:30 PM MDT | Tornado Warning | BIS | Morton | 30 min |
Nearby
Tornado Warnings in North Dakota, 1986Every tornado warning in 1986Tornadoes in 1986
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.